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Compare the published Medicare service mix of Justin Shayne Fanning, MD with clinicians in the same registry specialty: Thoracic Surgery (CMS).

GRAND RAPIDS, MI · Exact areaEdit location

2024 published service data · 12 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

David Ranney

Cardiac Surgery (CMS) · Grand Rapids, MI

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)
  • Replacement of aortic valve through the skin and femoral artery (33361)
  • X-ray of chest, 2 views (71046)
95%Service-mix similarityView profile →

Charles L Willekes, MD

Thoracic Surgery (CMS) · Grand Rapids, MI

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 2 views (71046)
  • Coronary artery bypass using artery graft, 1 graft (33533)
  • New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)
74%Service-mix similarityView profile →

Stephane Leung Wai Sang, MD

Cardiac Surgery (CMS) · Grand Rapids, MI

Shared published services
3 shared services · view billing descriptions
  • Replacement of aortic valve through the skin and femoral artery (33361)
  • X-ray of chest, 2 views (71046)
  • Placement and subsequent removal of device to protect brain from embolism through catheter using imaging guidance (33370)
72%Service-mix similarityView profile →

Jordan Groskurth, M.D.

Thoracic Surgery (CMS) · Grand Rapids, MI

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 2 views (71046)
  • Coronary artery bypass using artery graft, 1 graft (33533)
  • New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)
67%Service-mix similarityView profile →

Tomasz A Timek, M.D.

Thoracic Surgery (CMS) · Grand Rapids, MI

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)
  • X-ray of chest, 2 views (71046)
53%Service-mix similarityView profile →

Neal Matthew Foley, D.O.

Thoracic Surgery (CMS) · Grand Rapids, MI

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)
  • Coronary artery bypass using artery graft, 1 graft (33533)
  • New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)
47%Service-mix similarityView profile →

Edward T Murphy, MD

Thoracic Surgery (CMS) · Grand Rapids, MI

Shared published services
2 shared services · view billing descriptions
  • X-ray of chest, 2 views (71046)
  • New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)
45%Service-mix similarityView profile →

Marzia Leacche, M.D.

Thoracic Surgery (CMS) · Grand Rapids, MI

Shared published services
2 shared services · view billing descriptions
  • Coronary artery bypass using artery graft, 1 graft (33533)
  • Harvest of vein using an endoscope (33508)
42%Service-mix similarityView profile →

Hakan Ogutcu

Cardiac Surgery · Thoracic Surgery (CMS) · Grand Rapids, MI

Shared published services
3 shared services · view billing descriptions
  • Replacement of aortic valve through the skin and femoral artery (33361)
  • Coronary artery bypass using artery graft, 1 graft (33533)
  • Harvest of vein using an endoscope (33508)
39%Service-mix similarityView profile →

Geoffrey Tak-Kin Lam, M.D.

Thoracic Surgery (CMS) · Grand Rapids, MI

Shared published services
2 shared services · view billing descriptions
  • X-ray of chest, 2 views (71046)
  • New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)
38%Service-mix similarityView profile →

Behrooz Shabahang, MD

Cardiac Surgery · Cardiovascular Disease (Cardiology) · Thoracic Surgery (CMS) · Grand Rapids, MI

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)
  • New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)
30%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.