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Compare the published Medicare service mix of Dana Marie Stewart, D.O. with clinicians in the same registry specialty: Gastroenterology (CMS).

GRAND RAPIDS, MI · Exact areaEdit location

2024 published service data · 29 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Curtis Randall Weaver, MD

Gastroenterology (CMS) · Grand Rapids, MI

Shared published services
3 shared services · view billing descriptions
  • Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
  • Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)
74%Service-mix similarityView profile →

Jay Bradley Morrow, M.D.

Gastroenterology (CMS) · Grand Rapids, MI

Shared published services
3 shared services · view billing descriptions
  • Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
  • Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)
72%Service-mix similarityView profile →

Mark Gregory Cooper, M.D.

Gastroenterology (CMS) · Grand Rapids, MI

Shared published services
3 shared services · view billing descriptions
  • Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)
  • Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)
  • Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)
68%Service-mix similarityView profile →

Patrick Ray Brown, DO

Gastroenterology · Internal Medicine (CMS) · Grand Rapids, MI

Shared published services
3 shared services · view billing descriptions
  • Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
  • Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)
65%Service-mix similarityView profile →

Andrew B Shreiner, MD

Gastroenterology · Internal Medicine (CMS) · Grand Rapids, MI

Shared published services
3 shared services · view billing descriptions
  • Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
  • Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)
64%Service-mix similarityView profile →

Christopher John Murphy, MD

Gastroenterology (CMS) · Grand Rapids, MI

Shared published services
3 shared services · view billing descriptions
  • Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)
  • Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)
  • Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)
61%Service-mix similarityView profile →

Tammy Theresa Tran-Yang, D.O.

Gastroenterology (CMS) · Grand Rapids, MI

Shared published services
1 shared services · view billing descriptions
  • Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)
60%Service-mix similarityView profile →

Srinivas K. Janardan, M.D.

Gastroenterology (CMS) · Grand Rapids, MI

Shared published services
3 shared services · view billing descriptions
  • Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
  • Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)
55%Service-mix similarityView profile →

Asif Azeem, M.D.

Gastroenterology · Internal Medicine (CMS) · Grand Rapids, MI

Shared published services
3 shared services · view billing descriptions
  • Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
  • Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)
55%Service-mix similarityView profile →

Robert Thomas Bischoff, DO

Gastroenterology · Internal Medicine (CMS) · Grand Rapids, MI

Shared published services
3 shared services · view billing descriptions
  • Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
  • Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)
52%Service-mix similarityView profile →

Eric Nguyen, MD

Internal Medicine (CMS) · Grand Rapids, MI

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)
51%Service-mix similarityView profile →

Randall Scott Meisner, MD

Gastroenterology · Internal Medicine (CMS) · Grand Rapids, MI

Shared published services
2 shared services · view billing descriptions
  • Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)
  • Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)
48%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.