UC REGENTS
PAC 7416869516 Provider groupWho's billing in this group, plus the paid volume analytics · CY2024
Clinician makeup · CY2024Billed 217 of the group's 325 codes this year, across 4 states (CY2024).
The full analytics for this group
PremiumThe billed-volume rank, trajectory, and economics behind this group — computed on the same disclosed Medicare Part B data.
- Per-code payment breakdown & avg $/service — dollars behind the volume
- Beneficiary-episode volume — reach, not just service counts
- Office vs. facility setting mix — place-of-service code split
- National billed-volume rank — percentile, cohort & year disclosed
- Size-peer billed-volume benchmark — vs. groups of similar size
- Top-3 clinician share — how volume distributes
- 5-year volume trend — direction across the window
- Business mix — largest codes by payment
Rank and benchmark figures are billed-volume positions among peers, not measures of care. All figures attributed (single-group clinicians) and disclosed Medicare Part B fee-for-service.
Notify me at launch → Or see a live example group page →Provider volumes, all codes · CY2024
| NPI | Provider | Credentials | Type | City | St | Services (all codes) locked column |
|---|---|---|---|---|---|---|
| 1578521266 | Pandit, Lalita | M.D. | Hematology-Oncology | Fountain Valley | CA | premium |
| 1770583197 | Karimi, Misagh | MD | Hematology-Oncology | Newport Beach | CA | premium |
| 1396190567 | Betlachin, Anna | MD | Endocrinology | Irvine | CA | premium |
| 1295966489 | Tran, Thu | NP | Nurse Practitioner | Irvine | CA | premium |
| 1265426183 | Schenk, Alan | M.D. | Rheumatology | Laguna Woods | CA | premium |
| 1881649853 | Idriss, Almoatazbellah | MD | Internal Medicine | Tustin | CA | premium |
| 1104886241 | Le, Hoang | M.D. | Pulmonary Disease | Fountain Valley | CA | premium |
| 1881666774 | Purnell, Miki | M.D. | Family Practice | Irvine | CA | premium |
| 1821297797 | Kim, Jin | MD | Cardiology | Orange | CA | premium |
| 1609168517 | Rochon-Duck, Michael | M.D. | Clinical Cardiac Electrophysiology | Orange | CA | premium |
| 1215255831 | Hecht, Kim | D.O | Physical Medicine and Rehabilitation | Newport Beach | CA | premium |
| 1811315674 | Ghashghaei, Roxana | M.D. | Internal Medicine | Laguna Hills | CA | premium |
| 1003109513 | Cheng, Michael | DO | Internal Medicine | Orange | CA | premium |
| 1619196755 | Donaldson, David | M.D. | Cardiology | Orange | CA | premium |
| 1801258587 | Sabet, Amin | M.D | Cardiology | Fresno | CA | premium |
| 1013250463 | Lee, Andy | MD | Cardiology | Orange | CA | premium |
| 1205944485 | Lombardo, Dawn | DO | Cardiology | Orange | CA | premium |
| 1720346240 | Mody, Behram | MD | Cardiology | Orange | CA | premium |
| 1659802536 | Xu, Jennifer | M.D. | Cardiology | Orange | CA | premium |
| 1356305254 | Gradus-Pizlo, Irmina | M.D. | Internal Medicine | Orange | CA | premium |
| 1750646501 | Lin, Felice | MD | Cardiology | Fresno | CA | premium |
| 1205974755 | Rezazadeh Kalebasty, Arash | M.D. | Hematology-Oncology | Orange | CA | premium |
| 1629497797 | Golshani, Gol | M.D | Hematology-Oncology | Laguna Hills | CA | premium |
| 1922240191 | Mar, Nataliya | MD | Hematology-Oncology | Orange | CA | premium |
| 1275536773 | Mahdavi, Khosrow | MD | Internal Medicine | Costa Mesa | CA | premium |
| 1336233600 | Torabzadeh, Simin | MD | Geriatric Medicine | Orange | CA | premium |
| 1518150283 | Hanna, Ramy | M.D. | Nephrology | Orange | CA | premium |
| 1366896771 | Upparapalli, Deepti | M.D. | Advanced Heart Failure and Transplant Cardiology | Orange | CA | premium |
| 1750780367 | Mojazi Amiri, Hoda | MD | Endocrinology | Yorba Linda | CA | premium |
| 1821524315 | Salek, Azadeh | M.D. | Cardiology | Redondo Beach | CA | premium |
| 1487734521 | Lee, John | MD | Gastroenterology | Orange | CA | premium |
| 1982836466 | Barseghian El-Farra, Ailin | M.D. | Internal Medicine | Orange | CA | premium |
| 1427184175 | Patel, Pranav | MD | Cardiology | Orange | CA | premium |
| 1003558420 | Halais Frangieh, Antonio | MD, MPH | Cardiology | Orange | CA | premium |
| 1033290887 | Swaroop, Satinder | MD | Internal Medicine | Fountain Valley | CA | premium |
| 1710253638 | Khagi, Yulian | M.D. | Hematology-Oncology | Laguna Hills | CA | premium |
| 1639435738 | Sy, John | M.D. | Nephrology | Long Beach | CA | premium |
| 1922208495 | Malik, Shaista | MD | Internal Medicine | Orange | CA | premium |
| 1023198272 | Reikes, Andrew | MD | Internal Medicine | Orange | CA | premium |
| 1669552832 | Nguyen, Lan | MD | Internal Medicine | Orange | CA | premium |
| 1295078764 | Cheng, Timmy | M.D. | Pulmonary Disease | Orange | CA | premium |
| 1154401313 | Nadeswaran, Bavani | MD | Internal Medicine | Orange | CA | premium |
| 1376770255 | Valerin, Jennifer | M.D. | Hematology-Oncology | Orange | CA | premium |
| 1649784208 | Hainley, Anne | NP | Nurse Practitioner | Orange | CA | premium |
| 1447497219 | Malik, Fatima | M.D | Nephrology | West Hollywood | CA | premium |
| 1609290774 | Howell, Stacey | Clinical Cardiac Electrophysiology | Orange | CA | premium | |
| 1366594855 | Lee, Fa-Chyi | M.D. | Hematology-Oncology | Orange | CA | premium |
| 1306926530 | Sosa-Johnson, Martha | MD | Internal Medicine | Orange | CA | premium |
| 1649663378 | Reilly, April | DPT | Physical Therapist in Private Practice | Vista | CA | premium |
| 1548340607 | Hu, Ke-Qin | MD | Gastroenterology | Orange | CA | premium |
| 1851735211 | Ahdoot, Rebecca | M.D. | Nephrology | Orange | CA | premium |
| 1306005046 | Lee, Richard | MD | Internal Medicine | Orange | CA | premium |
| 1891744470 | Waddington, Thomas | M.D. | Pulmonary Disease | Orange | CA | premium |
| 1295864866 | Chow, Emilie | MD | Internal Medicine | Orange | CA | premium |
| 1275948481 | Keating, Matthew | M.D. | Hematology-Oncology | Yorba Linda | CA | premium |
| 1447491147 | Chaker, Tamara | N.P./C.N.S. | Nurse Practitioner | Orange | CA | premium |
| 1417482522 | Thakkar, Aditi | MBBS | Endocrinology | Orange | CA | premium |
| 1528231081 | Paz Y Mar, Hugo | M.D. | Sleep Medicine | Orange | CA | premium |
| 1194187781 | Camarillo, Elsa | D.O. | Pulmonary Disease | Orange | CA | premium |
| 1578958674 | Rofael, Martin | Internal Medicine | Orange | CA | premium | |
| 1639259872 | Ou, Sai-Hong I | MD | Internal Medicine | Orange | CA | premium |
| 1043268949 | Rahimi, Maryam | MD | Internal Medicine | Orange | CA | premium |
| 1932133667 | Saad, Carlos | MD | Gastroenterology | Santa Ana | CA | premium |
| 1508813098 | Nanci, Andreea | MD | Internal Medicine | Costa Mesa | CA | premium |
| 1558572032 | Lau, Wei Ling | M.D. | Nephrology | Irvine | CA | premium |
| 1699862102 | Rosenblit, Paul | M.D. | Internal Medicine | Huntington Beach | CA | premium |
| 1578883781 | Brem, Elizabeth | MD | Internal Medicine | Orange | CA | premium |
| 1083076749 | Lee, Jenny | M.D. | Allergy/ Immunology | Irvine | CA | premium |
| 1881652998 | Karnes, William | MD | Internal Medicine | Orange | CA | premium |
| 1508276197 | Chinchilla, Dinora | MD | Pulmonary Disease | Orange | CA | premium |
| 1417221243 | Yanny, Beshoy | M.D. | Gastroenterology | Los Angeles | CA | premium |
| 1336497775 | Dai-Ju, Jenny | M.D. | Endocrinology | Orange | CA | premium |
| 1528346103 | Dong, Huawei | M.D. | Internal Medicine | Orange | CA | premium |
| 1902062839 | Nabar, Rupali | MD | Internal Medicine | Huntington Beach | CA | premium |
| 1376710434 | Dayyani, Farshid | M.D., PH.D. | Internal Medicine | Orange | CA | premium |
| 1578095774 | Kasimoglu, Ismail | MD, PHD, MBA | Internal Medicine | Orange | CA | premium |
| 1568968436 | Munley, Daniel | MD | Internal Medicine | Orange | CA | premium |
| 1528181344 | Sasson, Bobby | M.D., M.P.H. | Internal Medicine | Irvine | CA | premium |
| 1336853126 | Fearn, Robert | MBCHB | Gastroenterology | Orange | CA | premium |
| 1962601047 | Ziari, Mohammadbagher | MD | Hematology-Oncology | Corona | CA | premium |
| 1710117288 | Yaghmour, Bassam | M.D. | Pulmonary Disease | Orange | CA | premium |
| 1093210973 | Otterson, Daniel | MD | Internal Medicine | Irvine | CA | premium |
| 1225305915 | Park, Sandra Sunhee | MD | Gastroenterology | Orange | CA | premium |
| 1972778520 | Chow, Lillian | MD | Pulmonary Disease | Orange | CA | premium |
| 1497276547 | Maler, Neal | MD | Internal Medicine | Irvine | CA | premium |
| 1669492252 | Pinter-Brown, Lauren | MD | Hematology-Oncology | Los Angeles | CA | premium |
| 1942463377 | Pakbaz, Zahra | MD | Hematology-Oncology | Orange | CA | premium |
| 1629253364 | Samarasena, Jason | M.D. | Internal Medicine | Orange | CA | premium |
| 1023225281 | Araya, Elen | FNP | Nurse Practitioner | Orange | CA | premium |
| 1497005623 | Darian, Nisa | FNP-BC, APN | Nurse Practitioner | Orange | CA | premium |
| 1861855686 | Reddy, Shravani | M.D | Gastroenterology | Orange | CA | premium |
| 1982784047 | Albers, C Gregory | MD | Internal Medicine | Orange | CA | premium |
| 1154380582 | Villaflor, Victoria | M.D. | Medical Oncology | Orange | CA | premium |
| 1578672309 | Mandel, Dan | MD | Internal Medicine | Newport Beach | CA | premium |
| 1093133183 | Ling, Christina | M.D. | Gastroenterology | Orange | CA | premium |
| 1063707958 | Nagasaka, Misako | MD | Hematology-Oncology | Orange | CA | premium |
| 1003277930 | Nguyen, Harry | D.O. | Gastroenterology | Orange | CA | premium |
| 1477086866 | Kim, Jessica | MD | Pediatric Medicine | Orange | CA | premium |
| 1093822017 | Chow, Warren | MD | Medical Oncology | Orange | CA | premium |
| 1831489095 | Shah, Rachna | PA-C | Physician Assistant | Long Beach | CA | premium |
| 1356541502 | Jeyakumar, Deepa | M.D. | Hematology-Oncology | Orange | CA | premium |
| 1225562853 | Neumann, Kristen | CNP | Nurse Practitioner | Orange | CA | premium |
| 1033379268 | Blodget, Emily | MD, MB, BCH, BAO | Infectious Disease | Orange | CA | premium |
| 1710189543 | Parajuli, Ritesh | MD | Hematology-Oncology | Orange | CA | premium |
| 1114000999 | Veskovic, Katarina | M.D. | Internal Medicine | Irvine | CA | premium |
| 1407881592 | Naqvi, Kiran | M.D. | Hematology-Oncology | Orange | CA | premium |
| 1477916633 | Ridolfi, Nicole | D.O. | Rheumatology | Orange | CA | premium |
| 1497201610 | Sharifzadeh, Mohaddeseh | Rheumatology | West Burlington | IA | premium | |
| 1508397563 | Kim, Jaehyun | MD | Gastroenterology | Orange | CA | premium |
| 1053386243 | Meshkinpour, Hooshang | M.D. | Internal Medicine | Irvine | CA | premium |
| 1649350786 | Diamond, Catherine | MD | Internal Medicine | Orange | CA | premium |
| 1740848050 | Ahmed, Sana | PA-C | Physician Assistant | Orange | CA | premium |
| 1518064120 | Sachdev, Kiran | MD | Gastroenterology | Orange | CA | premium |
| 1134202658 | Allen, Byron J | MD | Internal Medicine | Orange | CA | premium |
| 1669577169 | Kraus, Christine | PH.D. | Psychologist, Clinical | Newport Beach | CA | premium |
| 1215017470 | Mehta, Rita Sanghvi | MD | Internal Medicine | Orange | CA | premium |
| 1659803310 | Dao, Ly-An | NP | Nurse Practitioner | Orange | CA | premium |
| 1417273517 | Coombs, Catherine | M.D. | Internal Medicine | Orange | CA | premium |
| 1720696438 | Kongtim, Piyanuch | MD, PHD. | Hematology-Oncology | Orange | CA | premium |
| 1306095963 | Huang, Yunsan | MD | Internal Medicine | Irvine | CA | premium |
| 1043542871 | Newman, Erin | M.D. | Pediatric Medicine | Orange | CA | premium |
| 1649408444 | Yang, Qin | Internal Medicine | Irvine | CA | premium | |
| 1134330921 | Yilmaz Demirdag, Yesim | M.D. | Allergy/ Immunology | Irvine | CA | premium |
| 1265047419 | Sung, Kimberly | Nurse Practitioner | Irvine | CA | premium | |
| 1225039050 | Dominguez, Marcela | M.D. | Family Practice | Mission Viejo | CA | premium |
| 1003880865 | Wylam, Mark | M.D. | Critical Care (Intensivists) | Orange | CA | premium |
| 1205130572 | Lavasani, Sayeh | MD | Medical Oncology | Orange | CA | premium |
| 1740628874 | Lebastchi, Jasmin | M.D. | Endocrinology | Riverside | RI | premium |
| 1679917686 | Liang, Julia | NP | Nurse Practitioner | Orange | CA | premium |
| 1093919680 | Andrade, Rosa | MD | Infectious Disease | Orange | CA | premium |
| 1245662055 | Iyer, Priyanka | M.B.B.S, M.P.H | Rheumatology | Orange | CA | premium |
| 1710149752 | Ciurea, Stefan | MD | Hematology-Oncology | Orange | CA | premium |
| 1649681495 | Hamiduzzaman, Anum | M.D. | Internal Medicine | Orange | CA | premium |
| 1780655233 | Deng, Gary | MD | Internal Medicine | Irvine | CA | premium |
| 1306310750 | Marquez, Eliana | NP | Nurse Practitioner | Anaheim | CA | premium |
| 1750724514 | Saadi, Zainab | Internal Medicine | Los Angeles | CA | premium | |
| 1922216175 | Fleischman, Angela | MD | Internal Medicine | Orange | CA | premium |
| 1639535834 | Carroll, Mary | FNP | Nurse Practitioner | Orange | CA | premium |
| 1548596885 | Drew De Paz, Jessica | PSY.D. | Psychologist, Clinical | Newport Beach | CA | premium |
| 1073695250 | Villalon, Janette | PA-C | Physician Assistant | Orange | CA | premium |
| 1669577276 | O'brien, Susan | M.D. | Hematology-Oncology | Orange | CA | premium |
| 1477829190 | Nam, Hannah | M.D. | Internal Medicine | Orange | CA | premium |
| 1780692939 | Villalona Calero, Miguel | M.D. | Medical Oncology | Orange | CA | premium |
| 1437170990 | Ko, Andrew | M.D. | Gastroenterology | Yorba Linda | CA | premium |
| 1588744635 | Fruehauf, John P | MD | General Surgery | Orange | CA | premium |
| 1164502233 | Andersen, Bogi | MD | Internal Medicine | Orange | CA | premium |
| 1568666014 | Zell, Jason | DO | Hematology-Oncology | Orange | CA | premium |
| 1427310713 | Attarian, Shirin | M.D. | Hematology-Oncology | Orange | CA | premium |
| 1063894715 | Dehaan, Heather | MD | Family Practice | Orange | CA | premium |
| 1679625024 | Demehry, Sanaz | PA | Physician Assistant | Newport Beach | CA | premium |
| 1649619990 | Fathalizadeh, Alisan | M.D., M.P.H. | General Surgery | Orange | CA | premium |
| 1669583530 | Lee, Robert | M.D. | Internal Medicine | Orange | CA | premium |
| 1033144928 | Park, Steven | MD | Internal Medicine | Orange | CA | premium |
| 1265096465 | Ullrich, Natalia | REGISTERED DIETITIAN | Registered Dietitian or Nutrition Professional | Irvine | CA | premium |
| 1992885131 | Pahl, Madeleine | MD | Internal Medicine | Orange | CA | premium |
| 1619202165 | Essak, Monica | N.P.-C | Nurse Practitioner | Newport Beach | CA | premium |
| 1699966861 | Desai, Sheetal | MD | Internal Medicine | Orange | CA | premium |
| 1922527407 | Schulman, Sherry | RDN | Registered Dietitian or Nutrition Professional | San Juan Capistrano | CA | premium |
| 1215017363 | Forthal, Donald N | MD | Infectious Disease | Orange | CA | premium |
| 1962656017 | Kirk, Christina | NP | Nurse Practitioner | Orange | CA | premium |
| 1740772896 | Lucas, Edelaine | NP | Nurse Practitioner | Yorba Linda | CA | premium |
| 1083137947 | Smith, Julie | NP | Nurse Practitioner | Orange | CA | premium |
| 1740397421 | Parekh, Nimisha | MD | Internal Medicine | Orange | CA | premium |
| 1396846317 | Le, Thu | M.D. | Nephrology | Orange | CA | premium |
| 1427108851 | Rosen, Mark | MD | Internal Medicine | Orange | CA | premium |
| 1225564727 | Leong, Jaclyn | DO | Internal Medicine | Irvine | CA | premium |
| 1528566742 | Hormazdi, Megan | MSN-FNP | Nurse Practitioner | Tustin | CA | premium |
| 1265512354 | Cesario, Thomas C | MD | Internal Medicine | Orange | CA | premium |
| 1780764951 | Nelson, Edward L | MD | Internal Medicine | Orange | CA | premium |
| 1255823993 | Herring, Ryan | Preventive Medicine | Orange | CA | premium | |
| 1659734820 | Philip, Drew | DNP, APRN, FNP-C | Nurse Practitioner | Irvine | CA | premium |
| 1477191427 | Baber, Lesley | NP-BC | Nurse Practitioner | Orange | CA | premium |
| 1487771432 | Heseltine, Peter | MD, FACP | Internal Medicine | Orange | CA | premium |
| 1134651722 | Yu, Elliot | M.D. | Gastroenterology | Orange | CA | premium |
| 1760536841 | Vanetten, Richard | MD | Internal Medicine | Orange | CA | premium |
| 1255867743 | Kianoush, Sina | MD, MPH | Cardiology | Orange | CA | premium |
| 1346474467 | Truax, Thuha | N.P.-C, MSN | Nurse Practitioner | Orange | CA | premium |
| 1427595925 | Doshi Patel, Hema | AGNP | Nurse Practitioner | Irvine | CA | premium |
| 1336106871 | Cattamanchi, Adithya | MD | Pulmonary Disease | Orange | CA | premium |
| 1154825800 | Choi, April | MD | Hematology-Oncology | Orange | CA | premium |
| 1558850859 | Munugala, Nishant | MD, MPH | Hematology-Oncology | Orange | CA | premium |
| 1720519010 | Paiji, Christopher | MD | Gastroenterology | Orange | CA | premium |
| 1003301110 | Foley, Nicole | M.D. | Hematology-Oncology | Orange | CA | premium |
| 1902331630 | Ahn, Jeffrey | M.D. | Hematology-Oncology | Orange | CA | premium |
| 1821356254 | Salem, Mark | Gastroenterology | Orange | CA | premium | |
| 1013476100 | Pak, Theodore | MD, PHD | Internal Medicine | Orange | CA | premium |
| 1992365423 | Gabriel, Christopher | M.D. | Internal Medicine | Orange | CA | premium |
| 1184051856 | Carr, Maureen | ARNP | Nurse Practitioner | Orange | CA | premium |
| 1407387566 | Vaidya, Poorva | Hematology-Oncology | Orange | CA | premium | |
| 1619517778 | Viola, Kristin | PA | Physician Assistant | Orange | CA | premium |
| 1346207651 | Huang, Susan | MD | Internal Medicine | Orange | CA | premium |
| 1164747218 | Hussain, Mehboob | MD | Internal Medicine | Ann Arbor | MI | premium |
| 1437355534 | Elquza, Emad | M.D. | Hematology-Oncology | Orange | CA | premium |
| 1548857162 | Girouard, Marlena | FNP-C | Nurse Practitioner | Costa Mesa | CA | premium |
| 1164655817 | Abadian Sharifabad, Manoochehr · member of 2 groups | M.D. | Critical Care (Intensivists) | Fountain Valley | CA | premium |
| 1992918916 | Al Ammary, Fawaz · member of 2 groups | M.D. | Nephrology | Orange | CA | premium |
| 1043474513 | Amirkhanian Namagerdy, Sebo · member of 4 groups | M.D. | Critical Care (Intensivists) | Tujunga | CA | premium |
| 1497287619 | Becerra, Brian · member of 2 groups | Internal Medicine | Orange | CA | premium | |
| 1932490034 | Chang, Yongen · member of 2 groups | MD, PHD | Nephrology | Orange | CA | premium |
| 1629490438 | Contreras, Jose · member of 2 groups | M.D. | Pulmonary Disease | Fountain Valley | CA | premium |
| 1376962449 | Dean, Erin · member of 2 groups | M.D. | Hematology | Orange | CA | premium |
| 1831458827 | Ferrey, Antoney · member of 2 groups | M.D. | Nephrology | Orange | CA | premium |
| 1548720840 | Gilani, Christopher · member of 2 groups | MD | Anesthesiology | Orange | CA | premium |
| 1184381014 | Goldsby, Megan · member of 2 groups | PA-C, MMS | Physician Assistant | Orange | CA | premium |
| 1528589405 | Hashm, Hassan · member of 2 groups | Critical Care (Intensivists) | Bronx | NY | premium | |
| 1851389878 | Haupt, David · member of 2 groups | DPM | Podiatry | Newport Beach | CA | premium |
| 1184017519 | Hoyme, Cheryl · member of 2 groups | NP | Nurse Practitioner | Newport Beach | CA | premium |
| 1326466426 | Huang, Andy · member of 2 groups | MD | Internal Medicine | Irvine | CA | premium |
| 1215592076 | Jung, Sean · member of 2 groups | MD | Hospitalist | San Diego | CA | premium |
| 1447330915 | Kale, Rahul · member of 2 groups | MD | Pulmonary Disease | San Juan Capistrano | CA | premium |
| 1265172936 | Kang, Michael · member of 2 groups | PA-C | Physician Assistant | Orange | CA | premium |
| 1801129663 | Kohli, Sanjivan · member of 3 groups | MD | Pulmonary Disease | San Juan Capistrano | CA | premium |
| 1144583733 | Lee, Lisa · member of 2 groups | M.D. | Hematology-Oncology | Irvine | CA | premium |
| 1568686491 | Lin, Jeannette · member of 2 groups | M.D. | Internal Medicine | Orange | CA | premium |
| 1881085207 | Malekzadegan, Mohammad · member of 3 groups | Pulmonary Disease | Riverside | CA | premium | |
| 1760777320 | Mankal, Pavan · member of 3 groups | M.D. | Gastroenterology | Orange | CA | premium |
| 1740519586 | Manoukian, Krikor · member of 2 groups | M.D. | Internal Medicine | Burbank | CA | premium |
| 1609808534 | Martin, John · member of 2 groups | MD | Gastroenterology | Rochester | MN | premium |
| 1649280546 | Martin, Keith · member of 2 groups | M.D. | Gastroenterology | Yorba Linda | CA | premium |
| 1669152252 | Melchor, John · member of 2 groups | Nurse Practitioner | Inglewood | CA | premium | |
| 1952644197 | Mossinger, Lindsay · member of 2 groups | M.D. | Internal Medicine | Los Alamitos | CA | premium |
| 1528304524 | Nader, Kamyar · member of 2 groups | M.D. | Hematology-Oncology | Orange | CA | premium |
| 1366860074 | Naqvi, Ali · member of 2 groups | M.D. | Internal Medicine | Orange | CA | premium |
| 1679237598 | Navarro, Allen Kris · member of 3 groups | Nurse Practitioner | Long Beach | CA | premium | |
| 1477613339 | Ngo, Chau · member of 2 groups | M.D. | Internal Medicine | Laguna Beach | CA | premium |
| 1932627874 | Nguyen, Lawrence · member of 2 groups | DO | Nephrology | Orange | CA | premium |
| 1487846481 | Reddy, Uttam · member of 2 groups | M.D. | Nephrology | Orange | CA | premium |
| 1649211012 | Saetrum Opgaard, Ole · member of 2 groups | M.D., PH.D | Endocrinology | Garden Grove | CA | premium |
| 1699090274 | Shah, Paurush · member of 2 groups | MD | Gastroenterology | Orange | CA | premium |
| 1174694426 | Sharief, Imran · member of 4 groups | MD | Critical Care (Intensivists) | Tustin | CA | premium |
| 1447293956 | Sharma, Adarsh · member of 2 groups | M.D. | Pulmonary Disease | Newport Beach | CA | premium |
| 1467692947 | Singh, Tulika · member of 2 groups | M.D., M.S., AAHIVS | Internal Medicine | Orange | CA | premium |
| 1548992175 | Sobredo, Ryan · member of 2 groups | Nurse Practitioner | Orange | CA | premium | |
| 1689070161 | Sweidan, Alexander · member of 3 groups | MD | Pulmonary Disease | Costa Mesa | CA | premium |
| 1104053024 | Tantisattamo, Ekamol · member of 2 groups | MD | Nephrology | Orange | CA | premium |
| 1538615778 | Tran, Katie · member of 2 groups | NP | Nurse Practitioner | Los Angeles | CA | premium |
| 1649307356 | Trivedi, Kashyap · member of 2 groups | MD | Gastroenterology | Orange | CA | premium |
| 1346744414 | Wong, Tammy · member of 2 groups | Sleep Medicine | Los Angeles | CA | premium | |
| 1255986964 | Xu, Aileen · member of 2 groups | FNP | Nurse Practitioner | Newport Beach | CA | premium |
Volumes are attributed to a group only for clinicians affiliated with exactly one group. Clinicians in several groups are listed ("member of N groups") but shown as "—" — their volume is not attributed to any single group. A "—" on a single-group clinician means CMS suppressed the figure (fewer than 11 beneficiaries), never zero. Beneficiary-episodes count CMS's per-setting beneficiary figures, not unique patients. Average Medicare payment is the amount Medicare actually paid per service, weighted by service volume across office and facility settings. Where the roster is a single clinician, that clinician's service counts match the group's attributed volume shown on the ranked results, so they are shown here; the per-provider split across a larger roster is a premium feature. See Methods & Sources.