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

Dr. Gregory S Holst, MD

Individual provider Family Medicine Physician · NPI 1881601615

Dr. Gregory S Holst, MD is a Family Practice in Eureka, California. Graduated from University of Colorado School of Medicine, Denver in 1995, 31 years ago. Practices with Providence Medical Foundation, a 1,465-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
31
Trained at
University of Colorado School of Medicine, Denver
Licensed in
CA
In the registry since
2006
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

2675 Harris St
Eureka, CA 95503
Phone: (707) 443-8335
Fax: (707) 443-7327
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence C52586 (CA)

Record details

NPI number1881601615
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 2, 2006
Last updated in NPPESFebruary 15, 2021
Certification dateFebruary 15, 2021
Mailing address2675 Harris Street, Eureka, CA 95503

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolUNIVERSITY OF COLORADO SCHOOL OF MEDICINE, DENVER
Graduated 1995 (31 years in practice)
Group practice Providence Medical Foundation — 1465 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations4 on file with Medicare

Other providers in Eureka