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

Dr. Gilbert Owen Andersen, MD

Individual provider Internal Medicine Physician · NPI 1821091836

Dr. Gilbert Owen Andersen, MD is an Internal Medicine in Lompoc, California. Graduated from University of California, Irvine, California College of Medicine in 1974, 52 years ago. Practices with Lompoc Valley Medical Center, a 91-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
52
Trained at
University of California, Irvine, California College of Medicine
Licensed in
CA
In the registry since
2005
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

136 N 3rd St
Lompoc, CA 93436-7002
Phone: (805) 736-1253
Fax: (805) 736-5355
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A29916 (CA)

Record details

NPI number1821091836
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 23, 2005
Last updated in NPPESNovember 29, 2016
Mailing addressPo Box 2700, Lompoc, CA 93438-2700

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF CALIFORNIA, IRVINE, CALIFORNIA COLLEGE OF MEDICINE
Graduated 1974 (52 years in practice)
Group practice Lompoc Valley Medical Center — 91 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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