WILLIAM GRANT PARKER PA-C
NPI 1932989696
Physician Assistant in Boston, MA

Q: What is William Parker's NPI number?

The NPI number for William Parker is 1932989696. It was assigned to this individual provider in the NPPES registry on October 2, 2023. The provider is also known as Grant Parker Pa-C.

Q: What is William Parker's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Q: When was this NPI record last updated?

The NPPES record for William Parker was last updated on November 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.

Active since October 02, 2023PECOS EnrolledAccepts Medicare Assignment

179 LONGWOOD AVE, BOSTON, MA 02115(617) 732-2850 Get Directions Write a Review

NPPES record last updated: November 21, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 21, 2025, May 23, 2025, Oct 2, 2023 (3 updates tracked since 2023).

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About William Grant Parker Pa-c NPPES

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

WILLIAM GRANT PARKER PA-C (NPI 1932989696) is an individual physician assistant in Boston, Massachusetts, licensed in Massachusetts (PA101771) and active in the NPI registry since October 2023. He is enrolled in Medicare PECOS, is affiliated with Berkshire Medical Center, and is a graduate of Other (2025).

NPPES Registry Identity

NPI1932989696

Entity TypeIndividualMale

Primary Taxonomy363A00000X

Provider Legal NameWILLIAM GRANT PARKERCredential: PA-C

Location Address179 LONGWOOD AVEBoston, MA 02115-5804

Mailing Address179 Longwood AveBoston, MA 02115-5804 · (617) 732-2850

Phone(617) 732-2850

Sole ProprietorNo

Medical School CMSOtherGraduated 2025

Enumeration DateOctober 2, 2023

Last NPPES UpdateNovember 21, 20253 updates tracked since enumeration

NPPES CertifiedNovember 21, 2025

✔ NPI 1932989696 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363A00000X

License✔ Licensed in MA · PA101771

Definition

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

179 LONGWOOD AVE, Boston, MA 02115

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Other Names 1

Other Name (5)Grant Parker Pa-c

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

William Grant Parker Pa-c 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 ID6901397744

PECOS Enrollment IDI20251119001480

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Berkshire Medical Center

Acute Care Hospitals · Pittsfield, MA

3/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number220046

Location725 North StreetPittsfield, MA 01201 · Berkshire County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02115 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$97.64 typical visit price

range $63.72 – $189.86

Typical copayment $24.41 (range $15.93 – $47.46)

Most-billed visit code 99203

Established Patient

$78.84 typical visit price

range $21.07 – $155.29

Typical copayment $19.71 (range $5.26 – $38.82)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

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

RYAN THOMAS HOEPPNER PA-C

Physician Assistant