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GUY DELOREFICE M.D. INC.
NPI 1033446125
Internal Medicine in Sonoma, CA

Active since November 10, 2009CLIA 05D2129745 · Waiver
370 PERKINS ST, SONOMA, CA 95476(707) 938-1255(707) 938-2321 Get Directions Write a Review

NPPES record last updated: December 4, 2018. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Guy Delorefice M.d. Inc. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GUY DELOREFICE M.D. INC. (NPI 1033446125) is a healthcare organization registered as an internal medicine in Sonoma, California and active in the NPI registry since November 2009. The organization holds a CLIA Waiver certificate valid through April 24, 2027 and lists Guy Delorefice, Officer, as its authorized official.

NPPES Registry Identity

NPI1033446125
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameGUY DELOREFICE M.D. INC.
Location Address370 PERKINS STSonoma, CA 95476-6827
Mailing Address370 Perkins StSonoma, CA 95476-6827 · (707) 938-1255 · Fax (707) 938-2321
Phone(707) 938-1255
Fax(707) 938-2321
Organization SubpartNo
Authorized OfficialGuy DeloreficeOfficer · (707) 938-1255
Enumeration DateNovember 10, 2009
Last NPPES UpdateDecember 4, 2018
✔ NPI 1033446125 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A0689180
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
370 PERKINS ST, Sonoma, CA 95476
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D2129745

Guy Delorefice MD Inc · Sonoma, CA
Active · expires Apr 24, 2027
CLIA Number05D2129745
Laboratory TypePhysician Office
Certificate Effective DateApril 25, 2025
Certificate Expiration DateApril 24, 2027
Laboratory DirectorGuy Delorefice
Laboratory Phone(707) 938-1255
Laboratory LocationGuy Delorefice MD Inc370 Perkins St, Sonoma, CA 95476
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

GUY DELOREFICE M.D.
Internal Medicine
370 PERKINS ST
SONOMA, CA 95476
Sonoma County (707) 938-1255

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Guy Delorefice M.D. Inc.'s NPI number?

The NPI number for Guy Delorefice M.D. Inc. is 1033446125. It was assigned to this organization in the NPPES registry on November 10, 2009.

Where is Guy Delorefice M.D. Inc. located?

Guy Delorefice M.D. Inc. is located at 370 Perkins St, Sonoma, CA 95476. The listed phone number is (707) 938-1255.

What is Guy Delorefice M.D. Inc.'s specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Does Guy Delorefice M.D. Inc. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D2129745) is associated with this NPI, valid through April 24, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Guy Delorefice M.D. Inc. was last updated on December 4, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.