Quick answers
- Where does Darin P. McCarthy see patients?
- Medicare's clinician data lists 2 practice locations, including North Chelmsford, MA and Lowell, MA. Call before your visit to confirm the address.
- What is Darin P. McCarthy's specialty?
- Medicare lists Physical Therapist in Private Practice as the primary specialty.
- Does Darin P. McCarthy accept Medicare assignment?
- Yes. Medicare's clinician data says Darin P. McCarthy 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 Darin P. McCarthy?
- (978) 454-0706, as listed in official Medicare / NPI Registry data.
- What is Darin P. McCarthy's NPI number?
- 1174551469. 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 Darin P. McCarthy is enrolled with Medicare (CMS data updated 2026-10-02).
- 14 Research PlNorth Chelmsford, MA 01863 (978) 454‑0706
- 176 Walker StLowell, MA 01854 (798) 452‑9252
Group practices
Medicare enrollment lists Darin P. McCarthy as a member of this group (CMS data updated 2026-10-02).
- Orthopaedic Surgical Associates of Lowell, P.C.43 clinicians in the group
Specialties
Find other clinicians: Physical Therapist in Private Practice, Massachusetts →
Other physical therapists in North Chelmsford
Clinicians with the same Medicare primary specialty in North Chelmsford, MA — not a recommendation.
Clinician information
| Credential | PT |
|---|---|
| Graduation year | 1996 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1174551469 |
| 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