Hannah L. Duffy, DPT
Physical Therapist · Portland, ME
Hannah L. Duffy, DPT is a physical therapist with a practice address in Portland, Maine, and NPI 1699556472, issued on Oct 9, 2023. Check the license (Maine PT6651, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Hannah L. Duffy
- Credential
- DPT
- Primary taxonomy
- Physical Therapist 225100000X
- License number
- PT6651 ME
Self-reported in NPPES; status is on the state search - Practice location
- 33 Sewall St, Portland, ME 04102
- Phone
- (207) 828-2121
- Enumerated
- Oct 9, 2023
- Record last updated
- Oct 10, 2023
- Fax
- (207) 553-7166
- Medicare enrollment
- Enrolled (PECOS I20240610001134); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physical therapist records → All 1,682 in Maine → Look up another NPI →
Also registered at 33 Sewall St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Paul Abbey, MOT, OTR/LOccupational Therapist1013434489
- Zachary AbbottPhysical Medicine & Rehabilitation Physician1013545797
- Dirk Asherman, M.D.Orthopaedic Foot and Ankle Surgery Physician1427057611
- Stephen Barr, M.D.Orthopaedic Surgery Physician1245228949
- Keith Bartlett, DPTPhysical Therapist1437826096
- Lucy Bauer, CRNACertified Registered Nurse Anesthetist1578634184
Verify Hannah L. Duffy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maine board licenses this profession
Search for license PT6651Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Ability, LLCEpping, NH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hannah L. Duffy among 1,682 physical therapist records in Maine
Hannah L. Duffy, 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 2023, is newer than 85% of them.
- NPI issued2023 · 85% of these records are older, 10% newer
- In a Medicare fileYes · 29% of these records are
- In the CMS Doctors and Clinicians fileYes · 32% of these records are
- Graduated2023 · median 2015 among the 534 with a school on file
- Record last updated2023 · 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).
188 physical therapist records list a practice address in Portland
They are 188 of the 6,022 NPPES records with a practice address in Portland, and 1,682 physical therapist records in Maine.
All 1,682 in Maine → Every provider in Portland → Physical Therapist nationwide →
The 8 physical therapist records with the nearest ZIP codes
- Stephen BeckettPortland, ME 041021942284054
- Jared Buzzell, P.T.Portland, ME 041021316921612
- Timothy Davoren, P.T.Portland, ME 041021588648869
- Christine Grabowy, PT, MSPTPortland, ME 041021205878840
- Stephanie Gradone, DPTPortland, ME 041021578660478
- Steven Johnston, PTPortland, ME 041021427094150
- Jennifer Joseph, P.T.Portland, ME 041021548390016
- Anna KrausePortland, ME 041021750322780
Common questions
What is Hannah L. Duffy, DPT's NPI number?
Hannah L. Duffy, DPT's National Provider Identifier (NPI) is 1699556472, issued on Oct 9, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Hannah L. Duffy, DPT located?
The NPPES record lists a practice address at 33 Sewall St, Portland, ME, 04102. Phone: (207) 828-2121. Providers update this record themselves, so call before visiting.
How can I verify Hannah L. Duffy, DPT's license?
NPPES lists Maine license number PT6651, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.
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.