A DIFFERENT WAY TO EXPLORE

Similar work.
More providers to explore.

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

BOSTON, MA · Exact areaEdit location

2024 published service data · 169 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Daniel Boaz Zandman, M.D.

Gastroenterology (CMS) · Boston, MA

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)
  • 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)
48%Service-mix similarityView profile →

Harishankar Gopakumar, M.D

Gastroenterology (CMS) · Boston, MA

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
42%Service-mix similarityView profile →

Colleen Kelly, MD

Gastroenterology · Internal Medicine (CMS) · Boston, MA

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
39%Service-mix similarityView profile →

Caroline Renee Jouhourian, M.D.

Gastroenterology · Internal Medicine (CMS) · Boston, MA

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • 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)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
37%Service-mix similarityView profile →

Kathleen Viveiros, M.D.

Gastroenterology (CMS) · Boston, MA

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
36%Service-mix similarityView profile →

Tarek Nammour, MD

Gastroenterology (CMS) · Boston, MA

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)
36%Service-mix similarityView profile →

Samantha Zullow, M.D.

Gastroenterology · Internal Medicine (CMS) · Boston, MA

Shared published services
2 shared services · view billing descriptions
  • 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)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
36%Service-mix similarityView profile →

Sarah Nicole Flier, M.D.

Gastroenterology · Internal Medicine (CMS) · Boston, MA

Shared published services
2 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • 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)
35%Service-mix similarityView profile →

David P. Nunes, MD

Gastroenterology · Internal Medicine (CMS) · Boston, MA

Shared published services
2 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • 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)
34%Service-mix similarityView profile →

Lori Beth Olans, MD

Gastroenterology · Internal Medicine (CMS) · Boston, MA

Shared published services
1 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
34%Service-mix similarityView profile →

Daniel Stephan Pratt, MD

Gastroenterology · Internal Medicine (CMS) · Boston, MA

Shared published services
2 shared services · view billing descriptions
  • 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)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
34%Service-mix similarityView profile →

Suzanne S Chan, M.D., PH. D.

Gastroenterology (CMS) · Boston, MA

Shared published services
2 shared services · view billing descriptions
  • 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)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
33%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.