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Similar work.
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Compare the published Medicare service mix of Alfred Leonard Groen, 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.

Muhammad Jawad Rashid, M.D.

Anesthesiology · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • Insertion of artery tube for blood sampling or infusion through skin (36620)
  • Other procedure on nervous system (64999)
  • Ultrasonic guidance for needle placement (76942)
90%Service-mix similarityView profile →

Scott Andrew Lindberg, MD

Anesthesiology · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • Insertion of artery tube for blood sampling or infusion through skin (36620)
  • Other procedure on nervous system (64999)
  • Ultrasonic guidance for needle placement (76942)
87%Service-mix similarityView profile →

Derek Michael Schoppa

Anesthesiology · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • Other procedure on nervous system (64999)
  • Ultrasonic guidance for needle placement (76942)
  • Anesthesia for extensive surgery on spine (00670)
70%Service-mix similarityView profile →

Devin Lake Musick

Anesthesiology · Houston, TX

Shared published services
2 shared services · view billing descriptions
  • Insertion of artery tube for blood sampling or infusion through skin (36620)
  • Other procedure on nervous system (64999)
69%Service-mix similarityView profile →

Gary Andrew Monteiro, MD

Anesthesiology · Houston, TX

Shared published services
2 shared services · view billing descriptions
  • Insertion of artery tube for blood sampling or infusion through skin (36620)
  • Insertion of non-tunneled central venous tube for infusion (5 years or older) (36556)
65%Service-mix similarityView profile →

Velvet Monic Patterson, M.D.

Anesthesiology · Houston, TX

Shared published services
2 shared services · view billing descriptions
  • Insertion of artery tube for blood sampling or infusion through skin (36620)
  • Anesthesia for extensive surgery on spine (00670)
63%Service-mix similarityView profile →

Carlos A Artime, MD

Anesthesiology · Houston, TX

Shared published services
2 shared services · view billing descriptions
  • Insertion of artery tube for blood sampling or infusion through skin (36620)
  • Anesthesia for extensive surgery on spine (00670)
63%Service-mix similarityView profile →

Patrick Yean-Yong Giam, M.D.

Anesthesiology · Houston, TX

Shared published services
2 shared services · view billing descriptions
  • Insertion of artery tube for blood sampling or infusion through skin (36620)
  • Anesthesia for extensive surgery on spine (00670)
61%Service-mix similarityView profile →

Lara Ferrario, M.D.

Anesthesiology · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • Insertion of artery tube for blood sampling or infusion through skin (36620)
  • Insertion of non-tunneled central venous tube for infusion (5 years or older) (36556)
  • Anesthesia for extensive surgery on spine (00670)
60%Service-mix similarityView profile →

Sukhjinder Singh Dhother

Anesthesiology · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • Insertion of artery tube for blood sampling or infusion through skin (36620)
  • Other procedure on nervous system (64999)
  • Ultrasonic guidance for needle placement (76942)
59%Service-mix similarityView profile →

Juan Pablo Ruiz, MD

Anesthesiology · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • Insertion of artery tube for blood sampling or infusion through skin (36620)
  • Other procedure on nervous system (64999)
  • Ultrasonic guidance for needle placement (76942)
58%Service-mix similarityView profile →

Faiz Syed Nasser, M.D.

Anesthesiology · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • Insertion of artery tube for blood sampling or infusion through skin (36620)
  • Other procedure on nervous system (64999)
  • Ultrasonic guidance for needle placement (76942)
57%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.