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Compare the published Medicare service mix of David M Kelley, M.D. with clinicians in the same registry specialty: Internal Medicine (CMS).

CA · Exact areaEdit location

2024 published service data · 477 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

David John Wallace, MD, MPH

Critical Care (Intensivists) · Internal Medicine (CMS) · Castro Valley, CA

Shared published services
3 shared services · view billing descriptions
  • Critical care, first 30-74 minutes (99291)
  • Critical care, each additional 30 minutes (99292)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
92%Service-mix similarityView profile →

Marcus Ottochian, M.D.

Critical Care (Intensivists) · Pulmonary Disease (CMS) · Duarte, CA

Shared published services
3 shared services · view billing descriptions
  • Critical care, first 30-74 minutes (99291)
  • Critical care, each additional 30 minutes (99292)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
89%Service-mix similarityView profile →

Leo Meng-Tah Shum, M.D

Critical Care (Intensivists) · Emergency Medicine (CMS) · Pasadena, CA

Shared published services
3 shared services · view billing descriptions
  • Critical care, first 30-74 minutes (99291)
  • Critical care, each additional 30 minutes (99292)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
89%Service-mix similarityView profile →

Darshan Rameshchandra Dhingani

Critical Care (Intensivists) · Pulmonary Disease (CMS) · Sacramento, CA

Shared published services
3 shared services · view billing descriptions
  • Critical care, first 30-74 minutes (99291)
  • Critical care, each additional 30 minutes (99292)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
88%Service-mix similarityView profile →

Elizabeth Babu, MD

Critical Care (Intensivists) (CMS) · Port Hueneme, CA

Shared published services
3 shared services · view billing descriptions
  • Critical care, first 30-74 minutes (99291)
  • Critical care, each additional 30 minutes (99292)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
87%Service-mix similarityView profile →

Abigail Elizabeth Beggs, M.D.

Critical Care (Intensivists) (CMS) · Santa Monica, CA

Shared published services
3 shared services · view billing descriptions
  • Critical care, first 30-74 minutes (99291)
  • Critical care, each additional 30 minutes (99292)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
87%Service-mix similarityView profile →

Connor Galen O'brien, M.D.

Cardiovascular Disease (Cardiology) (CMS) · San Francisco, CA

Shared published services
3 shared services · view billing descriptions
  • Critical care, first 30-74 minutes (99291)
  • Critical care, each additional 30 minutes (99292)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
86%Service-mix similarityView profile →

Simon Chi, DO

Emergency Medicine (CMS) · Torrance, CA

Shared published services
3 shared services · view billing descriptions
  • Critical care, first 30-74 minutes (99291)
  • Critical care, each additional 30 minutes (99292)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
86%Service-mix similarityView profile →

Sean Dooley, M.D.

Internal Medicine (CMS) · Santa Monica, CA

Shared published services
3 shared services · view billing descriptions
  • Critical care, first 30-74 minutes (99291)
  • Critical care, each additional 30 minutes (99292)
  • Insertion of non-tunneled central venous tube for infusion (5 years or older) (36556)
85%Service-mix similarityView profile →

Navneet Kaur, M.D.

Critical Care (Intensivists) · Internal Medicine · Pulmonary Disease (CMS) · San Diego, CA

Shared published services
3 shared services · view billing descriptions
  • Critical care, first 30-74 minutes (99291)
  • Critical care, each additional 30 minutes (99292)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
83%Service-mix similarityView profile →

Parshawn Lahiji, DO

Specialty details in registry · Santa Monica, CA

Shared published services
3 shared services · view billing descriptions
  • Critical care, first 30-74 minutes (99291)
  • Critical care, each additional 30 minutes (99292)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
82%Service-mix similarityView profile →

Mohammed Arif Shaikh, M.D.

Critical Care (Intensivists) (CMS) · Emeryville, CA

Shared published services
3 shared services · view billing descriptions
  • Critical care, first 30-74 minutes (99291)
  • Critical care, each additional 30 minutes (99292)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
82%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.