Gregory John Mills, DPT
Physical Therapist · South Portland, ME
Gregory John Mills, DPT is a physical therapist with a practice address in South Portland, Maine, and NPI 1417521022, issued on May 18, 2021. Check the license (Maine PT5953, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory John Mills
- Credential
- DPT
- Primary taxonomy
- Physical Therapist 225100000X
- License number
- PT5953 ME
Self-reported in NPPES; status is on the state search - Practice location
- 50 Foden Road, South Portland, ME 04106
- Phone
- (207) 780-8860
- Enumerated
- May 18, 2021
- Record last updated
- Jul 21, 2026
- Medicare enrollment
- Enrolled (PECOS I20210528000617); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physical therapist records → All 1,682 in Maine → Look up another NPI →
Also registered at 50 Foden Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rebecca Cummings, DPTPhysical Therapist1487460853
- Jacklyn Wagner, PT, DPT, ATCPhysical Therapist1659745073
Verify Gregory John Mills in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maine board licenses this profession
Search for license PT5953Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 90.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Intermed PASouth Portland, ME
- Saco Bay Orthopaedic And Sports Physical Therapy IncSaco, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory John Mills among 1,682 physical therapist records in Maine
Gregory John Mills, DPT is one of 1,682 physical therapist records with a practice address in Maine. 29% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 77% of them.
- NPI issued2021 · 77% of these records are older, 18% newer
- In a Medicare fileYes · 29% of these records are
- In the CMS Doctors and Clinicians fileYes · 32% of these records are
- Graduated2021 · median 2015 among the 534 with a school on file
- Record last updated2026 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 225100000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
86 physical therapist records list a practice address in South Portland
They are 86 of the 1,143 NPPES records with a practice address in South Portland, and 1,682 physical therapist records in Maine.
All 1,682 in Maine → Every provider in South Portland → Physical Therapist nationwide →
The 8 physical therapist records with the nearest ZIP codes
- Todd Albee, PTSouth Portland, ME 041061306815519
- Jessica Asher, PTSouth Portland, ME 041061598718264
- Melissa Belcher, PTSouth Portland, ME 041061982637526
- Ryan Brown, MPTSouth Portland, ME 041061225023476
- Paul Brown, P.T.South Portland, ME 041061710934815
- Kate Buzzell, PTSouth Portland, ME 041061134129968
- Todd Castonguay, PTSouth Portland, ME 041061598790214
- Lenora Dolewa, PTSouth Portland, ME 041061215937040
Common questions
What is Gregory John Mills, DPT's NPI number?
Gregory John Mills, DPT's National Provider Identifier (NPI) is 1417521022, issued on May 18, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Gregory John Mills, DPT located?
The NPPES record lists a practice address at 50 Foden Road, South Portland, ME, 04106. Phone: (207) 780-8860. Providers update this record themselves, so call before visiting.
How can I verify Gregory John Mills, DPT's license?
NPPES lists Maine license number PT5953, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.
What is Gregory John Mills, DPT's MIPS final score?
The 2023 MIPS final score is 90.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.