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

Christopher D Olonan, MD

Individual provider Internal Medicine Physician · NPI 1013050541

Christopher D Olonan, MD is an Internal Medicine Physician in San Diego, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1835 El Cajon Blvd Ste 8
San Diego, CA 92103
Phone: (619) 688-9000
Fax: (619) 692-4160
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 A88005 (CA)

Record details

NPI number1013050541
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 15, 2007
Last updated in NPPESJuly 8, 2007

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