NEVVI Medicare utilization intelligence

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REGENTS OF THE UNIVERSITY OF

PAC 8729983473 Provider group
ANESTHESIOLOGY · ORANGE, CA · hospital-affiliated
Specialty ANESTHESIOLOGY — most common member specialty (multi-specialty groups carry one label; see Methods)
Footprint Registered in ORANGE, CA · bills Medicare in 16 states
Scale 227 providers on the CMS registry roster · 92 codes billed (five-year data window) · 13,622 services (all billed codes, CY2024)
Medicare paid $1.1M · across all billed codes, CY2024, attributed & disclosed
Affiliation Hospital-affiliated — at least one member holds a hospital affiliation in the CMS registry
Contact (714) 456-7004 — 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 96Advanced-practice 46Other clinicians 0= 142 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 142 are the clinicians who billed in CY2024 — a subset of the all-time registry roster shown on the group's identity card.

Billed 63 of the group's 92 codes this year, across 7 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.

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Medicare Part B FFS · CY2024 · as published by CMS

Provider volumes, all codes · CY2024

NPIProviderCredentialsTypeCitySt Services (all codes) locked column
1972893790 Alem, Navid M.D. Anesthesiology OrangeCA premium
1225473432 Yeung, Brent M.D. Anesthesiology OrangeCA premium
1114233053 Dayal, Rakhi M.D. Pain Management OrangeCA premium
1538665864 Lean, Alexa MD Anesthesiology OrangeCA premium
1932386166 Shah, Shalini MD Anesthesiology OrangeCA premium
1083932255 Nelson, Ariana M.D. Anesthesiology IrvineCA premium
1336318070 Doeve, Karnadi CRNA Certified Registered Nurse Anesthetist (CRNA) CoronaCA premium
1639435357 Whitwell, Trevor Anesthesiology OrangeCA premium
1205237955 Vallejo, Guillermo CRNA Certified Registered Nurse Anesthetist (CRNA) OrangeCA premium
1063653111 Horn, Robert CRNA Certified Registered Nurse Anesthetist (CRNA) IrvineCA premium
1578757068 Raphael, Darren MD Anesthesiology OrangeCA premium
1508307869 Vo, Jean M.D. Anesthesiology OrangeCA premium
1184852360 Goldenberg, Emily M.D. Anesthesiology Los AngelesCA premium
1871052779 Hoang, Johnny MD Anesthesiology SacramentoCA premium
1649350703 Hollister, Christine MD Anesthesiology OrangeCA premium
1225533268 Amiri, Yamah MD Anesthesiology OrangeCA premium
1841752102 Ngo, Tuan MD Anesthesiology OrangeCA premium
1568925618 Nguyen, Brian MD Anesthesiology OrangeCA premium
1679916431 Shen, Jay MD Anesthesiology OrangeCA premium
1942520663 Yoshikawa, Gregory M.D. Anesthesiology OrangeCA premium
1710067806 Cellona, Ronald C MD Anesthesiology PlacentiaCA premium
1710481130 Meshkin, Alister MD Anesthesiology OrangeCA premium
1063713907 Cheng, Johnny CRNA Certified Registered Nurse Anesthetist (CRNA) Los AngelesCA premium
1215171467 Rahimian, Ramin M.D. Anesthesiology CoronaCA premium
1609188903 Broussard, Ashley M.D. Anesthesiology WashingtonDC premium
1891177242 Giafaglione, Sarah M.D. Anesthesiology OrangeCA premium
1669977484 Cho, Juliann M.D. Anesthesiology OrangeCA premium
1285617720 Vaughn, Douglas MD Anesthesiology San DiegoCA premium
1861784126 Paredes, Kyle Anesthesiology OrangeCA premium
1942436324 Kim, Robin M.D. Anesthesiology OrangeCA premium
1629410519 Luong, Eli MD Anesthesiology OrangeCA premium
1710067863 Harris, Anna L MD Anesthesiology OrangeCA premium
1295298339 Kim, Joseph MD Anesthesiology OrangeCA premium
1578604328 Vu, Trung MD Anesthesiology OrangeCA premium
1548285349 Rajan, Govind MD Anesthesiology Saint LouisMO premium
1235576653 Dang, Phat M.D. Anesthesiology OrangeCA premium
1457649865 Schwartz, Michael MD Anesthesiology OrangeCA premium
1598054470 Holland, Michael M.D. Anesthesiology SeattleWA premium
1093169047 Shah, Dipal Anesthesiology OrangeCA premium
1093081705 Lopez, Balbino MD Anesthesiology OrangeCA premium
1558641241 Subramani, Sudhakar MD Anesthesiology OrangeCA premium
1902301450 Senozan, Sean MD Anesthesiology ClevelandOH premium
1043338296 Ahn, Jane M.D. Anesthesiology StanfordCA premium
1316409204 Han, Christina MD Anesthesiology OrangeCA premium
1154734572 Rao, Sonali M.D. Anesthesiology OrangeCA premium
1710468574 Nwaezeapu, Kenneth CRNA Certified Registered Nurse Anesthetist (CRNA) OrangeCA premium
1447414727 Togashi, Kei M.D. Anesthesiology OrangeCA premium
1467532622 Morrison, Debra MD Anesthesiology OrangeCA premium
1952585895 Mehra, Naveen MD Anesthesiology OrangeCA premium
1306026562 Patel, Shaival MD Anesthesiology OrangeCA premium
1669956264 Carey, Kelby CRNA Certified Registered Nurse Anesthetist (CRNA) OrangeCA premium
1750539342 Strom, Suzanne MD Anesthesiology Los AngelesCA premium
1285687756 Tiwari, Anil MD Anesthesiology IrvineCA premium
1801980172 Vakharia, Shermeen MD Anesthesiology OrangeCA premium
1437295599 Chen, Shiu-Yi M.D. Anesthesiology OrangeCA premium
1659326874 Rinehart, Joseph MD Anesthesiology Newport BeachCA premium
1881985877 Elia, Jennifer M.D. Anesthesiology OrangeCA premium
1285195982 Kodumudi, Gopal Anesthesiology OrangeCA premium
1366792756 Schwaner, Megan CRNA Certified Registered Nurse Anesthetist (CRNA) Simi ValleyCA premium
1154448876 Franco, Carlo MD Anesthesiology OrangeCA premium
1184186314 Giraldo, Andres Anesthesiology OrangeCA premium
1659451706 Gimenez, Kimberly M MD Anesthesiology OrangeCA premium
1942981188 Hoi, Josiah Certified Registered Nurse Anesthetist (CRNA) OrangeCA premium
1295479368 Njoroge, Samuel CRNA Certified Registered Nurse Anesthetist (CRNA) WalnutCA premium
1316600729 Vos, Nicole Certified Registered Nurse Anesthetist (CRNA) OrangeCA premium
1548569866 Patel, Mona M.D. Anesthesiology OrangeCA premium
1679715510 Ricks, Cameron M.D. Anesthesiology WashingtonDC premium
1770061087 Kim, Hai CRNA Certified Registered Nurse Anesthetist (CRNA) OrangeCA premium
1487224978 Lu, Hope RN Certified Registered Nurse Anesthetist (CRNA) OrangeCA premium
1427737287 Nihei, Karli RN Certified Registered Nurse Anesthetist (CRNA) OrangeCA premium
1053893354 Bessette, Sandy CRNA Certified Registered Nurse Anesthetist (CRNA) OrangeCA premium
1871283309 Del Rio, Lauren Elizabeth CRNA Certified Registered Nurse Anesthetist (CRNA) OrangeCA premium
1336709088 Choi, Richard CRNA Certified Registered Nurse Anesthetist (CRNA) OrangeCA premium
1700059615 Field, Robert M.D. Anesthesiology OrangeCA premium
1609038793 Mccartney, Katherine M.D. Anesthesiology OrangeCA premium
1215508601 Winson, Paul Certified Registered Nurse Anesthetist (CRNA) OrangeCA premium
1164494274 Azar, Angela MD Anesthesiology OrangeCA premium
1801187091 Dhoon, Taizoon MD Anesthesiology OrangeCA premium
1770916793 Mcintyre, Jonathan RN, CRNA Certified Registered Nurse Anesthetist (CRNA) OrangeCA premium
1912537531 Howse, Marshall CRNA Certified Registered Nurse Anesthetist (CRNA) AustinTX premium
1447444930 Nasseri-Noori, Kevin MD Anesthesiology OrangeCA premium
1962023143 Bui, Maria Criselda Certified Registered Nurse Anesthetist (CRNA) OrangeCA premium
1386147106 Martinez, Lydiesther MD Anesthesiology Los AngelesCA premium
1003378944 Ideal, Miranda CRNA Certified Registered Nurse Anesthetist (CRNA) OrangeCA premium
1518198266 Lim, Mary CRNA Certified Registered Nurse Anesthetist (CRNA) OrangeCA premium
1053159897 Coeckelenbergh, Sean MD, PHD Anesthesiology OrangeCA premium
1619615606 Marten, Laura CRNA Certified Registered Nurse Anesthetist (CRNA) OrangeCA premium
1437790508 Nguyen, Eileen CRNA Certified Registered Nurse Anesthetist (CRNA) OrangeCA premium
1548439151 Pauzuolis, Karine RN, BSN, MSN, CRNA Certified Registered Nurse Anesthetist (CRNA) OrangeCA premium
1265453559 Cyriac, James MD Anesthesiology OrangeCA premium
1841713195 Degroot, James Certified Registered Nurse Anesthetist (CRNA) Fort IrwinCA premium
1871543785 Rosenbaum, Abraham MD Anesthesiology OrangeCA premium
1356876718 Brennan, John CRNA Certified Registered Nurse Anesthetist (CRNA) RiversideCA premium
1255726881 Hong, Samuel MD Anesthesiology Los AngelesCA premium
1558135061 Le, Audrey APRN-CRNA Certified Registered Nurse Anesthetist (CRNA) OrangeCA premium
1447444617 Nelson, Corey M.D. Anesthesiology PhiladelphiaPA premium
1285979187 Pham, Julie CRNA Certified Registered Nurse Anesthetist (CRNA) Santa AnaCA premium
1841291804 Abeyta, Brandon · member of 3 groups MD Anesthesiology TucsonAZ premium
1891342440 Baray, Rachel · member of 2 groups CRNA Certified Registered Nurse Anesthetist (CRNA) OrangeCA premium
1205457587 Bernal, Diana · member of 2 groups Certified Registered Nurse Anesthetist (CRNA) OrangeCA premium
1770147464 Bhakta, Harshal · member of 2 groups MD Anesthesiology SacramentoCA premium
1447732664 Clement, Brett · member of 2 groups CRNA Certified Registered Nurse Anesthetist (CRNA) OrangeCA premium
1194176404 Collins, Nathaniel · member of 2 groups M.D. Anesthesiology OrangeCA premium
1477811818 Crawford, Erin · member of 2 groups M.D. Anesthesiology Mission ViejoCA premium
1043983570 Creef, Nicole · member of 2 groups CRNA Certified Registered Nurse Anesthetist (CRNA) OrangeCA premium
1700402112 Dahlen, Brittney · member of 2 groups CRNA Certified Registered Nurse Anesthetist (CRNA) OrangeCA premium
1851325518 Diaconescu, Dragos · member of 4 groups M.D. Anesthesiology OrangeCA premium
1356006241 Dinh, Mindy · member of 2 groups DNP, CRNA Certified Registered Nurse Anesthetist (CRNA) OrangeCA premium
1780862375 Duarte, Julio · member of 2 groups MD Anesthesiology OrangeCA premium
1932375037 Falk, Cristina · member of 2 groups CRNA MSN Certified Registered Nurse Anesthetist (CRNA) TorranceCA premium
1356632392 Gerber, Jennifer · member of 2 groups M.D. Anesthesiology West HollywoodCA premium
1548999071 Guinoo, Ryan · member of 2 groups CRNA Certified Registered Nurse Anesthetist (CRNA) OrangeCA premium
1851822084 Kahn, James · member of 4 groups MD Anesthesiology OrangeCA premium
1043414139 Kaura, Claire · member of 3 groups M.D. Anesthesiology GilbertAZ premium
1346205663 Kelly, Richard · member of 3 groups MD Anesthesiology MontereyCA premium
1669669099 Kim, Taewu · member of 2 groups M.D. Anesthesiology OrangeCA premium
1871880195 Kim, Haine · member of 3 groups Anesthesiology OrangeCA premium
1174848626 Kolonda Kilpatrick, Fathima · member of 2 groups M.D. Anesthesiology OrangeCA premium
1164665204 Komanapalli, Esther · member of 2 groups MD Anesthesiology OrangeCA premium
1215431374 Krojanker, Elan · member of 2 groups MD Anesthesiology La JollaCA premium
1497289938 Kuo, Benjamin · member of 2 groups M.D. Anesthesiology Moreno ValleyCA premium
1578002689 Lange, Jared · member of 3 groups Certified Registered Nurse Anesthetist (CRNA) OrangeCA premium
1609027804 Lin, John · member of 3 groups M.D. Anesthesiology OrangeCA premium
1194365775 Ly, Hai · member of 3 groups CRNA Certified Registered Nurse Anesthetist (CRNA) OrangeCA premium
1033679469 Majd, Pejman · member of 3 groups MD Anesthesiology VenturaCA premium
1578075529 Mwenja, Jane · member of 2 groups CRNA Certified Registered Nurse Anesthetist (CRNA) OrangeCA premium
1083109797 Nguyen, Austin · member of 3 groups MD Anesthesiology OrangeCA premium
1053833350 Owens, Amy · member of 2 groups CRNA Certified Registered Nurse Anesthetist (CRNA) OrangeCA premium
1326374737 Pahlavani, Mehri · member of 2 groups CRNA Certified Registered Nurse Anesthetist (CRNA) Mission ViejoCA premium
1023174752 Park, Samuel · member of 2 groups MD Anesthesiology OrangeCA premium
1295787158 Peng, Lynnus · member of 2 groups MD Anesthesiology FullertonCA premium
1396701611 Reed, John · member of 2 groups M.D. Anesthesiology MchenryIL premium
1891157269 Reyes, Gabriel · member of 2 groups Anesthesiology La JollaCA premium
1295759439 Ryan, Timothy · member of 2 groups M.D. Anesthesiology OrangeCA premium
1336559293 Sauer, Christopher · member of 2 groups MD Anesthesiology OrangeCA premium
1871940510 Scheier, Evan · member of 2 groups Certified Registered Nurse Anesthetist (CRNA) AnaheimCA premium
1558909705 Shin, Albert · member of 3 groups Nurse Practitioner OrangeCA premium
1679653802 St Laurent, Carla · member of 5 groups MD Anesthesiology Fountain ValleyCA premium
1629692330 Tafoya, Denise · member of 4 groups Certified Registered Nurse Anesthetist (CRNA) OrangeCA premium
1871955708 Tafoya, Salvador · member of 3 groups CRNA Certified Registered Nurse Anesthetist (CRNA) Los AngelesCA premium
1609338029 Tan, Kevin · member of 2 groups MD Anesthesiology OrangeCA premium
1811316805 Villaluz, Joseph · member of 2 groups M.D. Anesthesiology OrangeCA 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.