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Compare the published Medicare service mix of Bill K Chang, MD with clinicians in the same registry specialty: General Surgery · Vascular Surgery (CMS).

HOUSTON, TX · Exact areaEdit location

2024 published service data · 45 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Cesar Nahas, MD

Cardiac Surgery · Thoracic Surgery · Vascular Surgery (CMS) · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)
  • Ultrasound of leg arteries or artery grafts (93925)
57%Service-mix similarityView profile →

Arash Keyhani, D.O.

General Surgery (CMS) · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Ultrasound of leg arteries or artery grafts (93925)
  • Ultrasonic guidance for blood vessel access (76937)
54%Service-mix similarityView profile →

Joseph Joe Naoum, M.D.

General Surgery · Vascular Surgery (CMS) · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)
  • Ultrasound of leg arteries or artery grafts (93925)
51%Service-mix similarityView profile →

Mitchell Jacob George, M.D.

General Surgery (CMS) · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)
  • Ultrasonic guidance for blood vessel access (76937)
49%Service-mix similarityView profile →

Jayer Chung, M.D.

General Surgery · Vascular Surgery (CMS) · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Ultrasound of both sides of head and neck blood flow (93880)
  • Ultrasound study of arm or leg veins with compression and maneuvers (93970)
48%Service-mix similarityView profile →

Steven Maximus, MD

Vascular Surgery (CMS) · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)
  • Ultrasound of leg arteries or artery grafts (93925)
48%Service-mix similarityView profile →

Mina Boutrous, M.D.

Vascular Surgery (CMS) · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Complete ultrasound study of arm and leg arteries (93923)
  • Ultrasound of both sides of head and neck blood flow (93880)
48%Service-mix similarityView profile →

Jean Bismuth, M.D.

Vascular Surgery (CMS) · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)
  • 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 →

Ramyar Gilani, MD

Vascular Surgery (CMS) · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Complete ultrasound study of arm and leg arteries (93923)
  • Ultrasound of both sides of head and neck blood flow (93880)
47%Service-mix similarityView profile →

Tam Thi Thanh Huynh, M.D.

General Surgery · Vascular Surgery (CMS) · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)
  • Ultrasound of leg arteries or artery grafts (93925)
47%Service-mix similarityView profile →

Linda Le, M.D.

Vascular Surgery (CMS) · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Ultrasound of leg arteries or artery grafts (93925)
  • Ultrasound of both sides of head and neck blood flow (93880)
47%Service-mix similarityView profile →

Maham Rahimi, MD

Vascular Surgery (CMS) · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)
  • Ultrasound of leg arteries or artery grafts (93925)
  • Ultrasound of both sides of head and neck blood flow (93880)
46%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.