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

Dr. Gregory J Porter, MD

Individual provider Pain Medicine (Anesthesiology) Physician · NPI 1790741262

Dr. Gregory J Porter, MD is an Anesthesiology in Grass Valley, California. Graduated from State University of New York at Stony Brook, School of Medicine in 1990, 36 years ago. Works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
36
Trained at
State University of New York at Stony Brook, School of Medicine
Licensed in
CA
In the registry since
2006
Specialties on file
3
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

400 Sierra College Dr Ste B
Grass Valley, CA 95945-5093
Phone: (530) 272-3428
Fax: (530) 272-3429
Show map & directions

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

Additional practice locations (1)

  • 605 W East Ave, Chico, CA 95926-7201 — (530) 343-4757

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence G72310 (CA)
Pain Medicine (Anesthesiology) Physician Taxonomy 207LP2900X · Licence G72310 (CA)
Interventional Pain Medicine Physician Taxonomy 208VP0014X · Licence G72310 (CA)

Record details

NPI number1790741262
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 25, 2006
Last updated in NPPESJune 18, 2024
Certification dateJune 18, 2024
Mailing addressPo Box 25033, Santa Ana, CA 92799-5033

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Also practisesINTERVENTIONAL PAIN MANAGEMENT
Medical schoolSTATE UNIVERSITY OF NEW YORK AT STONY BROOK, SCHOOL OF MEDICINE
Graduated 1990 (36 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations5 on file with Medicare