Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

NORTHBAY HEALTH MEDICAL FOUNDATION
NPI 1760283527
Internal Medicine in Fairfield, CA

Q: What is Northbay Health Medical Foundation's NPI number?

The NPI number for Northbay Health Medical Foundation is 1760283527. It was assigned to this organization in the NPPES registry on March 19, 2025. The provider is doing business as NorthBay Health Medical Network.

Q: What is Northbay Health Medical Foundation's specialty?

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

Active since March 19, 2025

4500 BUSINESS CENTER DR, FAIRFIELD, CA 94534(707) 646-3110 Get Directions Write a Review

NPPES record last updated: June 23, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 7, 2026, Mar 19, 2025 (2 updates tracked since 2025).

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About Northbay Health Medical Foundation NPPES

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

NORTHBAY HEALTH MEDICAL FOUNDATION (NPI 1760283527), doing business as Northbay Health Medical Network, is a healthcare organization registered as an internal medicine in Fairfield, California and active in the NPI registry since March 2025. The organization maintains a secondary practice location in Fairfield and lists Joseph D'angina, Board Member, as its authorized official.

NPPES Registry Identity

NPI1760283527

Entity TypeOrganization

Primary Taxonomy207R00000X

Legal Business NameNORTHBAY HEALTH MEDICAL FOUNDATION

Location Address4500 BUSINESS CENTER DRFairfield, CA 94534-6888

Mailing Address4500 Business Center DrFairfield, CA 94534-6888 · (707) 646-3110

Phone(707) 646-3110

Organization SubpartNo

Authorized OfficialJoseph D'anginaBoard Member · (707) 646-3110

Enumeration DateMarch 19, 2025

Last NPPES UpdateJune 23, 20262 updates tracked since enumeration

NPPES CertifiedJune 23, 2026

✔ NPI 1760283527 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 13

★ 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.

Also ListedEmergency MedicineTaxonomy 207P00000X

Also ListedFamily MedicineTaxonomy 207Q00000X

Also ListedInternal Medicine · Advanced Heart Failure and Transplant CardiologyTaxonomy 207RA0001X

Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X

Also ListedInternal Medicine · Hematology & OncologyTaxonomy 207RH0003X

Also ListedInternal Medicine · Interventional CardiologyTaxonomy 207RI0011X

Also ListedInternal Medicine · Infectious DiseaseTaxonomy 207RI0200X

Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X

Also ListedOrthopaedic SurgeryTaxonomy 207X00000X

Also ListedPediatricsTaxonomy 208000000X

Also ListedPain Medicine · Pain MedicineTaxonomy 208VP0000X

Also ListedPodiatristTaxonomy 213E00000X

4500 BUSINESS CENTER DR, Fairfield, CA 94534

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Other Names 1

Doing Business AsNorthbay Health Medical Network

Secondary Practice Location 1

Location 15117 Business Center DrFairfield, CA 94534-1624 · Phone (707) 646-5500

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Other Providers at the Same Location NPPES 4

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

SOLANO DIAGNOSTICS PARTNERS, A CALIF LIMITED PARTNERSHIP

Radiology (Diagnostic Radiology)

4500 BUSINESS CENTER DR
FAIRFIELD, CA 94534

Solano County (707) 646-4777

DR. DOUGLAS GRANADA DADO DNP

Nurse Practitioner (Family)

4500 BUSINESS CENTER DR
FAIRFIELD, CA 94534

Solano County (707) 646-5000

MAY TUN M.D.

Emergency Medicine

4500 BUSINESS CENTER DR
FAIRFIELD, CA 94534

Solano County (707) 646-5000

SOLANO DIAGNOSTICS PARTNERS, A CALIF LIMITED PARTNERSHIP

Radiology (Diagnostic Radiology)

4500 BUSINESS CENTER DR
FAIRFIELD, CA 94534

Solano County (855) 820-5256

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 Northbay Health Medical Foundation's NPI number?

The NPI number for Northbay Health Medical Foundation is 1760283527. It was assigned to this organization in the NPPES registry on March 19, 2025. The provider is doing business as NorthBay Health Medical Network.

Where is Northbay Health Medical Foundation located?

Northbay Health Medical Foundation is located at 4500 Business Center Dr, Fairfield, CA 94534. The listed phone number is (707) 646-3110.

What is Northbay Health Medical Foundation's specialty?

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

When was this NPI record last updated?

The NPPES record for Northbay Health Medical Foundation was last updated on June 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 48 days 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.