Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Dr. Gregory Alnwick, DPT

Individual provider Physical Therapist · NPI 1720104581

Dr. Gregory Alnwick, DPT is registered under Physical Therapist in Private Practice in Gorham, New Hampshire. Qualified in 2006, 20 years ago. Practices with Androscoggin Valley Hospital Inc, a 64-clinician group and accepts Medicare assignment. Licensed in New Hampshire.

Years since qualifying
20
Licensed in
NH
In the registry since
2007
What do these letters mean?
DPT — Doctor of Physical Therapy
The doctoral degree now required to enter physical therapy practice.

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Practice location Address checks out

232 Main St
Gorham, NH 03581-1500 Not confirmed with CMS for 19 years — call before visiting
Phone: (603) 466-5972
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physical Therapist (primary) Taxonomy 225100000X · Licence 2703 (NH)

Record details

NPI number1720104581
Entity typeIndividual (Type 1)
GenderMale
Credentials DPT
Sole proprietorNo
NPI enumeratedMarch 22, 2007
Last updated in NPPESJuly 8, 2007

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPHYSICAL THERAPIST IN PRIVATE PRACTICE
Medical schoolOTHER
Graduated 2006 (20 years in practice)
Group practice Androscoggin Valley Hospital Inc — 64 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients58
Services billed 1,642 a service is one billed item, such as a visit, a test or a procedure
Average patient age75

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Colleagues at Androscoggin Valley Hospital Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 64 clinicians in the practice; 12 are shown here.

Other providers in Gorham