Dennis Larson, M.D.
NPI 1891791950 · Cardiovascular Disease Physician · Fort Collins, CO
Dennis Larson, M.D. is a Cardiovascular Disease Physician provider in Fort Collins, CO (NPI 1891791950).
Provider details
- NPI number
- 1891791950
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 19667 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-06-23
- Last updated
- 2014-06-12
Frequently asked questions
- What is Dennis Larson's NPI number?
- Dennis Larson's National Provider Identifier (NPI) is 1891791950, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dennis Larson's specialty?
- Dennis Larson is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Dennis Larson located?
- Dennis Larson's practice location on file with NPPES is 2121 E Harmony Rd, Fort Collins, CO 80528-3401.
- What is Dennis Larson's phone number?
- The practice phone number listed in the NPPES registry for Dennis Larson is (970) 221-1000.
- Is Dennis Larson's NPI active?
- Yes — Dennis Larson's NPI (1891791950) is active in the NPPES registry as of the last update on 2014-06-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.