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Compare the published Medicare service mix of Donald F Gardner, MD with clinicians in the same registry specialty: Endocrinology (CMS).

HOUSTON, TX · Exact areaEdit location

2024 published service data · 46 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Neha Maithel, M.D.

Hematology/Oncology · Internal Medicine (CMS) · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)
  • 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)
69%Service-mix similarityView profile →

Edward C. Murphy, M.D.

Neurosurgery (CMS) · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • 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 moderate level of medical decision making, if using time, 45 minutes or more (99204)
62%Service-mix similarityView profile →

Henry I Zaleski, M.D.

Hematology/Oncology · Internal Medicine (CMS) · Houston, TX

Shared published services
2 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • 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)
56%Service-mix similarityView profile →

Ned Barry Stein, M.D.

Urology (CMS) · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • 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 moderate level of medical decision making, if using time, 45 minutes or more (99204)
50%Service-mix similarityView profile →

Shabrez Tariq, MD

Interventional Pain Management · Physical Medicine And Rehabilitation (CMS) · Houston, TX

Shared published services
1 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
48%Service-mix similarityView profile →

Dana Tate, DPM

Podiatry (CMS) · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • 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 moderate level of medical decision making, if using time, 45 minutes or more (99204)
45%Service-mix similarityView profile →

Srinivasa Rao Venkatesh, M.D.

Pulmonary Disease (CMS) · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
44%Service-mix similarityView profile →

C. Allen Chu, MD,PHD

Neurology · Sleep Medicine (CMS) · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
43%Service-mix similarityView profile →

Abdul-Masih Farha

Medical Oncology (CMS) · Houston, TX

Shared published services
2 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
41%Service-mix similarityView profile →

Nathalie K. Roff, M.D.

Geriatric Medicine · Internal Medicine (CMS) · Houston, TX

Shared published services
2 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
41%Service-mix similarityView profile →

Thuy Kim Nguyen, M.D.

Ophthalmology (CMS) · Houston, TX

Shared published services
2 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)
37%Service-mix similarityView profile →

Nadim Michell Zacca, M.D.

Cardiovascular Disease (Cardiology) · Internal Medicine · Interventional Cardiology (CMS) · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
36%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.