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

KEENAN LARSEN DO
NPI 1962025817
Internal Medicine in Jbsa Ft Sam Houston, TX

Active since May 27, 2020
3551 ROGER BROOKE DR, JBSA FT SAM HOUSTON, TX 78234(210) 916-0797 Get Directions Write a Review

NPPES record last updated: July 2, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Aug 3, 2020, May 27, 2020 (2 updates tracked since 2020).

About Keenan Larsen Do NPPES

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

KEENAN LARSEN DO (NPI 1962025817) is an individual internal medicine provider in Jbsa Ft Sam Houston, Texas, licensed in Ohio (34.017348) and active in the NPI registry since May 2020.

NPPES Registry Identity

NPI1962025817
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameKEENAN LARSENCredential: DO
Location Address3551 ROGER BROOKE DRJbsa Ft Sam Houston, TX 78234-4504
Mailing Address3551 Roger Brooke DrJbsa Ft Sam Houston, TX 78234-4504 · (210) 916-0797
Sole ProprietorNo
Enumeration DateMay 27, 2020
Last NPPES UpdateJuly 2, 20262 updates tracked since enumeration
NPPES CertifiedJuly 2, 2026
NPI 1962025817 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in OH · 34.017348
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.
3551 ROGER BROOKE DR, Jbsa Ft Sam Houston, TX 78234

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.

Nurse Anesthetist, Certified Registered
3551 ROGER BROOKE DR
FORT SAM HOUSTON, TX 78234
Physician Assistant
3551 ROGER BROOKE DR
JBSA FT SAM HOUSTON, TX 78234
Pediatrics (Pediatric Endocrinology)
3551 ROGER BROOKE DR
FORT SAM HOUSTON, TX 78234
Social Worker (Clinical)
3551 ROGER BROOKE DR
FORT SAM HOUSTON, TX 78234
Neurological Surgery
3551 ROGER BROOKE DR
FORT SAM HOUSTON, TX 78234
Social Worker (Clinical)
3551 ROGER BROOKE DR
FORT SAM HOUSTON, TX 78234
Ophthalmology
3551 ROGER BROOKE DR
JBSA FORT SAM HOUSTON, TX 78234
Emergency Medicine (Emergency Medical Services)
3551 ROGER BROOKE DR
FORT SAM HOUSTON, TX 78234

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 Keenan Larsen's NPI number?

The NPI number for Keenan Larsen is 1962025817. It was assigned to this individual provider in the NPPES registry on May 27, 2020.

Where is Keenan Larsen located?

Keenan Larsen practices at 3551 Roger Brooke Dr, Jbsa Ft Sam Houston, TX 78234. The listed phone number is (210) 916-0797.

What is Keenan Larsen'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 Keenan Larsen was last updated on July 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 38 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.