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

Dr. Gary L. Harkins, MD

Individual provider Hematology & Oncology Physician · NPI 1942204375

Dr. Gary L. Harkins, MD is a Hematology & Oncology Physician in San Luis Obispo, California. Licensed in California. Registered with an NPI since 2005.

Licensed in
CA
In the registry since
2005
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

1941 Johnson Ave Ste 201
San Luis Obispo, CA 93401-4169
Phone: (805) 543-5577
Fax: (805) 595-3231
Show map & directions

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

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence G25721 (CA)

Record details

NPI number1942204375
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 13, 2005
Last updated in NPPESJuly 9, 2007

Other providers in San Luis Obispo