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Compare the published Medicare service mix of Callan Brownfield, MD with clinicians in the same registry specialty: Urology (CMS).

ATLANTA, GA · Exact areaEdit location

2024 published service data · 50 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Aaron David Weiss

Urology (CMS) · Atlanta, GA

Shared published services
3 shared services · view billing descriptions
  • Urinalysis, manual test (81002)
  • 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)
89%Service-mix similarityView profile →

Michelle S Sheng, MD

Urology (CMS) · Atlanta, GA

Shared published services
3 shared services · view billing descriptions
  • Urinalysis, manual test (81002)
  • 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)
82%Service-mix similarityView profile →

Nourhan Ismaeel

Urology (CMS) · Atlanta, GA

Shared published services
3 shared services · view billing descriptions
  • Urinalysis, manual test (81002)
  • 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)
76%Service-mix similarityView profile →

Steven Craig Brousell, M.D.

Urology (CMS) · Atlanta, GA

Shared published services
3 shared services · view billing descriptions
  • Urinalysis, manual test (81002)
  • 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)
73%Service-mix similarityView profile →

Brendan Browne

Urology (CMS) · Atlanta, GA

Shared published services
3 shared services · view billing descriptions
  • Urinalysis, manual test (81002)
  • 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)
71%Service-mix similarityView profile →

Rita Jen, MD

Urology (CMS) · Atlanta, GA

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)
  • Ultrasound measurement of bladder capacity after voiding (51798)
71%Service-mix similarityView profile →

John Pattaras, M.D.

Surgical Oncology · Urology (CMS) · Atlanta, GA

Shared published services
3 shared services · view billing descriptions
  • Urinalysis, manual test (81002)
  • 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)
70%Service-mix similarityView profile →

Bruce G Green, MD

Urology (CMS) · Atlanta, GA

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)
  • Diagnostic exam of bladder and urethra using an endoscope (52000)
67%Service-mix similarityView profile →

Shreyas Joshi, M.D.

Urology (CMS) · Atlanta, GA

Shared published services
3 shared services · view billing descriptions
  • Urinalysis, manual test (81002)
  • 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)
63%Service-mix similarityView profile →

Lindsey Marie Hartsell, M.D.

Urology (CMS) · Atlanta, GA

Shared published services
3 shared services · view billing descriptions
  • Urinalysis, manual test (81002)
  • 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)
62%Service-mix similarityView profile →

Aaron Lay

Urology (CMS) · Atlanta, GA

Shared published services
3 shared services · view billing descriptions
  • Urinalysis, manual test (81002)
  • 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)
61%Service-mix similarityView profile →

John Michael Drake, MD

Urology (CMS) · Atlanta, GA

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)
  • Ultrasound measurement of bladder capacity after voiding (51798)
61%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.