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

Ruth A Hahn, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1528118262

Ruth A Hahn, MD is an Obstetrics/Gynecology in Fairfield, California. Graduated from George Washington University School of Medicine in 2002, 24 years ago. Practices with SNF Specialists Medical Corporation, a 26-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
24
Trained at
George Washington University School of Medicine
Licensed in
CA
In the registry since
2007
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

1255 Travis Blvd
Fairfield, CA 94533-4801
Phone: (510) 984-1103
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence A88964 (CA)

Record details

NPI number1528118262
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 12, 2007
Last updated in NPPESMay 3, 2022
Certification dateMay 3, 2022
Mailing addressPo Box 127, Napa, CA 94559-0127

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolGEORGE WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 2002 (24 years in practice)
Group practice Snf Specialists Medical Corporation — 26 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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