Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mr. Herbert J Brennan, DO

Individual provider Internal Medicine Physician · NPI 1659489060

Mr. Herbert J Brennan, DO is an Internal Medicine in East Greenwich, Rhode Island. Graduated from Chicago College of Osteopathy in 1992, 34 years ago. Offers telehealth. Licensed in Rhode Island.

Years since qualifying
34
Trained at
Chicago College of Osteopathy
Licensed in
RI
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

2358 S County Trl
East Greenwich, RI 02818
Phone: (401) 886-6000
Fax: (401) 886-6002
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence D000445 (RI)

Record details

NPI number1659489060
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedAugust 26, 2006
Last updated in NPPESSeptember 10, 2008
Mailing address2358 South County Trail, East Greenwich, RI 02818

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolCHICAGO COLLEGE OF OSTEOPATHY
Graduated 1992 (34 years in practice)
Accepts Medicare assignment Not indicated
TelehealthOffers telehealth services

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