JOHN T BRENNAN MD
NPI 1891776977
Family Medicine in Onalaska, WI

Q: What is John Brennan's NPI number?

The NPI number for John Brennan is 1891776977. It was assigned to this individual provider in the NPPES registry on November 7, 2005.

Q: What is John Brennan's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for John Brennan was last updated on June 13, 2019. 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.

Active since November 07, 2005

191 THEATER RD, ONALASKA, WI 54650(608) 785-0940 Get Directions Write a Review

NPPES record last updated: June 13, 2019. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jun 13, 2019, May 24, 2019, Oct 11, 2018 (3 updates tracked since 2018).

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About John T Brennan Md NPPES

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

JOHN T BRENNAN MD (NPI 1891776977) is an individual family medicine provider in Onalaska, Wisconsin, licensed in Wisconsin (16368) and active in the NPI registry since November 2005. He maintains 2 additional practice locations.

NPPES Registry Identity

NPI1891776977

Entity TypeIndividualMale

Primary Taxonomy207Q00000X

Provider Legal NameJOHN T BRENNANCredential: MD

Location Address191 THEATER RDOnalaska, WI 54650

Mailing AddressPo Box 1510Eau Claire, WI 54702-1510 · (715) 838-5222

Phone(608) 785-0940

Sole ProprietorNo

Enumeration DateNovember 7, 2005

Last NPPES UpdateJune 13, 20193 updates tracked since enumeration

✔ NPI 1891776977 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in WI · 16368

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

Also ListedEmergency MedicineTaxonomy 207P00000X · License 16368 (WI), 21682 (MN)

Also ListedInternal MedicineTaxonomy 207R00000X · License 16368 (WI)

191 THEATER RD, Onalaska, WI 54650

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Secondary Practice Locations 2

Location 1325 Butts AveTomah, WI 54660-1412 · Phone (608) 785-0940

Location 2800 West Ave SLA Crosse, WI 54601-8806 · Phone (608) 785-0940 · Fax (608) 269-1010

Other Providers at the Same Location NPPES 20

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

MRS. DANIALLE DRAEGER PT

Physical Therapist