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THE REGENTS OF THE UNIVERSITY OF CALIFORNIA

PAC 1456255959 Physician group
NEUROLOGY · LOS ANGELES, CA · hospital-affiliated
Specialty NEUROLOGY — most common member specialty (multi-specialty groups carry one label; see Methods)
Footprint Registered in LOS ANGELES, CA · bills Medicare in 4 states (CA, MA, NV, OR)
Scale 102 providers on the CMS registry roster · 94 codes billed (five-year data window) · 165,195 services (all billed codes, CY2024)
Medicare paid $2.7M · across all billed codes, CY2024, attributed & disclosed
Affiliation Hospital-affiliated — at least one member holds a hospital affiliation in the CMS registry
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 72Advanced-practice 6Other clinicians 1= 79 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 79 are the clinicians who billed in CY2024 — a subset of the all-time registry roster shown on the group's identity card.

Billed 71 of the group's 94 codes this year, across 2 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
1093981276 Johnston, Mollie M.D. Neurology Los AngelesCA premium
1750766150 Moreno, Angel NP Nurse Practitioner Los AngelesCA premium
1558346130 Ravin, Paula M.D. Neurology Los AngelesCA premium
1659735074 Pak, Peony Neurology Los AngelesCA premium
1568639573 Menezes, Krishe MD Neurology Los AngelesCA premium
1447783626 Love, Shawn M.D. Neurology Los AngelesCA premium
1447577945 Keener, Adrienne M.D. Neurology Los AngelesCA premium
1164717385 Hesterman, Chelsea M.D. Neurology Los AngelesCA premium
1801453162 Minota Pacheco, Karla MD Neurology Los AngelesCA premium
1972041671 Fensterwald, Molly Neurology Los AngelesCA premium
1043743362 Fu, Katherine M.D. Neurology Los AngelesCA premium
1003075037 Keselman, Inna M.D., PH.D Neurology Los AngelesCA premium
1578589727 Nuwer, Marc MD Neurology Los AngelesCA premium
1447232731 Tramo, Mark MD PHD Neurology Thousand OaksCA premium
1588906606 Samarasinghe, Ranmal M.D., PH.D. Neurology Los AngelesCA premium
1790917086 Su, Michael M.D. Neurology Los AngelesCA premium
1245773670 Diaz-Navarro, Lupita NP Nurse Practitioner Los AngelesCA premium
1689061731 Halabi, Anasheh MD, PHD Neurology Los AngelesCA premium
1972545085 Sharma, Latisha M.D. Neurology Los AngelesCA premium
1144286162 Eliashiv, Dawn M.D. Neurology Los AngelesCA premium
1588683395 Shieh, Perry MD Neurology Los AngelesCA premium
1245745579 Karasozen, Yigit MD Neurology Los AngelesCA premium
1114940731 Bronstein, Jeff MD Neurology Los AngelesCA premium
1164440442 Stern, John MD Neurology Los AngelesCA premium
1659506491 Soltanzadeh, Payam MD Neurology Los AngelesCA premium
1649777988 Kim, Marie MD PHD Neurology Los AngelesCA premium
1962420240 Schrader, Lara MD Neurology Los AngelesCA premium
1104208636 Cross, Kathryn M.D., PH.D. Neurology Los AngelesCA premium
1154437069 Avidan, Alon MD Neurology Los AngelesCA premium
1174927594 Parand, Leila MD Neurology Los AngelesCA premium
1154769933 Zeiger, William M.D. Neurology Los AngelesCA premium
1356369730 Saver, Jeffrey MD Neurology Los AngelesCA premium
1467529461 Shaner, David MD Neurology Los AngelesCA premium
1750306593 Lai, Albert MD Neurology Los AngelesCA premium
1235164245 Sedat, Nancy Speech Language Pathologist Los AngelesCA premium
1154356053 Cloughesy, Timothy MD Neurology Los AngelesCA premium
1932346301 Raychev, Radoslav MD Vascular Surgery AnaheimCA premium
1114945474 Perlman, Susan MD Neurology Los AngelesCA premium
1194083105 Bahr Hosseini, Mersedeh Neurology SpringfieldOR premium
1871519017 Nghiemphu, Phioanh MD Neurology Los AngelesCA premium
1700884905 Kowell, Arthur M.D. Neurology EncinoCA premium
1437182292 Zimnowodzki, Simon M.D. Neurology Los AngelesCA premium
1730104266 Engel, Jerome MD Neurology Los AngelesCA premium
1710383146 Chang, Timothy M.D., PH.D. Neurology Los AngelesCA premium
1174936546 Mazumder, Rajarshi M.D., M.P.H. Neurology Los AngelesCA premium
1740623289 Arac, Ahmet M.D. Neurology Los AngelesCA premium
1407202567 Chong, Robert M.D., PH.D. Neurology Los AngelesCA premium
1184982027 Rexach, Jessica M.D., PH.D Neurology Los AngelesCA premium
1649632787 Mendizabal, Adys M.D. Neurology Los AngelesCA premium
1629289178 Fogel, Brent M.D Neurology Los AngelesCA premium
1528085099 Singer, Elyse MD Neurology Los AngelesCA premium
1861415614 Mendez, Mario MD Neuropsychiatry Los AngelesCA premium
1851782783 Adrissi, Jennifer MD Neurology Los AngelesCA premium
1861719742 Williamson, Eric MD Neurology Los AngelesCA premium
1780004325 Kern, Kyle M.D. Neurology Los AngelesCA premium
1801274139 Bickart, Kevin M.D./PH.D. Neurology Los AngelesCA premium
1184229668 Bakir, Maral ACNP AGACNP-BC Nurse Practitioner Los AngelesCA premium
1063437879 Flippen, Charles MD Neurology Los AngelesCA premium
1477633568 Cramer, Steven MD Neurology Los AngelesCA premium
1649546128 Wilson, Andrew Neurology Los AngelesCA premium
1295239879 Pasqua, Jessica MD Neurology Los AngelesCA premium
1730190273 Subramanian, Indu MD Neurology Los AngelesCA premium
1992720379 Amos, Edwin · member of 2 groups MD Neurology Santa MonicaCA premium
1033386537 Buitrago Blanco, Manuel · member of 2 groups M.D, PH.D. Neurology Los AngelesCA premium
1962964387 Connerney, Michael · member of 4 groups MD Neurology Los AngelesCA premium
1376842898 Darby, Adam · member of 3 groups Neurology Los AngelesCA premium
1679190110 Huynh-Tran, Thanh-Liem · member of 2 groups M.D. Neurology Los AngelesCA premium
1639194038 Ishiyama, Gail · member of 2 groups MD Neurology Los AngelesCA premium
1689930034 Kamins, Joshua · member of 2 groups M.D. Neurology Los AngelesCA premium
1497240220 Lee, John · member of 4 groups Diagnostic Radiology Los AngelesCA premium
1366679508 Nour, May · member of 3 groups MD Neurology Los AngelesCA premium
1811381882 Nwaobi, Sinifunanya · member of 2 groups MD, PHD Neurology Los AngelesCA premium
1982790085 Reider-Demer, Melissa · member of 2 groups PNP Nurse Practitioner Los AngelesCA premium
1679988695 Sanchez Lopez, Alejandra · member of 2 groups M.D. Geriatric Medicine Los AngelesCA premium
1336503572 Siegel, Cara · member of 2 groups M.D. Hospitalist Los AngelesCA premium
1578977039 Stander, Kelsey · member of 2 groups NP Nurse Practitioner Los AngelesCA premium
1992716435 Vespa, Paul · member of 2 groups MD Neurology Los AngelesCA premium
1841207560 Wherry, Carl · member of 2 groups NP Nurse Practitioner Los AngelesCA premium
1528086824 Wiedau, Martina · member of 2 groups MD Neurology 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.