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Compare the published Medicare service mix of Charles Glenn Black, PT with clinicians in the same registry specialty: Physical Therapist.

SEVERN, MD · 10 milesEdit location
Within 10 miles · Approximate ZIP-area distance

Approximate straight-line distances between ZIP-area centers; a city search starts from the average of its ZIP centers. Uses the primary reported practice ZIP, not an exact office address or driving distance. Records without matched coordinates are excluded. How distance works

2024 published service data · 197 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Ralph S Truitt, PT

Physical Therapist · Odenton, MD

Shared published services
3 shared services · view billing descriptions
  • Therapy procedure using water pool to exercises, each 15 minutes (97113)
  • Therapy procedure using functional activities (97530)
  • Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes (97110)
95%Service-mix similarity~3.5 milesView profile →

Andrea Miller, DPT

Physical Therapist · Gambrills, MD

Shared published services
3 shared services · view billing descriptions
  • Therapy procedure using water pool to exercises, each 15 minutes (97113)
  • Therapy procedure using functional activities (97530)
  • Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes (97110)
83%Service-mix similarity~6.1 milesView profile →

Amanda Boyle

Physical Therapist · Gambrills, MD

Shared published services
3 shared services · view billing descriptions
  • Therapy procedure using water pool to exercises, each 15 minutes (97113)
  • Therapy procedure using functional activities (97530)
  • Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes (97110)
78%Service-mix similarity~6.1 milesView profile →

Chelsea Shaunte Nelson, PT, DPT

Physical Therapist · Gambrills, MD

Shared published services
3 shared services · view billing descriptions
  • Therapy procedure using functional activities (97530)
  • Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes (97110)
  • Electrical stimulation (unattended), to one or more areas for indication(s) other than wound care, as part of a therapy plan of care (G0283)
77%Service-mix similarity~6.1 milesView profile →

Laura L Tallman, DPT

Physical Therapist · Gambrills, MD

Shared published services
3 shared services · view billing descriptions
  • Therapy procedure using water pool to exercises, each 15 minutes (97113)
  • Therapy procedure using functional activities (97530)
  • Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes (97110)
76%Service-mix similarity~6.1 milesView profile →

Nisrin Abdel Rahman

Physical Therapist · Columbia, MD

Shared published services
3 shared services · view billing descriptions
  • Therapy procedure using water pool to exercises, each 15 minutes (97113)
  • Therapy procedure using functional activities (97530)
  • Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes (97110)
75%Service-mix similarity~9.0 milesView profile →

Madeline Marie Couch

Physical Therapist · Gambrills, MD

Shared published services
3 shared services · view billing descriptions
  • Therapy procedure using water pool to exercises, each 15 minutes (97113)
  • Therapy procedure using functional activities (97530)
  • Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes (97110)
75%Service-mix similarity~6.1 milesView profile →

Ronald Herbst, MPT

Physical Therapist · Laurel, MD

Shared published services
3 shared services · view billing descriptions
  • Therapy procedure using water pool to exercises, each 15 minutes (97113)
  • Therapy procedure using functional activities (97530)
  • Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes (97110)
75%Service-mix similarity~9.4 milesView profile →

Judy S Thorpe, PT, DPT

Physical Therapist · Columbia, MD

Shared published services
3 shared services · view billing descriptions
  • Therapy procedure using functional activities (97530)
  • Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes (97110)
  • Electrical stimulation (unattended), to one or more areas for indication(s) other than wound care, as part of a therapy plan of care (G0283)
73%Service-mix similarity~8.9 milesView profile →

Sarah Nadine Sakal, PT, DPT, PCS

Physical Therapist · Severna Park, MD

Shared published services
3 shared services · view billing descriptions
  • Therapy procedure using water pool to exercises, each 15 minutes (97113)
  • Therapy procedure using functional activities (97530)
  • Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes (97110)
69%Service-mix similarity~8.2 milesView profile →

Renee Volpe Vanwie, MS,PT,OCS

Physical Therapist · Severna Park, MD

Shared published services
3 shared services · view billing descriptions
  • Therapy procedure using water pool to exercises, each 15 minutes (97113)
  • Therapy procedure using functional activities (97530)
  • Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes (97110)
69%Service-mix similarity~8.2 milesView profile →

Henry Edison Shih

Physical Therapist · Glen Burnie, MD

Shared published services
3 shared services · view billing descriptions
  • Therapy procedure using water pool to exercises, each 15 minutes (97113)
  • Therapy procedure using functional activities (97530)
  • Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes (97110)
68%Service-mix similarity~4.4 milesView 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 approximate distance 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.