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Compare the published Medicare service mix of Alison Unzeitig Barron, MD with clinicians in the same registry specialty: Surgical Oncology (CMS).

SAN ANTONIO, TX · Exact areaEdit location

2024 published service data · 14 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Rachel Ellen Kaczynski, D.O.

Surgical Oncology (CMS) · San Antonio, TX

Shared published services
3 shared services · view billing descriptions
  • New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)
  • X-ray of surgical specimen (76098)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
86%Service-mix similarityView profile →

Morton S Kahlenberg, MD

Surgical Oncology (CMS) · San Antonio, TX

Shared published services
3 shared services · view billing descriptions
  • New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Partial removal of breast (19301)
75%Service-mix similarityView profile →

Maryam Elmi, MD

General Surgery · Surgical Oncology (CMS) · San Antonio, TX

Shared published services
3 shared services · view billing descriptions
  • New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Partial removal of breast (19301)
67%Service-mix similarityView profile →

Nicci Owusu-Brackett, M.D.

General Surgery · Surgical Oncology (CMS) · San Antonio, TX

Shared published services
3 shared services · view billing descriptions
  • New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)
  • Partial removal of breast (19301)
  • Imaging of lymph nodes during surgery (38900)
66%Service-mix similarityView profile →

Dennis L Rousseau, M.D./ PH.D.

Surgical Oncology (CMS) · San Antonio, TX

Shared published services
3 shared services · view billing descriptions
  • New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Imaging of lymph nodes during surgery (38900)
58%Service-mix similarityView profile →

Alfredo Alejandro Santillan-Gomez, M.D., M.P.H:

General Surgery · Surgical Oncology (CMS) · San Antonio, TX

Shared published services
3 shared services · view billing descriptions
  • New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Partial removal of breast (19301)
51%Service-mix similarityView profile →

Ismail Jatoi, M.D.

General Surgery · Surgical Oncology (CMS) · San Antonio, 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)
30%Service-mix similarityView profile →

Carissia Calvo-Strube, M.D.

General Surgery · Surgical Oncology (CMS) · San Antonio, TX

Shared published services
1 shared services · view billing descriptions
  • New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)
24%Service-mix similarityView profile →

Colin Macdonald Court, MD

Specialty details in registry · San Antonio, TX

Shared published services
1 shared services · view billing descriptions
  • New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)
23%Service-mix similarityView profile →

Alexander Ashish Parikh, MD, M.P.H.

General Surgery · Surgical Oncology (CMS) · San Antonio, TX

Shared published services
1 shared services · view billing descriptions
  • New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)
22%Service-mix similarityView profile →

Megan Parmer, M.D.

General Surgery · Surgical Oncology (CMS) · San Antonio, TX

Shared published services
2 shared services · view billing descriptions
  • New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)
  • Ultrasonic guidance during surgery (76998)
16%Service-mix similarityView profile →

Noah Song Rozich, M.D.

General Surgery · Surgical Oncology (CMS) · San Antonio, TX

Shared published services
1 shared services · view billing descriptions
  • New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)
15%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.