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DR. JOANNE SULLIVAN M.D.
NPI 1396965315
Internal Medicine in Westborough, MA

Active since May 01, 2007
15 GARFIELD DR, WESTBOROUGH, MA 01581(508) 366-3719(508) 366-3719 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Joanne Sullivan M.d. NPPES

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

DR. JOANNE SULLIVAN M.D. (NPI 1396965315) is an individual internal medicine provider in Westborough, Massachusetts, licensed in Massachusetts (158278) and active in the NPI registry since May 2007.

NPPES Registry Identity

NPI1396965315
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. JOANNE SULLIVANCredential: M.D.
Location Address15 GARFIELD DRWestborough, MA 01581-3609
Mailing Address15 Garfield DrWestborough, MA 01581-3609 · (508) 366-3719 · Fax (508) 366-3719
Phone(508) 366-3719
Fax(508) 366-3719
Sole ProprietorYes
Enumeration DateMay 1, 2007
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1396965315 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MA · 158278
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.
Also ListedEmergency MedicineTaxonomy 207P00000X · License 158278 (MA)
15 GARFIELD DR, Westborough, MA 01581
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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 Joanne Sullivan's NPI number?

The NPI number for Joanne Sullivan is 1396965315. It was assigned to this individual provider in the NPPES registry on May 1, 2007.

Where is Joanne Sullivan located?

Joanne Sullivan practices at 15 Garfield Dr, Westborough, MA 01581. The listed phone number is (508) 366-3719.

What is Joanne Sullivan's specialty?

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

When was this NPI record last updated?

The NPPES record for Joanne Sullivan was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.