DR. DENNIS G LARSON M.D.
NPI 1891791950
Internal Medicine - Cardiovascular Disease in Fort Collins, CO

Active since June 23, 2005
2121 E HARMONY RD, UNIT 100, FORT COLLINS, CO 80528(970) 221-1000(970) 297-6860 Get Directions Write a Review

NPPES record last updated: June 12, 2014. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Dennis G Larson M.d. NPPES

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

DR. DENNIS G LARSON M.D. (NPI 1891791950) is an individual cardiovascular disease provider in Fort Collins, Colorado, licensed in Colorado (19667) and active in the NPI registry since June 2005.

NPPES Registry Identity

NPI1891791950
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameDR. DENNIS G LARSONCredential: M.D.
Location Address2121 E HARMONY RD, UNIT 100Fort Collins, CO 80528-3401
Mailing Address2121 E Harmony Rd, Suite 100Fort Collins, CO 80528-3400 · (970) 221-1000 · Fax (970) 297-6860
Fax(970) 297-6860
Sole ProprietorNo
Enumeration DateJune 23, 2005
Last NPPES UpdateJune 12, 2014
NPI 1891791950 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
Licenses Licensed in CO · 19667 Licensed in NE · 18976
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
2121 E HARMONY RD, Fort Collins, CO 80528

Other Identifiers 5

Medicare UPIND23647
Medicaid01196674CO
Medicare PINNA1625012NE
Medicaid109332100WY
Medicare PINCOA102395CO

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.

Family Medicine
2121 E HARMONY RD, SUITE 370
FORT COLLINS, CO 80528
Audiologist
2121 E HARMONY RD
FORT COLLINS, CO 80528
Genetic Counselor, MS
2121 E HARMONY RD
FORT COLLINS, CO 80528
Internal Medicine (Cardiovascular Disease)
2121 E HARMONY RD, STE 100
FORT COLLINS, CO 80528
Physician Assistant (Medical)
2121 E HARMONY RD, SUITE 300
FORT COLLINS, CO 80528
Internal Medicine (Pulmonary Disease)
2121 E HARMONY RD, SUITE 300
FORT COLLINS, CO 80528
Physician Assistant
2121 E HARMONY RD, SUITE 310
FORT COLLINS, CO 80528
Surgery
2121 E HARMONY RD, STE 330
FORT COLLINS, CO 80528

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 Dennis Larson's NPI number?

The NPI number for Dennis Larson is 1891791950. It was assigned to this individual provider in the NPPES registry on June 23, 2005.

Where is Dennis Larson located?

Dennis Larson practices at 2121 E Harmony Rd Unit 100, Fort Collins, CO 80528. The listed phone number is (970) 221-1000.

What is Dennis Larson's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

When was this NPI record last updated?

The NPPES record for Dennis Larson was last updated on June 12, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.