Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MR. WILLIAM JOSEPH HARRER OTR-L, CHT
NPI 1952364291
Occupational Therapist - Hand in Moorestown, NJ

Active since April 08, 2006
100/100
CMS Quality Rating
300 W ROUTE 38 STE C, MOORESTOWN, NJ 08057(609) 267-9400 Get Directions Write a Review

NPPES record last updated: July 30, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 30, 2026, Nov 24, 2023, Jul 30, 2020 (3 updates tracked since 2020).

About Mr. William Joseph Harrer Otr-l, Cht NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. WILLIAM JOSEPH HARRER OTR-L, CHT (NPI 1952364291) is an individual hand provider in Moorestown, New Jersey, licensed in New Jersey (46TR00238600) and active in the NPI registry since April 2006. He maintains 2 additional practice locations and is a graduate of Other (2000).

NPPES Registry Identity

NPI1952364291
Entity TypeIndividualMale
Primary Taxonomy225XH1200X
Provider Legal NameMR. WILLIAM JOSEPH HARRERCredential: OTR-L, CHT
Location Address300 W ROUTE 38 STE CMoorestown, NJ 08057-3424
Mailing Address301 Lippincott Dr Ste 410Marlton, NJ 08053-4197 · (856) 355-6000
Sole ProprietorNo
Medical School CMSOtherGraduated 2000
Enumeration DateApril 8, 2006
Last NPPES UpdateJuly 30, 20263 updates tracked since enumeration
NPPES CertifiedJuly 30, 2026
NPI 1952364291 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyOccupational Therapist · HandRespiratory, Developmental, Rehabilitative and Restorative Service Providers
Taxonomy Code225XH1200X
License Licensed in NJ · 46TR00238600
Also ListedOccupational TherapistTaxonomy 225X00000X · License 46TR00238600 (NJ)
300 W ROUTE 38 STE C, Moorestown, NJ 08057

Secondary Practice Locations 2

Location 1570 Egg Harbor Rd Ste C-4CSewell, NJ 08080-2359 · Phone (609) 267-9400
Location 2239 Hurffville Crosskeys Rd Ste 470Sewell, NJ 08080-4009 · Phone (856) 983-4263 · Fax (856) 341-8496

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Mr. William Joseph Harrer Otr-l, Cht is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6800077033
PECOS Enrollment IDI20110222000526

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes 97110
This therapy involves exercises to boost strength, endurance, flexibility, and range of motion. Each session lasts 15 minutes. The goal is to improve physical function and overall health. It's a safe, beneficial method for enhancing well-being and fitness.
373 services29 patients
Therapy procedure using manual technique, each 15 minutes 97140
This therapy involves using hands-on techniques to help improve your body's movement and function. These techniques may include stretching, resistance exercises, or gentle pressure. Each session lasts 15 minutes and aims to relieve pain, promote healing, and improve your overall health.
254 services28 patients
Therapy procedure using functional activities 97530
A therapy procedure using functional activities encourages you to use your own body movements in day-to-day tasks to aid recovery. It aims to improve your mobility, strength, and overall health by incorporating therapeutic exercises into your routine.
178 services25 patients
Training for self-care or home management, each 15 minutes 97535
This service involves training sessions, each lasting 15 minutes, focused on teaching you essential self-care or home management skills. You'll learn techniques to manage your health condition at home, promoting independence and enhancing your quality of life.
29 services21 patients
Evaluation for occupational therapy, typically 30 minutes 97165
An evaluation for occupational therapy is a process where a therapist assesses your physical and mental abilities to perform daily activities. This 30-minute session helps identify any difficulties you may have and develop strategies for improvement.
28 services28 patients
Re-evaluation for occupational therapy, typically 30 minutes 97168
A re-evaluation for occupational therapy is a 30-minute session where your therapist assesses your progress and updates your treatment plan. It's crucial to ensure the therapy continues to meet your needs and help improve your daily living skills.
15 services11 patients

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physical Therapist
300 W ROUTE 38 STE C
MOORESTOWN, NJ 08057
Physical Therapist
300 W ROUTE 38 STE C
MOORESTOWN, NJ 08057
Occupational Therapist
300 W ROUTE 38 STE C
MOORESTOWN, NJ 08057
Physical Therapist
300 W ROUTE 38 STE C
MOORESTOWN, NJ 08057

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Harrer's NPI number?

The NPI number for William Harrer is 1952364291. It was assigned to this individual provider in the NPPES registry on April 8, 2006.

Where is William Harrer located?

William Harrer practices at 300 W Route 38 Ste C, Moorestown, NJ 08057. The listed phone number is (609) 267-9400.

What is William Harrer's specialty?

The primary specialty registered for this NPI is Occupational Therapist, specializing in Hand, with taxonomy code 225XH1200X.

Is William Harrer enrolled in Medicare?

Yes. William Harrer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does William Harrer accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list William Harrer as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for William Harrer was last updated on July 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.