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Compare the published Medicare service mix of Yohanna Maria Olivo Mercedes, MD with clinicians in the same registry specialty: Internal Medicine.

BRONX, NY · Exact areaEdit location

2024 published service data · 481 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Marly Grana, M.D.

Internal Medicine · Bronx, NY

Shared published services
2 shared services · view billing descriptions
  • Insertion of needle into vein for collection of blood sample (36415)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
99%Service-mix similarityView profile →

Tushar L Shah, M.D.

Internal Medicine · Bronx, NY

Shared published services
2 shared services · view billing descriptions
  • Insertion of needle into vein for collection of blood sample (36415)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
96%Service-mix similarityView profile →

Mohammed Helal Uddin, M.D.

Internal Medicine · Bronx, NY

Shared published services
2 shared services · view billing descriptions
  • Insertion of needle into vein for collection of blood sample (36415)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
82%Service-mix similarityView profile →

Robert Balthazar, MD

Internal Medicine · Bronx, NY

Shared published services
2 shared services · view billing descriptions
  • Insertion of needle into vein for collection of blood sample (36415)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
79%Service-mix similarityView profile →

Joseph Anthony Fedrick

Internal Medicine · Bronx, NY

Shared published services
2 shared services · view billing descriptions
  • Insertion of needle into vein for collection of blood sample (36415)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
73%Service-mix similarityView profile →

John Robert Fernandez, M.D.

Internal Medicine · Bronx, NY

Shared published services
2 shared services · view billing descriptions
  • Insertion of needle into vein for collection of blood sample (36415)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
73%Service-mix similarityView profile →

Tamara Pinkhasova, MD

Internal Medicine · Bronx, NY

Shared published services
2 shared services · view billing descriptions
  • Insertion of needle into vein for collection of blood sample (36415)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
66%Service-mix similarityView profile →

Jean Robert Macenat, M.D

Internal Medicine · Bronx, NY

Shared published services
2 shared services · view billing descriptions
  • Insertion of needle into vein for collection of blood sample (36415)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
66%Service-mix similarityView profile →

Lyndonna Mary Marrast

Internal Medicine · Bronx, NY

Shared published services
2 shared services · view billing descriptions
  • Insertion of needle into vein for collection of blood sample (36415)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
66%Service-mix similarityView profile →

Kristin Anne Swedish, MD, MPH

Internal Medicine · Bronx, NY

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)
65%Service-mix similarityView profile →

Justina Louisa Groeger, MD, MPH

Internal Medicine · Bronx, NY

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)
65%Service-mix similarityView profile →

Shwetha Iyer, M.D.

Internal Medicine · Bronx, NY

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)
65%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.