William Harrington, PT
Physical Therapist · Waltham, MA
William Harrington, PT is a physical therapist with a practice address in Waltham, Massachusetts, and NPI 1043299902, issued on Jan 10, 2006. Check the license (Massachusetts 15279, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William Harrington
- Credential
- PT
- Primary taxonomy
- Physical Therapist 225100000X
- License number
- 15279 MA
Self-reported in NPPES; status is on the state search - Practice location
- 840 Winter St, Waltham, MA 02451
- Phone
- (781) 487-9944
- Enumerated
- Jan 10, 2006
- Record last updated
- Jun 10, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (781) 487-9966
- Medicare enrollment
- Enrolled (PECOS I20060105000127); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physical therapist records → All 7,100 in Massachusetts → Look up another NPI →
Also registered at 840 Winter St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kathleen Anderson, PTPhysical Therapist1093798878
- Joseph Armanetti, PTPhysical Therapist1720027998
- Peter BaronePhysical Therapist1225383334
- Robert Bengston, MSPTPhysical Therapist1760732424
- Todd Campbell, PTPhysical Therapist1932182391
- Jean Carney, PTPhysical Therapist1689978314
Verify William Harrington in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 15279Check 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): 0 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 one group practice
- Pro Sports Therapy IncWaltham, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Harrington among 7,100 physical therapist records in Massachusetts
William Harrington, PT is one of 7,100 physical therapist records with a practice address in Massachusetts. 31% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 86% newer
- In a Medicare fileYes · 31% of these records are
- In the CMS Doctors and Clinicians fileYes · 33% of these records are
- Graduated2000 · median 2017 among the 2,371 with a school on file
- Record last updated2013 · 66% 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 Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
173 physical therapist records list a practice address in Waltham
They are 173 of the 2,111 NPPES records with a practice address in Waltham, and 7,100 physical therapist records in Massachusetts.
All 7,100 in Massachusetts → Every provider in Waltham → Physical Therapist nationwide →
The 8 physical therapist records with the nearest ZIP codes
- Kathleen Anderson, PTWaltham, MA 024511093798878
- Joseph Armanetti, PTWaltham, MA 024511720027998
- Todd Campbell, PTWaltham, MA 024511932182391
- Nicole Dillon, PTWaltham, MA 024511124001573
- Christopher Dolan, PTWaltham, MA 024511144203506
- Brian Dolan, PTWaltham, MA 024511730162520
- Douglas Fecko, PTWaltham, MA 024511093798456
- Merlin Gerst, PTWaltham, MA 024511295718658
Common questions
What is William Harrington, PT's NPI number?
William Harrington, PT's National Provider Identifier (NPI) is 1043299902, issued on Jan 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Harrington, PT located?
The NPPES record lists a practice address at 840 Winter St, Waltham, MA, 02451. Phone: (781) 487-9944. Providers update this record themselves, so call before visiting.
How can I verify William Harrington, PT's license?
NPPES lists Massachusetts license number 15279, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
What is William Harrington, PT's MIPS final score?
The 2023 MIPS final score is 0 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.