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Compare the published Medicare service mix of Mark Roberts, MD with clinicians in the same registry specialty: Anesthesiology.

HOUSTON, TX · Exact areaEdit location

2024 published service data · 500 eligible profiles compared. This search reached its 500-profile comparison limit, using NPI order. Narrow the location for a more focused comparison. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Douglas R Flanders, M.D.

Anesthesiology · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for procedure for total knee joint replacement (01402)
  • Anesthesia for total hip replacement (01214)
  • Anesthesia for extensive surgery on spine (00670)
72%Service-mix similarityView profile →

Lane Joseph Cooper, M.D.

Anesthesiology · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for procedure for total knee joint replacement (01402)
  • Anesthesia for total hip replacement (01214)
  • Anesthesia for extensive surgery on spine (00670)
69%Service-mix similarityView profile →

Darrell Sherman Briggs, M.D.

Anesthesiology · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for procedure for total knee joint replacement (01402)
  • Anesthesia for total hip replacement (01214)
  • Continuous infusion of anesthetic agent and/or steroid into thigh nerve (femoral nerve) through catheter (64448)
60%Service-mix similarityView profile →

Anil Tom Mathew, M.D.

Anesthesiology · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for procedure for total knee joint replacement (01402)
  • Anesthesia for total hip replacement (01214)
  • Anesthesia for extensive surgery on spine (00670)
59%Service-mix similarityView profile →

Hafeez Olalemi, MD

Anesthesiology · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for procedure for total knee joint replacement (01402)
  • Anesthesia for total hip replacement (01214)
  • Continuous infusion of anesthetic agent and/or steroid into thigh nerve (femoral nerve) through catheter (64448)
59%Service-mix similarityView profile →

Krystal Jensen, M.D.

Anesthesiology · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for procedure for total knee joint replacement (01402)
  • Anesthesia for total hip replacement (01214)
  • Continuous infusion of anesthetic agent and/or steroid into thigh nerve (femoral nerve) through catheter (64448)
58%Service-mix similarityView profile →

Bracken Scott Kolle, M.D.

Anesthesiology · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for procedure for total knee joint replacement (01402)
  • Anesthesia for total hip replacement (01214)
  • Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) (64415)
57%Service-mix similarityView profile →

Sandra Jean Alexander, M.D.

Anesthesiology · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for procedure for total knee joint replacement (01402)
  • Anesthesia for total hip replacement (01214)
  • Anesthesia for extensive surgery on spine (00670)
56%Service-mix similarityView profile →

Robert C Winans, MD

Anesthesiology · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for procedure for total knee joint replacement (01402)
  • Continuous infusion of anesthetic agent and/or steroid into thigh nerve (femoral nerve) through catheter (64448)
  • Anesthesia for extensive surgery on spine (00670)
55%Service-mix similarityView profile →

Brandon Leigh Fields, M.D.

Anesthesiology · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for procedure for total knee joint replacement (01402)
  • Anesthesia for extensive surgery on spine (00670)
  • Anesthesia for other procedure on urinary system through urethra (00910)
53%Service-mix similarityView profile →

Steven M. Read, M.D.

Anesthesiology · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for procedure for total knee joint replacement (01402)
  • Anesthesia for total hip replacement (01214)
  • Anesthesia for other procedure on urinary system through urethra (00910)
52%Service-mix similarityView profile →

Matthew John Maxwell, M.D./M.P.H.

Anesthesiology · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for procedure for total knee joint replacement (01402)
  • Anesthesia for total hip replacement (01214)
  • Continuous infusion of anesthetic agent and/or steroid into thigh nerve (femoral nerve) through catheter (64448)
52%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.