DARREN D BRENNAN M.D.
NPI 1710904172
Radiology - Diagnostic Radiology in Marlborough, MA

Active since July 15, 2006
157 UNION ST, MARLBOROUGH, MA 01752(508) 486-5600(508) 229-1241 Get Directions Write a Review

NPPES record last updated: May 19, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 19, 2021, Nov 23, 2020 (2 updates tracked since 2020).

About Darren D Brennan M.d. NPPES

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

DARREN D BRENNAN M.D. (NPI 1710904172) is an individual diagnostic radiology provider in Marlborough, Massachusetts, licensed in Massachusetts (228330) and active in the NPI registry since July 2006. He maintains a secondary practice location in Worcester.

NPPES Registry Identity

NPI1710904172
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameDARREN D BRENNANCredential: M.D.
Location Address157 UNION STMarlborough, MA 01752-1228
Mailing AddressPo Box 415348Boston, MA 02241-5348 · (800) 225-8885
Fax(508) 229-1241
Sole ProprietorNo
Enumeration DateJuly 15, 2006
Last NPPES UpdateMay 19, 20212 updates tracked since enumeration
NPPES CertifiedMay 19, 2021
NPI 1710904172 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License Licensed in MA · 228330
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
157 UNION ST, Marlborough, MA 01752

Secondary Practice Location 1

Location 155 Lake Ave NWorcester, MA 01655-0002 · Phone (508) 334-7237 · Fax (774) 441-8443

Other Identifiers 1

Medicaid110073995AMA

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.

Dietitian, Registered
157 UNION ST
MARLBOROUGH, MA 01752
Family Medicine
157 UNION ST
MARLBOROUGH, MA 01752
Nurse Practitioner (Psychiatric/Mental Health)
157 UNION ST
MARLBOROUGH, MA 01752
Internal Medicine (Hematology & Oncology)
157 UNION ST
MARLBOROUGH, MA 01752
Physical Therapist
157 UNION ST
MARLBOROUGH, MA 01752
Radiology (Radiation Oncology)
157 UNION ST
MARLBOROUGH, MA 01752
Physician Assistant
157 UNION ST, DEPARTMENT OF EMERGENCY MEDICINE
MARLBOROUGH, MA 01752
Internal Medicine
157 UNION ST
MARLBOROUGH, MA 01752

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 Darren Brennan's NPI number?

The NPI number for Darren Brennan is 1710904172. It was assigned to this individual provider in the NPPES registry on July 15, 2006.

Where is Darren Brennan located?

Darren Brennan practices at 157 Union St, Marlborough, MA 01752. The listed phone number is (508) 486-5600.

What is Darren Brennan's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

When was this NPI record last updated?

The NPPES record for Darren Brennan was last updated on May 19, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.