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Compare the published Medicare service mix of Philip Andrew Knorr, M.D. with clinicians in the same registry specialty: Urology (CMS).

FREEDOM, CA · 25 milesEdit location
Within 25 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 · 33 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Peter Noneng Bretan, M.D.

Urology (CMS) · Salinas, CA

Shared published services
3 shared services · view billing descriptions
  • Urinalysis, manual test (81002)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Injection of drug or substance under skin or into muscle (96372)
83%Service-mix similarity~19.6 milesView profile →

David H.c. King, M.D.

General Surgery · Urology (CMS) · Los Gatos, CA

Shared published services
3 shared services · view billing descriptions
  • Urinalysis, manual test (81002)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Injection of drug or substance under skin or into muscle (96372)
72%Service-mix similarity~23.3 milesView profile →

Daniel James Greene, M.D.

Urology (CMS) · Santa Cruz, CA

Shared published services
3 shared services · view billing descriptions
  • Urinalysis, manual test (81002)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Injection of drug or substance under skin or into muscle (96372)
72%Service-mix similarity~12.6 milesView profile →

Amir Saffarian, M.D.

Urology (CMS) · Morgan Hill, CA

Shared published services
3 shared services · view billing descriptions
  • Urinalysis, manual test (81002)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
61%Service-mix similarity~15.5 milesView profile →

David Theodore Greenwald, M.D.

Urology (CMS) · Santa Cruz, CA

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Injection of drug or substance under skin or into muscle (96372)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
61%Service-mix similarity~12.6 milesView profile →

Mark Andrew Rosen, M.D.

Urology (CMS) · Santa Cruz, CA

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Injection of drug or substance under skin or into muscle (96372)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
60%Service-mix similarity~12.6 milesView profile →

Caleb Seufert, M.D.

Urology (CMS) · San Jose, CA

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)
59%Service-mix similarity~21.6 milesView profile →

Alex Kasman

Urology (CMS) · Santa Cruz, CA

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Injection of drug or substance under skin or into muscle (96372)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
59%Service-mix similarity~12.6 milesView profile →

Jonathan C Hu, MD

Urology (CMS) · Santa Cruz, CA

Shared published services
3 shared services · view billing descriptions
  • Urinalysis, manual test (81002)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
59%Service-mix similarity~12.6 milesView profile →

Andrea Anpei Chan, M. D.

Urology (CMS) · Monterey, CA

Shared published services
3 shared services · view billing descriptions
  • Urinalysis, manual test (81002)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
58%Service-mix similarity~24.8 milesView profile →

Leonard George Renfer, MD

Radiation Oncology · Urology (CMS) · Salinas, CA

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Injection of drug or substance under skin or into muscle (96372)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
56%Service-mix similarity~19.6 milesView profile →

Damien L Smith, MD

Urology (CMS) · Santa Cruz, CA

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Injection of drug or substance under skin or into muscle (96372)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
54%Service-mix similarity~12.6 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.