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Compare the published Medicare service mix of Charmaine Guballa Silva-Gata, M.D with clinicians in the same registry specialty: Psychiatry.

VIRGINIA BEACH, VA · Exact areaEdit location

2024 published service data · 25 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Ubha Rayamajhi, M.D.

Psychiatry · Virginia Beach, VA

Shared published services
3 shared services · view billing descriptions
  • Psychotherapy with evaluation and management visit, 30 minutes (90833)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
  • Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)
100%Service-mix similarityView profile →

Nadia Mohamed El Fangary, M.D.

Psychiatry · Virginia Beach, VA

Shared published services
3 shared services · view billing descriptions
  • Psychotherapy with evaluation and management visit, 30 minutes (90833)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
  • Hospital discharge day management, more than 30 minutes (99239)
77%Service-mix similarityView profile →

Allan Scott Hamby, MD

Psychiatry · Virginia Beach, VA

Shared published services
3 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
  • Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)
  • Hospital discharge day management, more than 30 minutes (99239)
70%Service-mix similarityView profile →

Jennifer Ahn Hanner, M.D.

Psychiatry · Virginia Beach, VA

Shared published services
2 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
  • Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)
49%Service-mix similarityView profile →

Frinette Maria Barkhauer, M.D.

Psychiatry · Virginia Beach, VA

Shared published services
1 shared services · view billing descriptions
  • Psychotherapy with evaluation and management visit, 30 minutes (90833)
39%Service-mix similarityView profile →

Arun Jay Paul, M.D.

Psychiatry · Virginia Beach, VA

Shared published services
1 shared services · view billing descriptions
  • Psychotherapy with evaluation and management visit, 30 minutes (90833)
36%Service-mix similarityView profile →

Charles Kendrick Dunham, M.D.

Psychiatry · Virginia Beach, VA

Shared published services
1 shared services · view billing descriptions
  • Psychotherapy with evaluation and management visit, 30 minutes (90833)
34%Service-mix similarityView profile →

Andrew Kirk Pecsok

Psychiatry · Virginia Beach, VA

Shared published services
2 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
34%Service-mix similarityView profile →

Jessica Anne Gurley, M.D.

Psychiatry · Virginia Beach, VA

Shared published services
1 shared services · view billing descriptions
  • Psychotherapy with evaluation and management visit, 30 minutes (90833)
28%Service-mix similarityView profile →

Nandini Anilkumar Patel, MD

Psychiatry · Virginia Beach, VA

Shared published services
1 shared services · view billing descriptions
  • Psychotherapy with evaluation and management visit, 30 minutes (90833)
28%Service-mix similarityView profile →

William A Yetter, MD

Psychiatry · Virginia Beach, VA

Shared published services
1 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
26%Service-mix similarityView profile →

Leslie J Kryzanowski, M.D.

Psychiatry · Virginia Beach, VA

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)
24%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.