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Compare the published Medicare service mix of Steven Patterson Ash, M.D. with clinicians in the same registry specialty: Urology (CMS).

GRAPEVINE, TX · Exact areaEdit location

2024 published service data · 5 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Nathan Lynn Graves, M.D.

Urology (CMS) · Grapevine, TX

Shared published services
3 shared services · view billing descriptions
  • Detection test by nucleic acid for organism, amplified probe technique (87798)
  • Manual urinalysis test with examination using microscope, automated (81001)
  • Creatinine level to test for kidney function or muscle injury (82570)
88%Service-mix similarityView profile →

Christopher M Pace, MD

Urology (CMS) · Grapevine, TX

Shared published services
3 shared services · view billing descriptions
  • Detection test by nucleic acid for organism, amplified probe technique (87798)
  • Detection test for candida species (yeast), amplified probe technique (87481)
  • Detection test by nucleic acid for staphylococcus aureus (bacteria), amplified probe technique (87640)
35%Service-mix similarityView profile →

Scott David Davidson, M.D.

Urology (CMS) · Grapevine, TX

Shared published services
3 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)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Limited ultrasound scan behind abdominal cavity (76775)
19%Service-mix similarityView profile →

Bryan Christophe Bruner, MD

Urology (CMS) · Grapevine, TX

Shared published services
3 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)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Limited ultrasound scan behind abdominal cavity (76775)
15%Service-mix similarityView profile →

Patrick R Frey, MD

Urology (CMS) · Grapevine, TX

Shared published services
3 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)
  • 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)
15%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.