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

W Kiernan O'Callaghan

Individual provider Internal Medicine Physician · NPI 1932294816

W Kiernan O'Callaghan is an Internal Medicine in Santa Barbara, California. Graduated from Georgetown University School of Medicine in 1971, 55 years ago. Practices with Sansum Clinic, a 320-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
55
Trained at
Georgetown University School of Medicine
Licensed in
CA
In the registry since
2006
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Practice location Address checks out

51 Hitchcock Way
Santa Barbara, CA 93105-3101
Phone: (805) 681-1761
Fax: (805) 681-1768
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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 G23727 (CA)

Record details

NPI number1932294816
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedOctober 4, 2006
Last updated in NPPESNovember 28, 2012

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolGEORGETOWN UNIVERSITY SCHOOL OF MEDICINE
Graduated 1971 (55 years in practice)
Group practice Sansum Clinic — 320 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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