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

DONALD R COUSTAN M.D.
NPI 1215911367
Obstetrics & Gynecology in Providence, RI

Active since December 02, 2005
101 DUDLEY ST, PROVIDENCE, RI 02905(401) 274-1122(401) 453-7599 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

About Donald R Coustan M.d. NPPES

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

DONALD R COUSTAN M.D. (NPI 1215911367) is an individual obstetrics & gynecology provider in Providence, Rhode Island, licensed in Rhode Island (6028) and active in the NPI registry since December 2005.

NPPES Registry Identity

NPI1215911367
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameDONALD R COUSTANCredential: M.D.
Location Address101 DUDLEY STProvidence, RI 02905-2401
Mailing Address101 Dudley StProvidence, RI 02905-2401 · (401) 274-1122 · Fax (401) 453-7599
Fax(401) 453-7599
Sole ProprietorNo
Enumeration DateDecember 2, 2005
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
NPI 1215911367 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License Licensed in RI · 6028
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
Also ListedObstetrics & Gynecology · Maternal & Fetal MedicineTaxonomy 207VM0101X · License 6028 (RI)
101 DUDLEY ST, Providence, RI 02905

Other Identifiers 1

Medicaid7003805RI

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.

Internal Medicine
101 DUDLEY ST
PROVIDENCE, RI 02905
Obstetrics & Gynecology (Urogynecology and Reconstructive Pelvic Surgery)
101 DUDLEY ST
PROVIDENCE, RI 02905
Social Worker (Clinical)
101 DUDLEY ST
PROVIDENCE, RI 02905
Genetic Counselor, MS
101 DUDLEY ST
PROVIDENCE, RI 02905
Advanced Practice Midwife
101 DUDLEY ST
PROVIDENCE, RI 02905
Social Worker (Clinical)
101 DUDLEY ST
PROVIDENCE, RI 02905
Obstetrics & Gynecology (Obstetrics)
101 DUDLEY ST
PROVIDENCE, RI 02905
Obstetrics & Gynecology
101 DUDLEY ST
PROVIDENCE, RI 02905

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 Donald Coustan's NPI number?

The NPI number for Donald Coustan is 1215911367. It was assigned to this individual provider in the NPPES registry on December 2, 2005.

Where is Donald Coustan located?

Donald Coustan practices at 101 Dudley St, Providence, RI 02905. The listed phone number is (401) 274-1122.

What is Donald Coustan's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

When was this NPI record last updated?

The NPPES record for Donald Coustan was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 32 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.