NEVVI Medicare utilization intelligence

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REGENTS OF THE UNIVERSITY OF CALIFORNIA AT BERKELEY

PAC 8628083110 Physician group
OPTOMETRY · BERKELEY, CA · hospital-affiliated
Specialty OPTOMETRY — most common member specialty (multi-specialty groups carry one label; see Methods)
Footprint Registered in BERKELEY, CA · bills Medicare in 1 state (CA)
Scale 61 providers on the CMS registry roster · 20 codes billed (five-year data window) · 3,169 services (all billed codes, CY2024)
Medicare paid $219K · across all billed codes, CY2024, attributed & disclosed
Affiliation Hospital-affiliated — at least one member holds a hospital affiliation in the CMS registry
Contact (510) 642-2020 — 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 28Advanced-practice 0Other clinicians 0= 28 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 28 are the clinicians who billed in CY2024 — a subset of the all-time registry roster shown on the group's identity card.

Billed 17 of the group's 20 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
1003941766 Jacobsen, Carl O.D. Optometry BerkeleyCA premium
1437205085 Whiteside, Meredith O.D. Optometry BerkeleyCA premium
1679861272 Chinea Gengler, Cheyenne O.D. Optometry MartinezCA premium
1376206177 Yeung, Sze Kei OD Optometry BerkeleyCA premium
1083029946 Fisher, Jennifer O.D. Optometry OaklandCA premium
1750543922 Lee, Debora O.D. Optometry BerkeleyCA premium
1295767176 Mcnamara, Nancy O.D. Optometry San FranciscoCA premium
1255597266 Chu, Marlena O.D. Optometry BerkeleyCA premium
1013172477 Green, Harry O.D. Optometry PlacervilleCA premium
1578630141 Johnson, Kathryn O.D. Optometry BerkeleyCA premium
1841975943 Mainieri, Samuel OD Optometry BerkeleyCA premium
1043640741 Tasaki, Anne O.D. Optometry BerkeleyCA premium
1619498656 Gong, Celia OD Optometry BerkeleyCA premium
1396180600 Lin, Meng O.D. Optometry BerkeleyCA premium
1457466674 Yoshiyama, Kerri O.D. Optometry BerkeleyCA premium
1700167061 Satjawatcharaphong, Pam O.D. Optometry FullertonCA premium
1659338952 Barez, Shirin · member of 2 groups MD Ophthalmology HaywardCA premium
1942366133 Chun, Stephen · member of 2 groups OD, FAAO Optometry BerkeleyCA premium
1386329183 Chung, Graham · member of 2 groups OD Optometry New YorkNY premium
1528252384 Kanai, Kuniyoshi · member of 3 groups O.D. Optometry BerkeleyCA premium
1609871961 Krohn, Jeffrey · member of 2 groups O.D. Optometry FresnoCA premium
1386363711 Lam, Sophia · member of 3 groups OD Optometry BerkeleyCA premium
1194987628 Lim, Mira · member of 2 groups M.D. Ophthalmology Walnut CreekCA premium
1891082913 Mason, Melanie · member of 2 groups O.D. Optometry LivermoreCA premium
1144924804 Medina, Valery · member of 3 groups OD Optometry BerkeleyCA premium
1871258210 Nassiri Tousi, Maryam · member of 3 groups Ophthalmology BerkeleyCA premium
1821132143 Ong, Winson · member of 3 groups O.D. Optometry BrentwoodCA premium
1902012362 Wang, Lillian · member of 2 groups O.D. Optometry MoragaCA 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.