Darren D. Brennan, M.D.
Diagnostic Radiology Physician · Marlborough, MA
Darren D. Brennan, M.D. is a diagnostic radiology physician with a practice address in Marlborough, Massachusetts, and NPI 1710904172, issued on Jul 15, 2006. Check the license (Massachusetts 228330, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Darren D. Brennan
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- 228330 MA
Self-reported in NPPES; status is on the state search - Practice location
- 157 Union St, Marlborough, MA 01752
- Phone
- (508) 486-5600
- Enumerated
- Jul 15, 2006
- Record last updated
- May 19, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (508) 229-1241
- Medicaid ID
- 110073995A MA
- Entity
- Type 1 · individual
Also registered at 157 Union St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sandra Acevedo, LICSWSocial Worker1649383530
- Oluwaseun AdaramolaInternal Medicine Physician1104247535
- Elikplim Akaho, MD MHSInternal Medicine Physician1316520711
- Lourdes Alvarez-Moreno, RNRegistered Nurse1174413892
- Nina Amata, LCSWClinical Social Worker1295401008
- Evandro Andrade, PMHNPPsychiatric/Mental Health Nurse Practitioner1033051909
Verify Darren D. Brennan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 228330Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Diagnostic Radiology Physician providers in Massachusetts
There are 1,658 diagnostic radiology physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,658 in Massachusetts → Every provider in Marlborough →
Other diagnostic radiology physician records in Massachusetts
- Aly AbayazeedWorcester, MA1821221946
- Mashya Abbassi, MDBoston, MA1114459179
- Gerald Abbott, MDBoston, MA1316935299
- Mohamad Abdalkader, M.D.Boston, MA1124472584
- Shadi Abdar Esfahani, MD, MPHBoston, MA1497137590
- Essmaeel Abdel-Dayem, MDSouth Weymouth, MA1427088335
- Scott Abel, MDLowell, MA1124020201
- Godwin Abiola, MDBoston, MA1740645035
- Janeiro Achibiri, M.D.Boston, MA1548641822
- Jeanne Ackman, M.D.Boston, MA1285692897
Common questions
What is Darren D. Brennan, M.D.'s NPI number?
Darren D. Brennan, M.D.'s National Provider Identifier (NPI) is 1710904172, issued on Jul 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Darren D. Brennan, M.D. located?
The NPPES record lists a practice address at 157 Union St, Marlborough, MA, 01752. Phone: (508) 486-5600. Providers update this record themselves, so call before visiting.
How can I verify Darren D. Brennan, M.D.'s license?
NPPES lists Massachusetts license number 228330, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.