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

Carolyn Tiernan, MD

Individual provider Emergency Medicine Physician · NPI 1215947981

Carolyn Tiernan, MD is an Emergency Medicine in Oakland, California. Graduated from Stanford University School of Medicine in 1978, 48 years ago. Practices with Northern Inyo Healthcare District, a 107-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
48
Trained at
Stanford University School of Medicine
Licensed in
CA
In the registry since
2006
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

2107 Livingston St Ste A
Oakland, CA 94606-5218
Phone: (510) 436-9000
Fax: (510) 436-9013
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence G40571 (CA)

Record details

NPI number1215947981
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 8, 2006
Last updated in NPPESJuly 8, 2007

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolSTANFORD UNIVERSITY SCHOOL OF MEDICINE
Graduated 1978 (48 years in practice)
Group practice Northern Inyo Healthcare District — 107 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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