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Compare the published Medicare service mix of John Alfred Evans, MD with clinicians in the same registry specialty: Gastroenterology (CMS).

WINSTON SALEM, NC · Exact areaEdit location

2024 published service data · 49 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Darius A. Jahann, M.D.

Gastroenterology (CMS) · Winston Salem, NC

Shared published services
3 shared services · view billing descriptions
  • Review by radiologist of image from tube placement into bile duct using an endoscope (74328)
  • Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43259)
  • Ultrasound guided needle aspiration or biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43242)
86%Service-mix similarityView profile →

Ingrid Gonzalez, M.D.

Gastroenterology · Internal Medicine (CMS) · Winston Salem, NC

Shared published services
3 shared services · view billing descriptions
  • Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43259)
  • Ultrasound guided needle aspiration or biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43242)
  • Insertion of stent into pancreatic or bile duct using a flexible endoscope (43274)
65%Service-mix similarityView profile →

Varun Kesar, M.D.

Gastroenterology · Internal Medicine (CMS) · Winston Salem, NC

Shared published services
3 shared services · view billing descriptions
  • Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43259)
  • Ultrasound guided needle aspiration or biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43242)
  • Insertion of stent into pancreatic or bile duct using a flexible endoscope (43274)
60%Service-mix similarityView profile →

Jason Deforest Jones, M.D.

Internal Medicine (CMS) · Winston Salem, NC

Shared published services
3 shared services · view billing descriptions
  • Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43259)
  • Ultrasound guided needle aspiration or biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43242)
  • Removal of stone or debris from bile or pancreatic duct using a flexible endoscope (43264)
50%Service-mix similarityView profile →

Andrew Charles Storm, M.D.

Gastroenterology (CMS) · Winston Salem, NC

Shared published services
3 shared services · view billing descriptions
  • Review by radiologist of image from tube placement into bile duct using an endoscope (74328)
  • Insertion of stent into pancreatic or bile duct using a flexible endoscope (43274)
  • Removal of stone or debris from bile or pancreatic duct using a flexible endoscope (43264)
48%Service-mix similarityView profile →

Patrick Daniel Green, MD

Gastroenterology (CMS) · Winston Salem, NC

Shared published services
3 shared services · view billing descriptions
  • 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)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
40%Service-mix similarityView profile →

John Thomas Sweeney, MD

Gastroenterology (CMS) · Winston Salem, NC

Shared published services
3 shared services · view billing descriptions
  • Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43259)
  • Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
39%Service-mix similarityView profile →

Meredith Marie Clary, M.D.

Gastroenterology (CMS) · Winston Salem, NC

Shared published services
3 shared services · view billing descriptions
  • Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)
  • 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)
38%Service-mix similarityView profile →

Joel Thomas Bruggen, MD

Gastroenterology (CMS) · Winston Salem, NC

Shared published services
3 shared services · view billing descriptions
  • Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)
  • 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)
37%Service-mix similarityView profile →

Apsara Prasad, M.D.

Gastroenterology · Internal Medicine (CMS) · Winston Salem, NC

Shared published services
3 shared services · view billing descriptions
  • 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)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
36%Service-mix similarityView profile →

Ramya Muralimohan Vestal, M.D.

Gastroenterology · Internal Medicine (CMS) · Winston Salem, NC

Shared published services
3 shared services · view billing descriptions
  • 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)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
35%Service-mix similarityView profile →

Joshua Matrachisia, D.O.

Internal Medicine (CMS) · Winston Salem, NC

Shared published services
3 shared services · view billing descriptions
  • 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)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
35%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.