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

Dr. Karen Callen, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1952459349

Dr. Karen Callen, MD is an Obstetrics/Gynecology in San Francisco, California. Graduated from Tulane University School of Medicine in 1984, 42 years ago. Practices with Regents Univ of California UCSF, a 272-clinician group and offers telehealth. Licensed in California.

Years since qualifying
42
Trained at
Tulane University School of Medicine
Licensed in
CA
In the registry since
2007
Specialties on file
2
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

1725 Montgomery St Ste 200
San Francisco, CA 94111-1030
Phone: (415) 831-2180
Fax: (415) 668-6970
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence A42176 (CA)
Obstetrics & Gynecology Physician Taxonomy 207V00000X · Licence A42176 (CA)

Record details

NPI number1952459349
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 8, 2007
Last updated in NPPESAugust 27, 2019

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolTULANE UNIVERSITY SCHOOL OF MEDICINE
Graduated 1984 (42 years in practice)
Group practice Regents Univ Of California Ucsf — 272 clinicians
Accepts Medicare assignment Not indicated
TelehealthOffers telehealth services

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