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Compare the published Medicare service mix of Alyssa Maria Parian, MD with clinicians in the same registry specialty: Gastroenterology (CMS).

BALTIMORE, MD · Exact areaEdit location

2024 published service data · 91 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Michelle Ma, MD

Gastroenterology (CMS) · Baltimore, MD

Shared published services
3 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
  • Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)
  • Biopsy of large bowel using a flexible endoscope (45380)
87%Service-mix similarityView profile →

Nathalie H. Urrunaga, MD

Gastroenterology · Internal Medicine (CMS) · Baltimore, MD

Shared published services
3 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
  • Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)
  • Biopsy of large bowel using a flexible endoscope (45380)
84%Service-mix similarityView profile →

Zurabi Lominadze, M.D.

Gastroenterology · Internal Medicine (CMS) · Baltimore, MD

Shared published services
3 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
  • Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)
  • Biopsy of large bowel using a flexible endoscope (45380)
83%Service-mix similarityView profile →

Neha R. Jakhete, MD

Gastroenterology · Internal Medicine (CMS) · Baltimore, MD

Shared published services
3 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
  • Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)
  • Biopsy of large bowel using a flexible endoscope (45380)
83%Service-mix similarityView profile →

Aline Charabaty-Pishvaian

Gastroenterology · Internal Medicine (CMS) · Baltimore, MD

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)
  • Biopsy of large bowel using a flexible endoscope (45380)
  • Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)
73%Service-mix similarityView profile →

Megan Murphy, MD

Gastroenterology (CMS) · Baltimore, MD

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)
  • Biopsy of large bowel using a flexible endoscope (45380)
  • Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)
70%Service-mix similarityView profile →

Joanna Miller Peloquin Melia, M.D.

Gastroenterology · Internal Medicine (CMS) · Baltimore, MD

Shared published services
3 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
  • Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)
  • Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)
69%Service-mix similarityView profile →

Po-Hung Chen, M.D.

Gastroenterology · Internal Medicine (CMS) · Baltimore, MD

Shared published services
3 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
  • Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)
  • Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)
68%Service-mix similarityView profile →

James Peter Adam Hamilton, M.D.

Gastroenterology · Internal Medicine (CMS) · Baltimore, MD

Shared published services
3 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
  • Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)
  • Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)
65%Service-mix similarityView profile →

Zara Manuelyan, M.D.

Gastroenterology · Internal Medicine (CMS) · Baltimore, MD

Shared published services
3 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
  • Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)
  • Biopsy of large bowel using a flexible endoscope (45380)
64%Service-mix similarityView profile →

Ashish Nimgaonkar

Gastroenterology · Internal Medicine (CMS) · Baltimore, MD

Shared published services
3 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
  • Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)
  • Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)
61%Service-mix similarityView profile →

Anusha Vittal, M.B.B.S

Gastroenterology (CMS) · Baltimore, MD

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)
  • Biopsy of large bowel using a flexible endoscope (45380)
  • Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)
60%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.