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Compare the published Medicare service mix of Patricia Alison Kreshin, MD with clinicians in the same registry specialty: Psychiatry.

LARKSPUR, CA · 10 milesEdit location
Within 10 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 · 18 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Rebecca Short-Fried, DO

Psychiatry · Corte Madera, CA

Shared published services
2 shared services · view billing descriptions
  • Psychotherapy with evaluation and management visit, 45 minutes (90836)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
85%Service-mix similarity~1.5 milesView profile →

Eric Weaver, MD

Psychiatry · Corte Madera, CA

Shared published services
2 shared services · view billing descriptions
  • Psychotherapy with evaluation and management visit, 45 minutes (90836)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
75%Service-mix similarity~1.5 milesView profile →

Brigitte Anneliese Apfel, M.D.

Psychiatry · Mill Valley, CA

Shared published services
1 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
71%Service-mix similarity~2.7 milesView profile →

Rebeca Leticia Quezada, MD

Psychiatry · San Rafael, CA

Shared published services
1 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
71%Service-mix similarity~2.7 milesView profile →

Nikhil Daniel Majumdar, M.D.

Psychiatry · San Rafael, CA

Shared published services
1 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
71%Service-mix similarity~2.7 milesView profile →

Arnold Knepfer, M.D.

Psychiatry · Corte Madera, CA

Shared published services
2 shared services · view billing descriptions
  • Psychotherapy with evaluation and management visit, 45 minutes (90836)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
63%Service-mix similarity~1.5 milesView profile →

Michael Adam Ciranni, M.D., PH.D.

Psychiatry · San Rafael, CA

Shared published services
1 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
57%Service-mix similarity~2.7 milesView profile →

Eleanor Rawlings Woodward

Psychiatry · Corte Madera, CA

Shared published services
1 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
45%Service-mix similarity~1.5 milesView profile →

Eugene L Schoenfeld, MD

Psychiatry · San Rafael, CA

Shared published services
1 shared services · view billing descriptions
  • Psychotherapy with evaluation and management visit, 45 minutes (90836)
43%Service-mix similarity~2.7 milesView profile →

Gurmehr Kaur, MD

Psychiatry · Greenbrae, CA

Shared published services
1 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
29%Service-mix similarity~0.9 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.