WILLIAM HARRINGTON (PT) – Physical Therapist, NPI 1043299902

WILLIAM HARRINGTON (PT) is a healthcare provider. based in Waltham, Massachusetts. specializing in PHYSICAL THERAPIST IN PRIVATE PRACTICE. They hold the professional credentials PT. They hold a License No. 15279 (MA). The NPI Number for WILLIAM HARRINGTON (PT) is 1043299902

Main info

Male
26 Years Of Experience
Accepts Medicare Assignment
Name
WILLIAM HARRINGTON (PT)
NPI
1043299902
Phone
(781) 487-9944
Address
840 WINTER ST
Enumeration Date
10 January 2006
Last Update Date
10 June 2013

Doctor Profile

Medical School Name
OTHER
Secondary Phone
7814879944
Graduation Year
2000 (26 years ago)
PAC ID
8022074863
Group Practice PAC ID
6901708544
Professional Enrollment ID
I20060105000127
Address ID
MA024511433WA840XXSTXX300
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

2,873 PHYSICAL THERAPIST IN PRIVATE PRACTICE in MA

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Provider Addresses for WILLIAM HARRINGTON (PT)

  • 840, Winter Street, Waltham, Middlesex County, Massachusetts, 02451, United States

    ATTN: PRO SPORTS THERAPY

    WALTHAM, MA 02451

    Phone: (781) 487-9944

    Fax: (781) 487-9966

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2006-01-05

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20060105000127IPhysical Therapist In Private PracticeMATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
97110Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes2,281219$0
97112Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes1,811208$0
97530Therapy procedure using functional activities1,386174$0
97140Therapy procedure using manual technique, each 15 minutes43199$0
97535Training for self-care or home management, each 15 minutes8477$0
View full utilization report →

Insurance plans in this area (ZIP 02451)

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Provider's Procedures

WILLIAM HARRINGTON (PT) performs procedures in PHYSICAL THERAPIST IN PRIVATE PRACTICE. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
PHYSICAL THERAPYMA97001Physical therapy evaluation2421

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 6901708544View full group profile
NameSpecialtyState
-MA
Physical Therapist In Private PracticeMA
Physical Therapist In Private PracticeMA
Physical Therapist In Private PracticeMA
Physical Therapist In Private PracticeRI
-NH
-MA
Physical Therapist In Private PracticeRI
Physical Therapist In Private PracticeMA
-MA

Reviews

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Frequently asked questions

How do payers reference WILLIAM HARRINGTON (PT)?
For WILLIAM HARRINGTON (PT), use NPI 1043299902 as the unique 10-digit identifier.
Would WILLIAM HARRINGTON (PT) appear as active to a payer?
You can treat WILLIAM HARRINGTON (PT) as active for directory purposes; confirm clinical privileges separately.
What expertise is attributed to WILLIAM HARRINGTON (PT)?
WILLIAM HARRINGTON (PT)'s specialty line reads Physical Therapist. Clinical services aligned with this taxonomy classification.
What locale is associated with WILLIAM HARRINGTON (PT)?
Directory geography for WILLIAM HARRINGTON (PT) centers on Waltham, Massachusetts.
When was this NPI issued?
Enumeration for WILLIAM HARRINGTON (PT) is noted as January 10, 2006 where the registry provides it.

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