1. Home
  2. Directory
  3. Massachusetts
  4. Boston
  5. Internal Medicine
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

GREGORY MICHAEL GHEEWALLA
NPI 1609579630
Internal Medicine in Boston, MA

Active since March 27, 2023PECOS Enrolled
801 MASSACHUSETTS AVE, BOSTON MEDICAL CENTER, 6TH FLOOR, BOSTON, MA 02118(617) 414-5951(617) 414-9201 Get Directions Write a Review

NPPES record last updated: September 16, 2026. Verified against the NPPES registry weekly; last sync: September 20, 2026.

Record update history: Sep 16, 2026, Mar 27, 2023 (2 updates tracked since 2023).

About Gregory Michael Gheewalla NPPES

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

GREGORY MICHAEL GHEEWALLA (NPI 1609579630) is an individual internal medicine provider in Boston, Massachusetts, licensed in Massachusetts (1027268) and active in the NPI registry since March 2023. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1609579630
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameGREGORY MICHAEL GHEEWALLA
Location Address801 MASSACHUSETTS AVE, BOSTON MEDICAL CENTER, 6TH FLOORBoston, MA 02118
Mailing Address801 Massachusetts Ave Suite 6c, Crosstown BldgBoston, MA 02118-2605 · (617) 414-5951 · Fax (617) 414-9201
Phone(617) 414-5951
Fax(617) 414-9201
Sole ProprietorNo
Enumeration DateMarch 27, 2023
Last NPPES UpdateSeptember 16, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 15, 2026
✔ NPI 1609579630 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MA · 1027268
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
801 MASSACHUSETTS AVE, BOSTON MEDICAL CENTER, Boston, MA 02118
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gregory Michael Gheewalla is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 02118 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
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Gheewalla's NPI number?

The NPI number for Gregory Gheewalla is 1609579630. It was assigned to this individual provider in the NPPES registry on March 27, 2023.

Where is Gregory Gheewalla located?

Gregory Gheewalla practices at 801 Massachusetts Ave, Boston Medical Center 6th Floor, Boston, MA 02118. The listed phone number is (617) 414-5951.

What is Gregory Gheewalla's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Gregory Gheewalla enrolled in Medicare?

Yes. Gregory Gheewalla is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Gregory Gheewalla was last updated on September 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.