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THE REGENTS OF THE UNIVERSITY OF CALIFORNIA

PAC 3678545431 Physician group
UROLOGY · LOS ANGELES, CA · hospital-affiliated
Specialty UROLOGY — most common member specialty (multi-specialty groups carry one label; see Methods)
Footprint Registered in LOS ANGELES, CA · bills Medicare in 3 states (CA, FL, MA)
Scale 48 providers on the CMS registry roster · 108 codes billed (five-year data window) · 80,538 services (all billed codes, CY2024)
Medicare paid $3.4M · across all billed codes, CY2024, attributed & disclosed
Affiliation Hospital-affiliated — at least one member holds a hospital affiliation in the CMS registry
Contact (310) 794-8492 — 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 34Advanced-practice 2Other clinicians 0= 36 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 36 are the clinicians who billed in CY2024 — a subset of the all-time registry roster shown on the group's identity card.

Billed 85 of the group's 108 codes this year, across 1 state (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
1003800806 Nitti, Victor M.D. Urology Los AngelesCA premium
1538371679 Baxter, Zachery M.D. Urology Santa MonicaCA premium
1942321393 Kim, Ja-Hong MD Urology Los AngelesCA premium
1811037450 Marks, Leonard M.D. Urology Los AngelesCA premium
1962478420 Chamie, Karim M.D. Urology Los AngelesCA premium
1548036817 Cardenas, Michelle NP Nurse Practitioner Los AngelesCA premium
1356578066 Chin, Arnold MD, PHD Urology Los AngelesCA premium
1407299225 Pannell, Stephanie Urology Los AngelesCA premium
1760610711 Ackerman, Anne M.D. Urology Los AngelesCA premium
1831269851 Yao, David M.D. Urology Santa MonicaCA premium
1689092728 Elkhoury, Fuad M.D. Urology Santa MonicaCA premium
1780902015 Donin, Nicholas M.D. Urology BurbankCA premium
1639104326 Dunn, Matthew M.D. Urology Santa MonicaCA premium
1922481167 Yaghoubian, Alan MD Urology ValenciaCA premium
1114169760 Wallner, Caroline M.D. Urology BurbankCA premium
1487751798 Rettig, Matthew MD Hematology-Oncology Los AngelesCA premium
1346583176 Brisbane, Wayne M.D. Urology Los AngelesCA premium
1841219656 Saigal, Christopher MD Urology Los AngelesCA premium
1417187162 Hannoun, Donald M.D. Urology LancasterCA premium
1346269297 Reiter, Robert MD Urology Los AngelesCA premium
1386663227 Pantuck, Allan MD Urology Los AngelesCA premium
1164722450 Ng, Gladys MD,MPH Urology BurbankCA premium
1134370422 Shuch, Brian MD Urology Los AngelesCA premium
1093005787 Scotland, Kymora MD Urology Los AngelesCA premium
1801505441 Stothers, Mary-Ann MD Urology Santa MonicaCA premium
1578560413 Ehrlich, Richard MD, FACS, FAAP Urology Los AngelesCA premium
1356369946 Litwin, Mark MD Urology Los AngelesCA premium
1053446310 Veale, Jeffrey M.D. Urology Los AngelesCA premium
1720006976 Gritsch, Hans MD Urology Los AngelesCA premium
1821450974 Nassiri, Nima M.D. Urology Los AngelesCA premium
1730107343 Lerman, Steven MD Urology Los AngelesCA premium
1992972897 Drakaki, Alexandra · member of 2 groups M.D Hematology-Oncology Santa MonicaCA premium
1548440027 Eggener, Scott · member of 3 groups Urology ChicagoIL premium
1699015388 Eleswarapu, Sriram · member of 2 groups M.D., PH.D. Urology BurbankCA premium
1861156192 Lansang, Kristina · member of 2 groups Nurse Practitioner Los AngelesCA premium
1548558067 Pooli, Aydin · member of 7 groups MD Urology Los AngelesCA 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.