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CAN EMERGENCY PHYSICIANS MEDICAL GROUP INC

PAC 8820304462 Physician group
EMERGENCY MEDICINE · LOS ANGELES, CA · hospital-affiliated
Specialty EMERGENCY MEDICINE — most common member specialty (multi-specialty groups carry one label; see Methods)
Footprint Registered in LOS ANGELES, CA · bills Medicare in 2 states (CA, IL)
Scale 52 providers on the CMS registry roster · 26 codes billed (five-year data window) · 8,968 services (all billed codes, CY2024)
Medicare paid $891K · across all billed codes, CY2024, attributed & disclosed
Affiliation Hospital-affiliated — at least one member holds a hospital affiliation in the CMS registry
Contact (213) 977-2420 — 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 39Advanced-practice 8Other clinicians 0= 47 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 47 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 26 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
1477808509 Rojas, Alan M.D. Internal Medicine Los AngelesCA premium
1619034725 Derderian, Hrak M.D. Emergency Medicine West HillsCA premium
1790711588 Ng, Christopher MD Emergency Medicine Los AngelesCA premium
1891745527 Oblitas, Daniel M.D. Emergency Medicine Los AngelesCA premium
1861437816 Fower, Frank M.D.,FACEP Emergency Medicine ModestoCA premium
1912352170 Mathur, Meghan M.D. Emergency Medicine ChicagoIL premium
1881634129 Saelee, Samuel MD Emergency Medicine AnaheimCA premium
1467999862 Mulevicz, Joseph N.P. Nurse Practitioner Los AngelesCA premium
1700806981 Ng, Fergus MD Internal Medicine TustinCA premium
1477887206 Ayvazyan, Vladimir M.D. Internal Medicine BurbankCA premium
1649717844 Simonton, Marzieh Nurse Practitioner La HabraCA premium
1437829058 Siy, Mitchell DNP Nurse Practitioner AnaheimCA premium
1295371748 Ovsepyan, Anait RN, BSN, FNP-C Nurse Practitioner SylmarCA premium
1376585042 Abudu, Assibi · member of 2 groups M.D. Emergency Medicine South El MonteCA premium
1750310967 Au Hargraves, Katherine · member of 4 groups MD Emergency Medicine Salt Lake CityUT premium
1720348410 Bauer, Stephen · member of 2 groups M.D. Emergency Medicine Los AngelesCA premium
1548366362 Casares, Michael · member of 2 groups M.D. Emergency Medicine MassenaNY premium
1326456120 Chavez, Mario Alfredo · member of 2 groups Nurse Practitioner Los AngelesCA premium
1356384820 Cheng, Charles · member of 2 groups M.D. Emergency Medicine AnaheimCA premium
1932166972 Cook, Alfred · member of 2 groups MD Emergency Medicine GlendoraCA premium
1528285087 De La Torre, James · member of 3 groups MD Emergency Medicine BellflowerCA premium
1790727162 Edalat, Keivan · member of 2 groups MD Emergency Medicine GardenaCA premium
1619956976 Fosbinder, John · member of 2 groups D.O. Emergency Medicine BakersfieldCA premium
1023495330 Gao, Han · member of 2 groups M.D. Emergency Medicine RochesterNY premium
1760423891 Garcia, Pamela · member of 2 groups D.O. Emergency Medicine AnaheimCA premium
1336875061 Ham, Sonny · member of 3 groups Nurse Practitioner North HillsCA premium
1508390782 Hunt-Heinzen, Elyse · member of 5 groups M.D Emergency Medicine MorristownNJ premium
1437470465 Jones, Andrew · member of 2 groups M.D., M.S. Hospitalist Las VegasNV premium
1215998737 Keum, Jacob Sung · member of 4 groups D.O. Emergency Medicine KeokukIA premium
1427004621 Lieberman, Ronald · member of 3 groups M.D. Emergency Medicine Los AngelesCA premium
1942241187 Lin, David · member of 3 groups MD Emergency Medicine WhittierCA premium
1750368577 Louden, Mark · member of 3 groups MD Emergency Medicine MiamiFL premium
1255351573 Mcnamara, Bernard · member of 2 groups MD Emergency Medicine GlendaleCA premium
1912214503 Medani, Khalid · member of 5 groups M.D. Neurosurgery Los AngelesCA premium
1003965153 Obiekwe, Samuel · member of 6 groups M.D. Emergency Medicine San DiegoCA premium
1699023929 Pataky, Morris · member of 2 groups M.D. Emergency Medicine BronxNY premium
1376005223 Radparvar, Joshua · member of 2 groups Emergency Medicine RidgecrestCA premium
1427475599 Ruiz, Raymond Ryan · member of 3 groups M.D. Emergency Medicine PalmdaleCA premium
1366985129 Shin, Yong · member of 2 groups Nurse Practitioner FullertonCA premium
1629305479 Stone, Michael · member of 2 groups D.O. Emergency Medicine NorwalkCA premium
1083705628 Thomas, David · member of 2 groups MD Emergency Medicine PlacentiaCA premium
1497117790 Vanmali, Atish · member of 5 groups M.D. Family Practice BakersfieldCA premium
1740741891 Villacorta, Jose · member of 3 groups MD Emergency Medicine BoardmanOH premium
1093773616 Wade, Jeffrey · member of 4 groups MD Emergency Medicine DuarteCA premium
1851346548 Whang, S. · member of 3 groups M.D. Emergency Medicine Los AngelesCA premium
1679146831 Yaing, Lisa · member of 2 groups NP Nurse Practitioner Los AngelesCA premium
1952808495 Zeng, Kevin · member of 2 groups MD Emergency Medicine BrooklynNY 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.