BRENNAN MEDICAL GROUP
NPI 1962411264
Internal Medicine - Pulmonary Disease in Watsonville, CA

Q: What is Brennan Medical Group's NPI number?

The NPI number for Brennan Medical Group is 1962411264. It was assigned to this organization in the NPPES registry on August 5, 2006.

Q: What is Brennan Medical Group's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Active since August 05, 2006

30 BRENNAN ST, WATSONVILLE, CA 95076(831) 768-0220(831) 722-1702 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 11, 2025, Aug 22, 2020 (2 updates tracked since 2020).

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About Brennan Medical Group NPPES

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

BRENNAN MEDICAL GROUP (NPI 1962411264) is a healthcare organization registered as a pulmonary disease in Watsonville, California and active in the NPI registry since August 2006. The organization lists Mark Gerard Byrne, Owner/physician, as its authorized official.

NPPES Registry Identity

NPI1962411264

Entity TypeOrganization

Primary Taxonomy207RP1001X

Legal Business NameBRENNAN MEDICAL GROUP

Location Address30 BRENNAN STWatsonville, CA 95076-4303

Mailing Address30 Brennan StWatsonville, CA 95076-4303 · (831) 768-0220 · Fax (831) 722-1702

Phone(831) 768-0220

Fax(831) 722-1702

Organization SubpartNo

Authorized OfficialMark Gerard ByrneOwner/physician · (831) 768-0220

Enumeration DateAugust 5, 2006

Last NPPES UpdateSeptember 11, 20252 updates tracked since enumeration

✔ NPI 1962411264 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RP1001X

Definition

An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

Also ListedFamily MedicineTaxonomy 207Q00000X

Also ListedInternal MedicineTaxonomy 207R00000X

Also ListedInternal Medicine · Interventional CardiologyTaxonomy 207RI0011X

Other Identifiers 1

Medicaid00G743880CA

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 7

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

CHRISTOPHER MILLS PA

Physician Assistant