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

Isabel S Obrien, MD, MPH

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1386387488

Isabel S Obrien, MD, MPH is an Emergency Medicine in San Francisco, California. Graduated from Tufts University School of Medicine in 2022, 4 years ago. Licensed in California and Tennessee.

Years since qualifying
4
Trained at
Tufts University School of Medicine
Licensed in
CA, TN
In the registry since
2022
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
MPH — Master of Public Health
A graduate degree in population health.

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Practice location Address checks out

Student / training record This NPI belongs to someone enrolled in a health care training programme. It carries no licence and no practice of its own, so no address or phone number is published for it.

San Francisco, CA

No coordinates on file. Search this address in Google Maps

Specialties & licences

Hospice and Palliative Medicine (Emergency Medicine) Physician (primary) Taxonomy 207PH0002X · Licence A202699 (CA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X
Emergency Medicine Physician Taxonomy 207P00000X · Licence 72964 (TN)

Record details

NPI number1386387488
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD , MPH
Sole proprietorNo
NPI enumeratedApril 16, 2022
Last updated in NPPESJune 17, 2025
Certification dateJune 17, 2025

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolTUFTS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2022 (4 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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