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

Gary Nichols, MD

Individual provider Hematology (Internal Medicine) Physician · NPI 1033201587

Gary Nichols, MD is a General Practice in Santa Rosa, California. Graduated from University of Kansas School of Med (KC/WICH/SAL) in 1981, 45 years ago. Practices with Sutter Bay Medical Foundation, a 3,762-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
45
Trained at
University of Kansas School of Med (KC/WICH/SAL)
Licensed in
CA
In the registry since
2006
Specialties on file
4
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

2455 Summerfield Rd
Santa Rosa, CA 95405
Phone: (707) 308-2815
Fax: (707) 573-5439
Show map & directions

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

Additional practice locations (1)

  • 3883 Airway Dr, Santa Rosa, CA 95403-1670 — (707) 521-8900

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence G73872 (CA)
Hematology (Internal Medicine) Physician Taxonomy 207RH0000X · Licence 181851 (CA)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence 181851 (CA)
Medical Oncology Physician Taxonomy 207RX0202X · Licence 181851 (CA)

Record details

NPI number1033201587
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 29, 2006
Last updated in NPPESJuly 10, 2019

Medicare enrollment

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

Medicare specialtyGENERAL PRACTICE
Medical schoolUNIVERSITY OF KANSAS SCHOOL OF MED (KC/WICH/SAL)
Graduated 1981 (45 years in practice)
Group practice Sutter Bay Medical Foundation — 3762 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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