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Compare the published Medicare service mix of Nicholas Perez Martinez, M.D. with clinicians in the same registry specialty: Gastroenterology (CMS).

SAN ANTONIO, TX · Exact areaEdit location

2024 published service data · 72 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Victor Franz Zurita, MD

Gastroenterology (CMS) · San Antonio, 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)
  • Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month (99439)
  • Pathology examination of tissue using a microscope, intermediate complexity (88305)
84%Service-mix similarityView profile →

John Austin Vizuete, M.D.

Gastroenterology (CMS) · San Antonio, 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)
  • Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month (99439)
  • Pathology examination of tissue using a microscope, intermediate complexity (88305)
82%Service-mix similarityView profile →

Gary Scott Gossen, M.D.

Gastroenterology (CMS) · San Antonio, 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)
  • Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month (99439)
  • Pathology examination of tissue using a microscope, intermediate complexity (88305)
79%Service-mix similarityView profile →

Charles W Randall, MD

Gastroenterology (CMS) · San Antonio, 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)
  • Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month (99439)
  • Pathology examination of tissue using a microscope, intermediate complexity (88305)
77%Service-mix similarityView profile →

Russell Dean Havranek, MD

Gastroenterology (CMS) · San Antonio, 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)
  • Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month (99439)
  • Pathology examination of tissue using a microscope, intermediate complexity (88305)
77%Service-mix similarityView profile →

Allison Harrington Sirakos, M.D.

Gastroenterology (CMS) · San Antonio, 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)
  • Pathology examination of tissue using a microscope, intermediate complexity (88305)
  • Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)
61%Service-mix similarityView profile →

Joycelyn Marie Theard, MD

Gastroenterology · Internal Medicine (CMS) · San Antonio, 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)
  • Pathology examination of tissue using a microscope, intermediate complexity (88305)
  • Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)
60%Service-mix similarityView profile →

Seema A Dar, MD

Gastroenterology (CMS) · San Antonio, 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)
  • Pathology examination of tissue using a microscope, intermediate complexity (88305)
  • Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)
59%Service-mix similarityView profile →

Mohammad R Taheri, MD

Gastroenterology (CMS) · San Antonio, 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)
  • Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)
  • Biopsy of large bowel using a flexible endoscope (45380)
55%Service-mix similarityView profile →

Ravi L. Ganeshappa, M.D.

Gastroenterology · Internal Medicine (CMS) · San Antonio, 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)
  • Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)
  • Biopsy of large bowel using a flexible endoscope (45380)
53%Service-mix similarityView profile →

Alexis Pavle, MD

Gastroenterology · Internal Medicine (CMS) · San Antonio, 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)
  • Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)
  • Biopsy of large bowel using a flexible endoscope (45380)
53%Service-mix similarityView profile →

Meher Sindhoora Mavuram, M.D.

Gastroenterology (CMS) · San Antonio, 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)
  • Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)
  • Biopsy of large bowel using a flexible endoscope (45380)
52%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.