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GREGORY T BRENNAN PA-C
NPI 1629300124
Physician Assistant in Boston, MA

Active since February 08, 2010PECOS EnrolledAccepts Medicare Assignment
147 MILK ST, BOSTON, MA 02109(617) 559-8239(617) 421-3487 Get Directions Write a Review

NPPES record last updated: January 11, 2012. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Gregory T Brennan Pa-c NPPES

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

GREGORY T BRENNAN PA-C (NPI 1629300124) is an individual physician assistant in Boston, Massachusetts, licensed in Massachusetts (PA4313) and active in the NPI registry since February 2010. He is enrolled in Medicare PECOS and is a graduate of Other (2009).

NPPES Registry Identity

NPI1629300124
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameGREGORY T BRENNANCredential: PA-C
Location Address147 MILK STBoston, MA 02109-4806
Mailing Address147 Milk StBoston, MA 02109-4806 · (617) 559-8239 · Fax (617) 421-3487
Phone(617) 559-8239
Fax(617) 421-3487
Sole ProprietorNo
Medical School CMSOtherGraduated 2009
Enumeration DateFebruary 8, 2010
Last NPPES UpdateJanuary 11, 2012
✔ NPI 1629300124 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in MA · PA4313
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.
Also ListedPhysician Assistant · MedicalTaxonomy 363AM0700X · License 0758 (NH)
147 MILK ST, Boston, MA 02109
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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

Gregory T Brennan 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 ID941326862
PECOS Enrollment IDI20120515000035
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02109 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.

DR. JOHN PAUL BENESKI D.C.
Chiropractor
147 MILK ST, 7TH FLOOR
BOSTON, MA 02109
Suffolk County (617) 399-0333
ERIN S JOSPE M.D.
Internal Medicine
147 MILK ST, INTERNAL MEDICINE
BOSTON, MA 02109
Suffolk County (617) 654-7210
MS. EFFIE O'DONNELL
Physical Therapist
147 MILK ST
BOSTON, MA 02109
Suffolk County (617) 654-7130
OLIVIA PIETRA BANE FNP
Nurse Practitioner
147 MILK ST
BOSTON, MA 02109
Suffolk County (617) 654-7090
ANGELA D. MERGEL PT
Physical Therapist
147 MILK ST
BOSTON, MA 02109
Suffolk County (617) 654-7130
CHELSEA R EVANS MD
Family Medicine
147 MILK ST
BOSTON, MA 02109
Suffolk County (617) 654-7000
ATRIUS HEALTH, INC.
Psychologist
147 MILK ST
BOSTON, MA 02109
Suffolk County (617) 654-7000
RACHEL FLYNN CNM
Advanced Practice Midwife
147 MILK ST
BOSTON, MA 02109
Suffolk County (617) 654-7280

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 Gregory Brennan's NPI number?

The NPI number for Gregory Brennan is 1629300124. It was assigned to this individual provider in the NPPES registry on February 8, 2010.

Where is Gregory Brennan located?

Gregory Brennan practices at 147 Milk St, Boston, MA 02109. The listed phone number is (617) 559-8239.

What is Gregory Brennan's specialty?

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

Is Gregory Brennan enrolled in Medicare?

Yes. Gregory Brennan 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.

When was this NPI record last updated?

The NPPES record for Gregory Brennan was last updated on January 11, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years 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.