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Compare the published Medicare service mix of Afshin Andrew Skibba, M.D. with clinicians in the same registry specialty: Vascular Surgery (CMS).

KNOXVILLE, TN · Exact areaEdit location

2024 published service data · 16 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Deanna L Nelson, MD

Vascular Surgery (CMS) · Knoxville, TN

Shared published services
3 shared services · view billing descriptions
  • Ultrasound study of arm and leg arteries (93922)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Ultrasound of leg arteries or artery grafts (93925)
80%Service-mix similarityView profile →

Stephen A. Tonks, MD

Vascular Surgery (CMS) · Knoxville, TN

Shared published services
3 shared services · view billing descriptions
  • Ultrasound study of arm and leg arteries (93922)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Ultrasound of leg arteries or artery grafts (93925)
78%Service-mix similarityView profile →

Scott Lawrence Stevens, SCOTT STEVENS

General Surgery · Vascular Surgery (CMS) · Knoxville, TN

Shared published services
3 shared services · view billing descriptions
  • Ultrasound study of arm and leg arteries (93922)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Ultrasonic guidance for blood vessel access (76937)
76%Service-mix similarityView profile →

Christopher Scott Callicutt, M.D.

Vascular Surgery (CMS) · Knoxville, TN

Shared published services
3 shared services · view billing descriptions
  • Ultrasound study of arm and leg arteries (93922)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Ultrasound of leg arteries or artery grafts (93925)
76%Service-mix similarityView profile →

Michael Morgan Mcnally

Vascular Surgery (CMS) · Knoxville, TN

Shared published services
3 shared services · view billing descriptions
  • Ultrasound study of arm and leg arteries (93922)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Ultrasonic guidance for blood vessel access (76937)
73%Service-mix similarityView profile →

Christopher W. Pollock, M.D.

Vascular Surgery (CMS) · Knoxville, TN

Shared published services
3 shared services · view billing descriptions
  • Ultrasound study of arm and leg arteries (93922)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Ultrasonic guidance for blood vessel access (76937)
69%Service-mix similarityView profile →

Michael Ryan Buckley, M.D.

General Surgery · Vascular Surgery (CMS) · Knoxville, TN

Shared published services
3 shared services · view billing descriptions
  • Ultrasound study of arm and leg arteries (93922)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Ultrasonic guidance for blood vessel access (76937)
66%Service-mix similarityView profile →

Lauren Grimsley, MD

General Surgery · Vascular Surgery (CMS) · Knoxville, TN

Shared published services
3 shared services · view billing descriptions
  • Ultrasound study of arm and leg arteries (93922)
  • Ultrasonic guidance for blood vessel access (76937)
  • Ultrasound of leg arteries or artery grafts (93925)
64%Service-mix similarityView profile →

Maksim Gusev, MD

Vascular Surgery (CMS) · Knoxville, TN

Shared published services
3 shared services · view billing descriptions
  • Ultrasound study of arm and leg arteries (93922)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Ultrasound of leg arteries or artery grafts (93925)
63%Service-mix similarityView profile →

Michael Benton Freeman, MD

General Surgery · Vascular Surgery (CMS) · Knoxville, TN

Shared published services
3 shared services · view billing descriptions
  • Ultrasound study of arm and leg arteries (93922)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Ultrasonic guidance for blood vessel access (76937)
61%Service-mix similarityView profile →

Joshua David Arnold, M.D.

General Surgery · Vascular Surgery (CMS) · Knoxville, TN

Shared published services
3 shared services · view billing descriptions
  • Ultrasound study of arm and leg arteries (93922)
  • Ultrasonic guidance for blood vessel access (76937)
  • Ultrasound of leg arteries or artery grafts (93925)
60%Service-mix similarityView profile →

Oscar H. Grandas, MD

Vascular Surgery (CMS) · Knoxville, TN

Shared published services
3 shared services · view billing descriptions
  • Ultrasound study of arm and leg arteries (93922)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Ultrasonic guidance for blood vessel access (76937)
56%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.