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Compare the published Medicare service mix of Thomas M Cunningham, M.D. with clinicians in the same registry specialty: Cardiovascular Disease (Cardiology) (CMS).

SEBASTOPOL, CA · 50 milesEdit location
Within 50 miles · Approximate ZIP-area distance

Approximate straight-line distances between ZIP-area centers; a city search starts from the average of its ZIP centers. Uses the primary reported practice ZIP, not an exact office address or driving distance. Records without matched coordinates are excluded. How distance works

2024 published service data · 53 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

John W Riordan, MD

Nephrology (CMS) · San Francisco, CA

Shared published services
2 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
  • Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)
44%Service-mix similarity~47.5 milesView profile →

Jill Harrell, MD

Orthopedic Surgery (CMS) · Oakland, CA

Shared published services
2 shared services · view billing descriptions
  • Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)
  • Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)
25%Service-mix similarity~49.7 milesView profile →

Jeong Sik Park, M.D.

Cardiovascular Disease (Cardiology) (CMS) · Clearlake, CA

Shared published services
1 shared services · view billing descriptions
  • Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)
23%Service-mix similarity~40.1 milesView profile →

Bobbie Head, M.D., PHD

Hematology · Hematology/Oncology · Medical Oncology (CMS) · Greenbrae, CA

Shared published services
2 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
  • Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)
21%Service-mix similarity~35.0 milesView profile →

Bertrand Y Tuan, M.D.

Hematology/Oncology (CMS) · San Francisco, CA

Shared published services
2 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
  • Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)
19%Service-mix similarity~47.5 milesView profile →

Ingrid Juliana Block-Kurbisch, M.D.

Endocrinology · Internal Medicine (CMS) · San Francisco, 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)
16%Service-mix similarity~48.3 milesView profile →

Mark Silvert, MD

Urology (CMS) · San Pablo, CA

Shared published services
2 shared services · view billing descriptions
  • Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)
  • Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)
16%Service-mix similarity~39.9 milesView profile →

Ari D Baron, M.D.

Hematology/Oncology (CMS) · San Francisco, CA

Shared published services
2 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
  • Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)
15%Service-mix similarity~47.5 milesView profile →

Ripple Sharma, M.D.

Gastroenterology (CMS) · Greenbrae, CA

Shared published services
1 shared services · view billing descriptions
  • Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)
11%Service-mix similarity~35.0 milesView profile →

Steven Eric Siegal, M.D.

Orthopedic Surgery (CMS) · Fairfield, CA

Shared published services
1 shared services · view billing descriptions
  • Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)
9%Service-mix similarity~44.2 milesView profile →

Kevin Michael Man, M.D.

Gastroenterology · Internal Medicine (CMS) · San Francisco, CA

Shared published services
1 shared services · view billing descriptions
  • Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)
6%Service-mix similarity~48.3 milesView 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 approximate distance 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.