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

Guy Delorefice, MD

Individual provider Internal Medicine Physician · NPI 1952426421

Guy Delorefice, MD is an Internal Medicine in Sonoma, California. Graduated from Creighton University School of Medicine in 1996, 30 years ago. Accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
30
Trained at
Creighton University School of Medicine
Licensed in
CA
In the registry since
2007
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

370 Perkins St
Sonoma, CA 95476-6827
Phone: (707) 938-1255
Fax: (707) 938-2321
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A0689180 (CA)

Record details

NPI number1952426421
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 20, 2007
Last updated in NPPESJune 18, 2026
Certification dateJune 18, 2026
Mailing address370 Perkins St, Sonoma, CA 95476-6827

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolCREIGHTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 1996 (30 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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