NEVVI Medicare utilization intelligence

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DAVID C P CHEN, M.D., INC

PAC 0941196422 Provider group
DIAGNOSTIC RADIOLOGY · SAN GABRIEL, CA · hospital-affiliated
Specialty DIAGNOSTIC RADIOLOGY — most common member specialty (multi-specialty groups carry one label; see Methods)
Footprint Registered in SAN GABRIEL, CA · bills Medicare in 2 states (CA, PA)
Scale 19 providers on the CMS registry roster · 60 codes billed (five-year data window) · 2,295 services (all billed codes, CY2024)
Medicare paid $210K · across all billed codes, CY2024, attributed & disclosed
Affiliation Hospital-affiliated — at least one member holds a hospital affiliation in the CMS registry
Contact (626) 287-6746 — 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 14Advanced-practice 0Other clinicians 0= 14 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 14 are the clinicians who billed in CY2024 — a subset of the all-time registry roster shown on the group's identity card.

Billed 10 of the group's 60 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)
1093739021 Yen, Greg M.D. Cardiology San GabrielCA
1285929067 Chan, Michael · member of 3 groups M.D. Diagnostic Radiology San DiegoCA
1649303603 Chithriki, Mamata · member of 4 groups MD Diagnostic Radiology Los AngelesCA
1851657076 Gunasekaran, Senthil · member of 16 groups MD Diagnostic Radiology GlendaleCA
1518928829 Kok, Yih · member of 2 groups M.D. Cardiology San GabrielCA
1548767585 Law, Kenny · member of 9 groups MD Diagnostic Radiology OrangeCA
1417375486 Lee, Andrew · member of 10 groups M.D. Diagnostic Radiology OrangeCA
1790906816 Lee, Dan · member of 2 groups MD Diagnostic Radiology AnaheimCA
1891722997 Lee, Thomas · member of 4 groups M.D. Diagnostic Radiology AnaheimCA
1336223262 Liu, Darice · member of 4 groups M.D. Interventional Radiology OrangeCA
1053668608 Nguyen, Tan · member of 4 groups M.D. Diagnostic Radiology AnaheimCA
1336163732 Omiya, Bruce · member of 3 groups M.D. Diagnostic Radiology AnaheimCA
1447477054 Pang, Jason · member of 3 groups M.D. Diagnostic Radiology OrangeCA
1629036819 Sun, Julie · member of 4 groups M.D. Diagnostic Radiology DowneyCA

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.