Quick answers
- Where does John P. Collins see patients?
- Medicare's clinician data lists 1 practice location in Clarksville, MD. Call before your visit to confirm the address.
- What is John P. Collins's specialty?
- Medicare lists Physical Medicine and Rehabilitation as the primary specialty.
- Does John P. Collins accept Medicare assignment?
- Yes. Medicare's clinician data says John P. Collins accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for John P. Collins?
- (443) 535-9900, as listed in official Medicare / NPI Registry data.
- What is John P. Collins's NPI number?
- 1821063165. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where John P. Collins is enrolled with Medicare (CMS data updated 2026-10-02).
- 5005 Signal Bell Ln, Suite 208Clarksville, MD 21029 (443) 535‑9900
Group practices
Medicare enrollment lists John P. Collins as a member of this group (CMS data updated 2026-10-02).
- DRS Collins and Twigg PC2 clinicians in the group
Specialties
Find other Physical Medicine and Rehabilitation doctors in Maryland →
Other rehabilitation doctors in Maryland
Clinicians with the same Medicare primary specialty in Maryland — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Philadelphia College Of Osteopathic Medicine |
| Graduation year | 1989 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1821063165 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians