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

Jennifer O'Brien, MD

Individual provider Internal Medicine Physician · NPI 1841583093

Jennifer O'Brien, MD is an Internal Medicine in Providence, Rhode Island. Graduated from Warren Alpert Medical School of Brown University in 2011, 15 years ago. Practices with Lifespan Physician Group Inc, a 1,125-clinician group and accepts Medicare assignment. Licensed in Rhode Island.

Years since qualifying
15
Trained at
Warren Alpert Medical School of Brown University
Licensed in
RI
In the registry since
2011
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

164 Summit Ave
Providence, RI 02906-2853
Phone: (401) 793-2104
Fax: (401) 793-4047
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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 14605 (RI)

Record details

NPI number1841583093
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 20, 2011
Last updated in NPPESJune 16, 2014
Mailing address164 Summit Ave, Providence, RI 02906-2853

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolWARREN ALPERT MEDICAL SCHOOL OF BROWN UNIVERSITY
Graduated 2011 (15 years in practice)
Group practice Lifespan Physician Group Inc — 1125 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Providence