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Compare the published Medicare service mix of Jennifer Haw Lai, M.D. with clinicians in the same registry specialty: Gastroenterology · Internal Medicine (CMS).

STANFORD, CA · Exact areaEdit location

2024 published service data · 41 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Sean Paul Spencer, MD, PHD

Gastroenterology (CMS) · Stanford, CA

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)
  • Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)
58%Service-mix similarityView profile →

Howard Cooper Masuoka, MD

Gastroenterology (CMS) · Stanford, CA

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)
  • Measurement of liver stiffness (91200)
55%Service-mix similarityView profile →

Robert Lerrigo, M.D.

Gastroenterology (CMS) · Stanford, CA

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)
  • Biopsy of large bowel using a flexible endoscope (45380)
55%Service-mix similarityView profile →

Alice Ahyoung Lee, MD

Gastroenterology · Internal Medicine (CMS) · Stanford, CA

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)
  • Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)
54%Service-mix similarityView profile →

Uri Ladabaum, MD

Gastroenterology · Internal Medicine (CMS) · Stanford, CA

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)
  • Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)
53%Service-mix similarityView profile →

Andrew Amos Li, MD

Gastroenterology · Internal Medicine (CMS) · Stanford, CA

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)
53%Service-mix similarityView profile →

Shai Friedland, M.D.

Gastroenterology · Internal Medicine (CMS) · Stanford, CA

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)
  • Biopsy of large bowel using a flexible endoscope (45380)
50%Service-mix similarityView profile →

Nanae Takatori, M.D.

Gastroenterology · Internal Medicine (CMS) · Stanford, CA

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)
  • Biopsy of large bowel using a flexible endoscope (45380)
47%Service-mix similarityView profile →

Mike Tzuhen Wei, MD

Gastroenterology · Internal Medicine (CMS) · Stanford, CA

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)
  • Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)
47%Service-mix similarityView profile →

Ikponmwosa Enofe, MD

Gastroenterology (CMS) · Stanford, CA

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)
  • Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)
44%Service-mix similarityView profile →

Grant Eric Barber, MD

Gastroenterology · Internal Medicine (CMS) · Stanford, CA

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)
  • Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)
43%Service-mix similarityView profile →

Yan Jiang, MD

Gastroenterology · Internal Medicine (CMS) · Stanford, CA

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)
  • Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)
43%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.