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Compare the published Medicare service mix of Umer F. Malik, M.D. with clinicians in the same registry specialty: Internal Medicine.

SACRAMENTO, CA · Exact areaEdit location

2024 published service data · 291 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Cathy Castagna, D.O.

Internal Medicine · Sacramento, CA

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)
82%Service-mix similarityView profile →

Kurtis Rosendo Moodie, M.D.

Internal Medicine · Sacramento, CA

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)
82%Service-mix similarityView profile →

Francis Emmanuel Baltasar, M.D.

Internal Medicine · Sacramento, CA

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)
82%Service-mix similarityView profile →

Charlotte S. Newcomb, MD

Internal Medicine · Sacramento, CA

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)
82%Service-mix similarityView profile →

Maria W Sun, MD

Internal Medicine · Sacramento, CA

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)
82%Service-mix similarityView profile →

Jason Ferries, M.D.

Internal Medicine · Sacramento, CA

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)
82%Service-mix similarityView profile →

Hanming Joseph Lin, MD

Internal Medicine · Sacramento, CA

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)
82%Service-mix similarityView profile →

Geoffrey John D'cruz, M.D.

Internal Medicine · Sacramento, CA

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)
82%Service-mix similarityView profile →

Dean Joseph Rizzi, MD

Internal Medicine · Sacramento, CA

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)
82%Service-mix similarityView profile →

Ramya Mallareddy, M.D.

Internal Medicine · Sacramento, CA

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)
82%Service-mix similarityView profile →

Voltaire Sinigayan, M.D.

Internal Medicine · Sacramento, CA

Shared published services
2 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
  • Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)
81%Service-mix similarityView profile →

Hershan Singh Johl, MD

Internal Medicine · Sacramento, CA

Shared published services
2 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
  • Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)
79%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.