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Compare the published Medicare service mix of Artur Ambartsumyan, PA with clinicians in the same registry specialty: Physician Assistant (CMS).

CA · Exact areaEdit location

2024 published service data · 500 eligible profiles compared. This search reached its 500-profile comparison limit, using NPI order. Narrow the location for a more focused comparison. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

William Arend, P.A.

Physician Assistant (CMS) · San Diego, CA

Shared published services
2 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
50%Service-mix similarityView profile →

Oswaldo Huerta Franco, PA-C

Physician Assistant (CMS) · Los Angeles, CA

Shared published services
2 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
43%Service-mix similarityView profile →

Lena Zaki Sarsam, PA-C

Physician Assistant (CMS) · Temecula, CA

Shared published services
2 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
41%Service-mix similarityView profile →

Javad Javadi Khomami, PA

Physician Assistant (CMS) · Huntington Beach, CA

Shared published services
2 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
40%Service-mix similarityView profile →

Hema Majeno, PHYSICIAN ASSISTANT

Physician Assistant (CMS) · Coarsegold, CA

Shared published services
2 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
38%Service-mix similarityView profile →

Kellan Kalbaugh, PA-C

Physician Assistant (CMS) · San Luis Obispo, CA

Shared published services
3 shared services · view billing descriptions
  • Partial removal of spine bone with release of spinal cord and/or nerves, each additional segment (63048)
  • Fusion of additional segment of spine (22614)
  • Placement of stabilizing device to back, 3-6 spine bone segments (22842)
36%Service-mix similarityView profile →

Kate Ashley Ellis, PA-C

Physician Assistant (CMS) · Red Bluff, CA

Shared published services
2 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
36%Service-mix similarityView profile →

Jorge Antonio Espinoza, PHYSICIAN ASSISTANT

Physician Assistant (CMS) · Los Angeles, CA

Shared published services
1 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
36%Service-mix similarityView profile →

Bernadette Beatrice Gonzalez, PA

Physician Assistant (CMS) · West Hollywood, CA

Shared published services
2 shared services · view billing descriptions
  • Partial removal of spine bone with release of spinal cord and/or nerves, each additional segment (63048)
  • Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment (63047)
32%Service-mix similarityView profile →

Theresa Schmitz, P.A.

Physician Assistant (CMS) · Hidden Valley Lake, CA

Shared published services
2 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
30%Service-mix similarityView profile →

Ron Frank Poli, P.A.

Specialty details in registry · Anderson, CA

Shared published services
1 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
30%Service-mix similarityView profile →

Erika Ann Mendes-Jones, PA-C

Physician Assistant (CMS) · Hanford, CA

Shared published services
1 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
29%Service-mix similarityView profile →
How this comparison works

We use the same calendar year of CMS Medicare Physician & Other Practitioners data for both providers. Published non-drug service counts are combined by HCPCS code across places of service. We apply log(1 + count), normalize the vectors, and compare them using cosine similarity.

Candidates share the reference provider’s current NPPES primary taxonomy and match the location you enter. We examine up to 500 candidates in NPI order, then show up to 12 with the highest positive similarity within that set. The score is not a percentile, medical recommendation, or prediction. Suppressed services are not estimated. Medicare fee-for-service data does not describe a provider’s entire practice.

Source: CMS Medicare Physician & Other Practitioners - by Provider and Service : 2024-12-01 · Published May 21, 2026.