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Compare the published Medicare service mix of Navid Ajabshir, M.D. with clinicians in the same registry specialty: Cardiac Surgery · Thoracic Surgery (CMS).

PITTSBURGH, PA · Exact areaEdit location

2024 published service data · 29 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

James Michael Ackerman, MD

Thoracic Surgery (CMS) · Pittsburgh, PA

Shared published services
3 shared services · view billing descriptions
  • Review by radiologist of image to guide opening of digestive tract (74360)
  • Insertion of guide wire with dilation of esophagus using a flexible endoscope (43248)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
72%Service-mix similarityView profile →

Renee Levesque, M.D.

Cardiac Surgery · General Surgery · Thoracic Surgery (CMS) · Pittsburgh, PA

Shared published services
3 shared services · view billing descriptions
  • Review by radiologist of image to guide opening of digestive tract (74360)
  • Insertion of guide wire with dilation of esophagus using a flexible endoscope (43248)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
65%Service-mix similarityView profile →

Tadeusz Witek

General Surgery · Thoracic Surgery (CMS) · Pittsburgh, PA

Shared published services
3 shared services · view billing descriptions
  • Review by radiologist of image to guide opening of digestive tract (74360)
  • Insertion of guide wire with dilation of esophagus using a flexible endoscope (43248)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
63%Service-mix similarityView profile →

Thomas John Melvin, M.D.

Cardiac Surgery · General Surgery · Thoracic Surgery (CMS) · Pittsburgh, PA

Shared published services
3 shared services · view billing descriptions
  • Review by radiologist of image to guide opening of digestive tract (74360)
  • Insertion of guide wire with dilation of esophagus using a flexible endoscope (43248)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
51%Service-mix similarityView profile →

Brian Richard Lace

Thoracic Surgery (CMS) · Pittsburgh, PA

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)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
51%Service-mix similarityView profile →

Richard Hardy Maley Jr., MD

Thoracic Surgery (CMS) · Pittsburgh, PA

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 a high level of medical decision making, if using time, 60 minutes or more (99205)
50%Service-mix similarityView profile →

Erik Sylvin, M.D. M.S.

General Surgery · Thoracic Surgery (CMS) · Pittsburgh, PA

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)
  • Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
49%Service-mix similarityView profile →

Christian A. Otero, M.D.

Cardiac Surgery · Thoracic Surgery (CMS) · Pittsburgh, PA

Shared published services
3 shared services · view billing descriptions
  • Review by radiologist of image to guide opening of digestive tract (74360)
  • Insertion of guide wire with dilation of esophagus using a flexible endoscope (43248)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
45%Service-mix similarityView profile →

Nicholas Baker, MD

General Surgery · Thoracic Surgery (CMS) · Pittsburgh, PA

Shared published services
3 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)
45%Service-mix similarityView profile →

Hazem N El-Khatib, M.D.

Cardiac Surgery · Thoracic Surgery · Vascular Surgery (CMS) · Pittsburgh, PA

Shared published services
3 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
  • 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)
44%Service-mix similarityView profile →

Michael Scott Halbreiner, M.D.

Thoracic Surgery (CMS) · Pittsburgh, PA

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)
  • Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
43%Service-mix similarityView profile →

Stephen H Bailey, MD

Thoracic Surgery (CMS) · Pittsburgh, PA

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)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
42%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.