NEVVI Medicare utilization intelligence

← back to results

UC REGENTS

PAC 7416869516 Provider group
INTERNAL MEDICINE · ORANGE, CA · hospital-affiliated
Specialty INTERNAL MEDICINE — most common member specialty (multi-specialty groups carry one label; see Methods)
Footprint Registered in ORANGE, CA · bills Medicare in 20 states
Scale 296 providers on the CMS registry roster · 325 codes billed (five-year data window) · 334,460 services (all billed codes, CY2024)
Medicare paid $13.4M · across all billed codes, CY2024, attributed & disclosed
Affiliation Hospital-affiliated — at least one member holds a hospital affiliation in the CMS registry
Contact (714) 456-7002 — CMS registry listing
CMS Doctors & Clinicians registry · Medicare Part B physician/supplier claims · figures are attributed (single-group clinicians) and disclosed fee-for-service — a subset, never complete totals · group series shown over the most recent 5 years (rosters archived from 2019)
Group analytics

Who's billing in this group, plus the paid volume analytics · CY2024

Clinician makeup · CY2024
Physicians 199Advanced-practice 35Other clinicians 5= 239 clinicians billed · CY2024
By clinician headcount, CY2024. 'Physician' follows Medicare's §1861(r) definition (MD/DO, podiatry, optometry, dental medicine, chiropractic); facility and supplier enrollments are not counted as clinicians. These 239 are the clinicians who billed in CY2024 — a subset of the all-time registry roster shown on the group's identity card.

Billed 217 of the group's 325 codes this year, across 4 states (CY2024).

The full analytics for this group

Premium

The billed-volume rank, trajectory, and economics behind this group — computed on the same disclosed Medicare Part B data.

What Medicare paid this group in CY2024 is on the group's identity card — free, on every tier. Premium breaks that figure down per code and per service, and puts the volume behind it in national and peer context.

  • 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 →
Medicare Part B FFS · CY2024 · as published by CMS

Provider volumes, all codes · CY2024

NPIProviderCredentialsTypeCitySt Services (all codes) locked column
1578521266 Pandit, Lalita M.D. Hematology-Oncology Fountain ValleyCA premium
1770583197 Karimi, Misagh MD Hematology-Oncology Newport BeachCA premium
1396190567 Betlachin, Anna MD Endocrinology IrvineCA premium
1295966489 Tran, Thu NP Nurse Practitioner IrvineCA premium
1265426183 Schenk, Alan M.D. Rheumatology Laguna WoodsCA premium
1881649853 Idriss, Almoatazbellah MD Internal Medicine TustinCA premium
1104886241 Le, Hoang M.D. Pulmonary Disease Fountain ValleyCA premium
1881666774 Purnell, Miki M.D. Family Practice IrvineCA premium
1821297797 Kim, Jin MD Cardiology OrangeCA premium
1609168517 Rochon-Duck, Michael M.D. Clinical Cardiac Electrophysiology OrangeCA premium
1215255831 Hecht, Kim D.O Physical Medicine and Rehabilitation Newport BeachCA premium
1811315674 Ghashghaei, Roxana M.D. Internal Medicine Laguna HillsCA premium
1003109513 Cheng, Michael DO Internal Medicine OrangeCA premium
1619196755 Donaldson, David M.D. Cardiology OrangeCA premium
1801258587 Sabet, Amin M.D Cardiology FresnoCA premium
1013250463 Lee, Andy MD Cardiology OrangeCA premium
1205944485 Lombardo, Dawn DO Cardiology OrangeCA premium
1720346240 Mody, Behram MD Cardiology OrangeCA premium
1659802536 Xu, Jennifer M.D. Cardiology OrangeCA premium
1356305254 Gradus-Pizlo, Irmina M.D. Internal Medicine OrangeCA premium
1750646501 Lin, Felice MD Cardiology FresnoCA premium
1205974755 Rezazadeh Kalebasty, Arash M.D. Hematology-Oncology OrangeCA premium
1629497797 Golshani, Gol M.D Hematology-Oncology Laguna HillsCA premium
1922240191 Mar, Nataliya MD Hematology-Oncology OrangeCA premium
1275536773 Mahdavi, Khosrow MD Internal Medicine Costa MesaCA premium
1336233600 Torabzadeh, Simin MD Geriatric Medicine OrangeCA premium
1518150283 Hanna, Ramy M.D. Nephrology OrangeCA premium
1366896771 Upparapalli, Deepti M.D. Advanced Heart Failure and Transplant Cardiology OrangeCA premium
1750780367 Mojazi Amiri, Hoda MD Endocrinology Yorba LindaCA premium
1821524315 Salek, Azadeh M.D. Cardiology Redondo BeachCA premium
1487734521 Lee, John MD Gastroenterology OrangeCA premium
1982836466 Barseghian El-Farra, Ailin M.D. Internal Medicine OrangeCA premium
1427184175 Patel, Pranav MD Cardiology OrangeCA premium
1003558420 Halais Frangieh, Antonio MD, MPH Cardiology OrangeCA premium
1033290887 Swaroop, Satinder MD Internal Medicine Fountain ValleyCA premium
1710253638 Khagi, Yulian M.D. Hematology-Oncology Laguna HillsCA premium
1639435738 Sy, John M.D. Nephrology Long BeachCA premium
1922208495 Malik, Shaista MD Internal Medicine OrangeCA premium
1023198272 Reikes, Andrew MD Internal Medicine OrangeCA premium
1669552832 Nguyen, Lan MD Internal Medicine OrangeCA premium
1295078764 Cheng, Timmy M.D. Pulmonary Disease OrangeCA premium
1154401313 Nadeswaran, Bavani MD Internal Medicine OrangeCA premium
1376770255 Valerin, Jennifer M.D. Hematology-Oncology OrangeCA premium
1649784208 Hainley, Anne NP Nurse Practitioner OrangeCA premium
1447497219 Malik, Fatima M.D Nephrology West HollywoodCA premium
1609290774 Howell, Stacey Clinical Cardiac Electrophysiology OrangeCA premium
1366594855 Lee, Fa-Chyi M.D. Hematology-Oncology OrangeCA premium
1306926530 Sosa-Johnson, Martha MD Internal Medicine OrangeCA premium
1649663378 Reilly, April DPT Physical Therapist in Private Practice VistaCA premium
1548340607 Hu, Ke-Qin MD Gastroenterology OrangeCA premium
1851735211 Ahdoot, Rebecca M.D. Nephrology OrangeCA premium
1306005046 Lee, Richard MD Internal Medicine OrangeCA premium
1891744470 Waddington, Thomas M.D. Pulmonary Disease OrangeCA premium
1295864866 Chow, Emilie MD Internal Medicine OrangeCA premium
1275948481 Keating, Matthew M.D. Hematology-Oncology Yorba LindaCA premium
1447491147 Chaker, Tamara N.P./C.N.S. Nurse Practitioner OrangeCA premium
1417482522 Thakkar, Aditi MBBS Endocrinology OrangeCA premium
1528231081 Paz Y Mar, Hugo M.D. Sleep Medicine OrangeCA premium
1194187781 Camarillo, Elsa D.O. Pulmonary Disease OrangeCA premium
1578958674 Rofael, Martin Internal Medicine OrangeCA premium
1639259872 Ou, Sai-Hong I MD Internal Medicine OrangeCA premium
1043268949 Rahimi, Maryam MD Internal Medicine OrangeCA premium
1932133667 Saad, Carlos MD Gastroenterology Santa AnaCA premium
1508813098 Nanci, Andreea MD Internal Medicine Costa MesaCA premium
1558572032 Lau, Wei Ling M.D. Nephrology IrvineCA premium
1699862102 Rosenblit, Paul M.D. Internal Medicine Huntington BeachCA premium
1578883781 Brem, Elizabeth MD Internal Medicine OrangeCA premium
1083076749 Lee, Jenny M.D. Allergy/ Immunology IrvineCA premium
1881652998 Karnes, William MD Internal Medicine OrangeCA premium
1508276197 Chinchilla, Dinora MD Pulmonary Disease OrangeCA premium
1417221243 Yanny, Beshoy M.D. Gastroenterology Los AngelesCA premium
1336497775 Dai-Ju, Jenny M.D. Endocrinology OrangeCA premium
1528346103 Dong, Huawei M.D. Internal Medicine OrangeCA premium
1902062839 Nabar, Rupali MD Internal Medicine Huntington BeachCA premium
1376710434 Dayyani, Farshid M.D., PH.D. Internal Medicine OrangeCA premium
1578095774 Kasimoglu, Ismail MD, PHD, MBA Internal Medicine OrangeCA premium
1568968436 Munley, Daniel MD Internal Medicine OrangeCA premium
1528181344 Sasson, Bobby M.D., M.P.H. Internal Medicine IrvineCA premium
1336853126 Fearn, Robert MBCHB Gastroenterology OrangeCA premium
1962601047 Ziari, Mohammadbagher MD Hematology-Oncology CoronaCA premium
1710117288 Yaghmour, Bassam M.D. Pulmonary Disease OrangeCA premium
1093210973 Otterson, Daniel MD Internal Medicine IrvineCA premium
1225305915 Park, Sandra Sunhee MD Gastroenterology OrangeCA premium
1972778520 Chow, Lillian MD Pulmonary Disease OrangeCA premium
1497276547 Maler, Neal MD Internal Medicine IrvineCA premium
1669492252 Pinter-Brown, Lauren MD Hematology-Oncology Los AngelesCA premium
1942463377 Pakbaz, Zahra MD Hematology-Oncology OrangeCA premium
1629253364 Samarasena, Jason M.D. Internal Medicine OrangeCA premium
1023225281 Araya, Elen FNP Nurse Practitioner OrangeCA premium
1497005623 Darian, Nisa FNP-BC, APN Nurse Practitioner OrangeCA premium
1861855686 Reddy, Shravani M.D Gastroenterology OrangeCA premium
1982784047 Albers, C Gregory MD Internal Medicine OrangeCA premium
1154380582 Villaflor, Victoria M.D. Medical Oncology OrangeCA premium
1578672309 Mandel, Dan MD Internal Medicine Newport BeachCA premium
1093133183 Ling, Christina M.D. Gastroenterology OrangeCA premium
1063707958 Nagasaka, Misako MD Hematology-Oncology OrangeCA premium
1003277930 Nguyen, Harry D.O. Gastroenterology OrangeCA premium
1477086866 Kim, Jessica MD Pediatric Medicine OrangeCA premium
1093822017 Chow, Warren MD Medical Oncology OrangeCA premium
1831489095 Shah, Rachna PA-C Physician Assistant Long BeachCA premium
1356541502 Jeyakumar, Deepa M.D. Hematology-Oncology OrangeCA premium
1225562853 Neumann, Kristen CNP Nurse Practitioner OrangeCA premium
1033379268 Blodget, Emily MD, MB, BCH, BAO Infectious Disease OrangeCA premium
1710189543 Parajuli, Ritesh MD Hematology-Oncology OrangeCA premium
1114000999 Veskovic, Katarina M.D. Internal Medicine IrvineCA premium
1407881592 Naqvi, Kiran M.D. Hematology-Oncology OrangeCA premium
1477916633 Ridolfi, Nicole D.O. Rheumatology OrangeCA premium
1497201610 Sharifzadeh, Mohaddeseh Rheumatology West BurlingtonIA premium
1508397563 Kim, Jaehyun MD Gastroenterology OrangeCA premium
1053386243 Meshkinpour, Hooshang M.D. Internal Medicine IrvineCA premium
1649350786 Diamond, Catherine MD Internal Medicine OrangeCA premium
1740848050 Ahmed, Sana PA-C Physician Assistant OrangeCA premium
1518064120 Sachdev, Kiran MD Gastroenterology OrangeCA premium
1134202658 Allen, Byron J MD Internal Medicine OrangeCA premium
1669577169 Kraus, Christine PH.D. Psychologist, Clinical Newport BeachCA premium
1215017470 Mehta, Rita Sanghvi MD Internal Medicine OrangeCA premium
1659803310 Dao, Ly-An NP Nurse Practitioner OrangeCA premium
1417273517 Coombs, Catherine M.D. Internal Medicine OrangeCA premium
1720696438 Kongtim, Piyanuch MD, PHD. Hematology-Oncology OrangeCA premium
1306095963 Huang, Yunsan MD Internal Medicine IrvineCA premium
1043542871 Newman, Erin M.D. Pediatric Medicine OrangeCA premium
1649408444 Yang, Qin Internal Medicine IrvineCA premium
1134330921 Yilmaz Demirdag, Yesim M.D. Allergy/ Immunology IrvineCA premium
1265047419 Sung, Kimberly Nurse Practitioner IrvineCA premium
1225039050 Dominguez, Marcela M.D. Family Practice Mission ViejoCA premium
1003880865 Wylam, Mark M.D. Critical Care (Intensivists) OrangeCA premium
1205130572 Lavasani, Sayeh MD Medical Oncology OrangeCA premium
1740628874 Lebastchi, Jasmin M.D. Endocrinology RiversideRI premium
1679917686 Liang, Julia NP Nurse Practitioner OrangeCA premium
1093919680 Andrade, Rosa MD Infectious Disease OrangeCA premium
1245662055 Iyer, Priyanka M.B.B.S, M.P.H Rheumatology OrangeCA premium
1710149752 Ciurea, Stefan MD Hematology-Oncology OrangeCA premium
1649681495 Hamiduzzaman, Anum M.D. Internal Medicine OrangeCA premium
1780655233 Deng, Gary MD Internal Medicine IrvineCA premium
1306310750 Marquez, Eliana NP Nurse Practitioner AnaheimCA premium
1750724514 Saadi, Zainab Internal Medicine Los AngelesCA premium
1922216175 Fleischman, Angela MD Internal Medicine OrangeCA premium
1639535834 Carroll, Mary FNP Nurse Practitioner OrangeCA premium
1548596885 Drew De Paz, Jessica PSY.D. Psychologist, Clinical Newport BeachCA premium
1073695250 Villalon, Janette PA-C Physician Assistant OrangeCA premium
1669577276 O'brien, Susan M.D. Hematology-Oncology OrangeCA premium
1477829190 Nam, Hannah M.D. Internal Medicine OrangeCA premium
1780692939 Villalona Calero, Miguel M.D. Medical Oncology OrangeCA premium
1437170990 Ko, Andrew M.D. Gastroenterology Yorba LindaCA premium
1588744635 Fruehauf, John P MD General Surgery OrangeCA premium
1164502233 Andersen, Bogi MD Internal Medicine OrangeCA premium
1568666014 Zell, Jason DO Hematology-Oncology OrangeCA premium
1427310713 Attarian, Shirin M.D. Hematology-Oncology OrangeCA premium
1063894715 Dehaan, Heather MD Family Practice OrangeCA premium
1679625024 Demehry, Sanaz PA Physician Assistant Newport BeachCA premium
1649619990 Fathalizadeh, Alisan M.D., M.P.H. General Surgery OrangeCA premium
1669583530 Lee, Robert M.D. Internal Medicine OrangeCA premium
1033144928 Park, Steven MD Internal Medicine OrangeCA premium
1265096465 Ullrich, Natalia REGISTERED DIETITIAN Registered Dietitian or Nutrition Professional IrvineCA premium
1992885131 Pahl, Madeleine MD Internal Medicine OrangeCA premium
1619202165 Essak, Monica N.P.-C Nurse Practitioner Newport BeachCA premium
1699966861 Desai, Sheetal MD Internal Medicine OrangeCA premium
1922527407 Schulman, Sherry RDN Registered Dietitian or Nutrition Professional San Juan CapistranoCA premium
1215017363 Forthal, Donald N MD Infectious Disease OrangeCA premium
1962656017 Kirk, Christina NP Nurse Practitioner OrangeCA premium
1740772896 Lucas, Edelaine NP Nurse Practitioner Yorba LindaCA premium
1083137947 Smith, Julie NP Nurse Practitioner OrangeCA premium
1740397421 Parekh, Nimisha MD Internal Medicine OrangeCA premium
1396846317 Le, Thu M.D. Nephrology OrangeCA premium
1427108851 Rosen, Mark MD Internal Medicine OrangeCA premium
1225564727 Leong, Jaclyn DO Internal Medicine IrvineCA premium
1528566742 Hormazdi, Megan MSN-FNP Nurse Practitioner TustinCA premium
1265512354 Cesario, Thomas C MD Internal Medicine OrangeCA premium
1780764951 Nelson, Edward L MD Internal Medicine OrangeCA premium
1255823993 Herring, Ryan Preventive Medicine OrangeCA premium
1659734820 Philip, Drew DNP, APRN, FNP-C Nurse Practitioner IrvineCA premium
1477191427 Baber, Lesley NP-BC Nurse Practitioner OrangeCA premium
1487771432 Heseltine, Peter MD, FACP Internal Medicine OrangeCA premium
1134651722 Yu, Elliot M.D. Gastroenterology OrangeCA premium
1760536841 Vanetten, Richard MD Internal Medicine OrangeCA premium
1255867743 Kianoush, Sina MD, MPH Cardiology OrangeCA premium
1346474467 Truax, Thuha N.P.-C, MSN Nurse Practitioner OrangeCA premium
1427595925 Doshi Patel, Hema AGNP Nurse Practitioner IrvineCA premium
1336106871 Cattamanchi, Adithya MD Pulmonary Disease OrangeCA premium
1154825800 Choi, April MD Hematology-Oncology OrangeCA premium
1558850859 Munugala, Nishant MD, MPH Hematology-Oncology OrangeCA premium
1720519010 Paiji, Christopher MD Gastroenterology OrangeCA premium
1003301110 Foley, Nicole M.D. Hematology-Oncology OrangeCA premium
1902331630 Ahn, Jeffrey M.D. Hematology-Oncology OrangeCA premium
1821356254 Salem, Mark Gastroenterology OrangeCA premium
1013476100 Pak, Theodore MD, PHD Internal Medicine OrangeCA premium
1992365423 Gabriel, Christopher M.D. Internal Medicine OrangeCA premium
1184051856 Carr, Maureen ARNP Nurse Practitioner OrangeCA premium
1407387566 Vaidya, Poorva Hematology-Oncology OrangeCA premium
1619517778 Viola, Kristin PA Physician Assistant OrangeCA premium
1346207651 Huang, Susan MD Internal Medicine OrangeCA premium
1164747218 Hussain, Mehboob MD Internal Medicine Ann ArborMI premium
1437355534 Elquza, Emad M.D. Hematology-Oncology OrangeCA premium
1548857162 Girouard, Marlena FNP-C Nurse Practitioner Costa MesaCA premium
1164655817 Abadian Sharifabad, Manoochehr · member of 2 groups M.D. Critical Care (Intensivists) Fountain ValleyCA premium
1992918916 Al Ammary, Fawaz · member of 2 groups M.D. Nephrology OrangeCA premium
1043474513 Amirkhanian Namagerdy, Sebo · member of 4 groups M.D. Critical Care (Intensivists) TujungaCA premium
1497287619 Becerra, Brian · member of 2 groups Internal Medicine OrangeCA premium
1932490034 Chang, Yongen · member of 2 groups MD, PHD Nephrology OrangeCA premium
1629490438 Contreras, Jose · member of 2 groups M.D. Pulmonary Disease Fountain ValleyCA premium
1376962449 Dean, Erin · member of 2 groups M.D. Hematology OrangeCA premium
1831458827 Ferrey, Antoney · member of 2 groups M.D. Nephrology OrangeCA premium
1548720840 Gilani, Christopher · member of 2 groups MD Anesthesiology OrangeCA premium
1184381014 Goldsby, Megan · member of 2 groups PA-C, MMS Physician Assistant OrangeCA premium
1528589405 Hashm, Hassan · member of 2 groups Critical Care (Intensivists) BronxNY premium
1851389878 Haupt, David · member of 2 groups DPM Podiatry Newport BeachCA premium
1184017519 Hoyme, Cheryl · member of 2 groups NP Nurse Practitioner Newport BeachCA premium
1326466426 Huang, Andy · member of 2 groups MD Internal Medicine IrvineCA premium
1215592076 Jung, Sean · member of 2 groups MD Hospitalist San DiegoCA premium
1447330915 Kale, Rahul · member of 2 groups MD Pulmonary Disease San Juan CapistranoCA premium
1265172936 Kang, Michael · member of 2 groups PA-C Physician Assistant OrangeCA premium
1801129663 Kohli, Sanjivan · member of 3 groups MD Pulmonary Disease San Juan CapistranoCA premium
1144583733 Lee, Lisa · member of 2 groups M.D. Hematology-Oncology IrvineCA premium
1568686491 Lin, Jeannette · member of 2 groups M.D. Internal Medicine OrangeCA premium
1881085207 Malekzadegan, Mohammad · member of 3 groups Pulmonary Disease RiversideCA premium
1760777320 Mankal, Pavan · member of 3 groups M.D. Gastroenterology OrangeCA premium
1740519586 Manoukian, Krikor · member of 2 groups M.D. Internal Medicine BurbankCA premium
1609808534 Martin, John · member of 2 groups MD Gastroenterology RochesterMN premium
1649280546 Martin, Keith · member of 2 groups M.D. Gastroenterology Yorba LindaCA premium
1669152252 Melchor, John · member of 2 groups Nurse Practitioner InglewoodCA premium
1952644197 Mossinger, Lindsay · member of 2 groups M.D. Internal Medicine Los AlamitosCA premium
1528304524 Nader, Kamyar · member of 2 groups M.D. Hematology-Oncology OrangeCA premium
1366860074 Naqvi, Ali · member of 2 groups M.D. Internal Medicine OrangeCA premium
1679237598 Navarro, Allen Kris · member of 3 groups Nurse Practitioner Long BeachCA premium
1477613339 Ngo, Chau · member of 2 groups M.D. Internal Medicine Laguna BeachCA premium
1932627874 Nguyen, Lawrence · member of 2 groups DO Nephrology OrangeCA premium
1487846481 Reddy, Uttam · member of 2 groups M.D. Nephrology OrangeCA premium
1649211012 Saetrum Opgaard, Ole · member of 2 groups M.D., PH.D Endocrinology Garden GroveCA premium
1699090274 Shah, Paurush · member of 2 groups MD Gastroenterology OrangeCA premium
1174694426 Sharief, Imran · member of 4 groups MD Critical Care (Intensivists) TustinCA premium
1447293956 Sharma, Adarsh · member of 2 groups M.D. Pulmonary Disease Newport BeachCA premium
1467692947 Singh, Tulika · member of 2 groups M.D., M.S., AAHIVS Internal Medicine OrangeCA premium
1548992175 Sobredo, Ryan · member of 2 groups Nurse Practitioner OrangeCA premium
1689070161 Sweidan, Alexander · member of 3 groups MD Pulmonary Disease Costa MesaCA premium
1104053024 Tantisattamo, Ekamol · member of 2 groups MD Nephrology OrangeCA premium
1538615778 Tran, Katie · member of 2 groups NP Nurse Practitioner Los AngelesCA premium
1649307356 Trivedi, Kashyap · member of 2 groups MD Gastroenterology OrangeCA premium
1346744414 Wong, Tammy · member of 2 groups Sleep Medicine Los AngelesCA premium
1255986964 Xu, Aileen · member of 2 groups FNP Nurse Practitioner Newport BeachCA 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.