William Harrington, PT
NPI 1043299902 · Physical Therapist · Waltham, MA
Enrolled with Medicare as Practitioner - Physical Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Harrington, PT is a Physical Therapist provider in Waltham, MA (NPI 1043299902).
Provider details
- NPI number
- 1043299902
- Entity type
- Individual
- Primary specialty
- Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- PT
- Sex
- Male
- Sole proprietor
- No
- License
- 15279 (MA)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
6,173 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Therapy Procedure Using Exercise to Develop Strength, Endurance, Range of Motion, and Flexibility, Each 15 Minutes97110 | 2,441 | $22 |
| Therapy Procedure to Re-Educate Brain-To-Nerve-To-Muscle Function, Each 15 Minutes97112 | 2,010 | $27 |
| Therapy Procedure Using Functional Activities97530 | 1,576 | $37 |
| Training for Self-Care Or Home Management, Each 15 Minutes97535 | 54 | $26 |
| Evaluation for Physical Therapy, Typically 30 Minutes97162 | 40 | $109 |
| Evaluation for Physical Therapy, Typically 20 Minutes97161 | 38 | $110 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-10
- Last updated
- 2013-06-10
Frequently asked questions
- What is William Harrington's NPI number?
- William Harrington's National Provider Identifier (NPI) is 1043299902, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Harrington's specialty?
- William Harrington is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is William Harrington located?
- William Harrington's practice location on file with NPPES is 840 Winter St, Waltham, MA 02451.
- What is William Harrington's phone number?
- The practice phone number listed in the NPPES registry for William Harrington is (781) 487-9944.
- Does William Harrington accept Medicare?
- William Harrington is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Harrington's NPI active?
- Yes — William Harrington's NPI (1043299902) is active in the NPPES registry as of the last update on 2013-06-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.