NEVVI Medicare utilization intelligence

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WEST HILLS ANESTHESIA AND PERIOPERATIVE PHYSICIANS

PAC 7719280007 Physician group
ANESTHESIOLOGY · WEST HILLS, CA · hospital-affiliated
Specialty ANESTHESIOLOGY — most common member specialty (multi-specialty groups carry one label; see Methods)
Footprint Registered in WEST HILLS, CA · bills Medicare in 2 states (CA, TN)
Scale 21 providers on the CMS registry roster · 52 codes billed (five-year data window) · 1,943 services (all billed codes, CY2024)
Medicare paid $245K · across all billed codes, CY2024, attributed & disclosed
Affiliation Hospital-affiliated — at least one member holds a hospital affiliation in the CMS registry
Contact (818) 676-4000 — 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 18Advanced-practice 0Other clinicians 0= 18 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 18 are the clinicians who billed in CY2024 — a subset of the all-time registry roster shown on the group's identity card.

Billed 19 of the group's 52 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
Data year: CY2024 CY2023 CY2022  CY2021  CY2020 

Provider volumes, all codes · CY2024

NPIProviderCredentialsTypeCitySt Services (all codes)
1073538708 Dishakjian, Raffi M.D. Anesthesiology West HillsCA
1144563206 Mathur, Surbhi MD Anesthesiology West HillsCA
1881190973 Chamberlain, Tiffany DO Anesthesiology West HillsCA
1588026033 Ruiz, Jorge MD Anesthesiology West HillsCA
1306883111 Belikov, Sergey M.D. Anesthesiology West HillsCA
1275820375 Tesmer, Magdalena D.O. Anesthesiology West HillsCA
1497013833 Said, Sherif Anesthesiology West HillsCA
1942384250 Ackerman, Stuart M.D. Anesthesiology West HillsCA
1275918013 Borna, Devin D.O. Anesthesiology West HillsCA
1285262154 Spotkov, Joshua DO Anesthesiology West HillsCA
1639193147 Huang, David MD Anesthesiology West HillsCA
1174901508 Abboud, Christine D.O. Anesthesiology Walnut CreekCA
1851826333 Besada, Stefan · member of 2 groups MD Anesthesiology Los AngelesCA
1841619244 Boyajian, Mark · member of 2 groups MD Anesthesiology EncinoCA
1487679189 Haddadian, Arto · member of 2 groups M.D. Anesthesiology West HillsCA
1508196247 Lloyd, Dustin · member of 2 groups DO Anesthesiology Thousand OaksCA
1205102035 Murphy, Sunberri · member of 4 groups D.O. Anesthesiology Los AngelesCA
1285193342 Progushev, Sergey · member of 4 groups MD Anesthesiology Los AngelesCA

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.