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SONOMA INTERNAL MEDICINE
NPI 1356419931
Internal Medicine in Sonoma, CA

Active since December 01, 2006
670 THIRD ST WEST, SONOMA, CA 95476(707) 938-5916(707) 938-8496 Get Directions Write a Review

NPPES record last updated: October 2, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Sonoma Internal Medicine NPPES

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

SONOMA INTERNAL MEDICINE (NPI 1356419931) is a healthcare organization registered as an internal medicine in Sonoma, California and active in the NPI registry since December 2006. The organization lists Dennis J Verducci, Partner, as its authorized official.

NPPES Registry Identity

NPI1356419931
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameCAMPBELL & VERDUCCI
Location Address670 THIRD ST WESTSonoma, CA 95476
Mailing Address670 Third St WestSonoma, CA 95476 · (707) 938-5916 · Fax (707) 938-8496
Phone(707) 938-5916
Fax(707) 938-8496
Organization SubpartNo
Authorized OfficialDennis J VerducciPartner · (707) 938-5916
Enumeration DateDecember 1, 2006
Last NPPES UpdateOctober 2, 2007
✔ NPI 1356419931 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
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.
670 THIRD ST WEST, Sonoma, CA 95476
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Other Names 1

Doing Business AsSonoma Internal Medicine

Other Identifiers 2

MedicaidGR0083820CA
Medicare PINZZZ15202ZCA

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

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Sonoma Internal Medicine is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Sonoma Internal Medicine, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Stuart Campbell, MD
Internal Medicine
NPI 1053427989
670 THIRD STREET WEST
Sonoma, CA 95476
(707) 938-5916
✔ PECOS✔ Accepts MedicareSame address
Dennis Verducci, MD
Internal Medicine
NPI 1437265360
670 3RD ST W
Sonoma, CA 95476
(707) 938-5916
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Campbell & Verducci's NPI number?

The NPI number for Campbell & Verducci is 1356419931. It was assigned to this organization in the NPPES registry on December 1, 2006. The provider is doing business as Sonoma Internal Medicine.

Where is Campbell & Verducci located?

Campbell & Verducci is located at 670 Third St West, Sonoma, CA 95476. The listed phone number is (707) 938-5916.

What is Campbell & Verducci's specialty?

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

Is Campbell & Verducci enrolled in Medicare?

Yes. Campbell & Verducci is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Campbell & Verducci?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Internal Medicine, reassign their Medicare billing to Campbell & Verducci. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Campbell & Verducci was last updated on October 2, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.