Gregory Larson, FNP-BC
NPI 1578536892 · Family Nurse Practitioner · San Luis, AZ
Gregory Larson, FNP-BC is a Family Nurse Practitioner provider in San Luis, AZ (NPI 1578536892).
Provider details
- NPI number
- 1578536892
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-BC
- Sex
- Male
- Sole proprietor
- No
- License
- 2973 (MN)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
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
2 documented practice locations
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
Additional practice locations (1)
- 1233 N Main StSte 1aSan Luis, AZ 85349Phone: (928) 550-5514Fax: (928) 722-6113
Registry dates
- Enumerated
- 2006-02-08
- Last updated
- 2019-04-01
Frequently asked questions
- What is Gregory Larson's NPI number?
- Gregory Larson's National Provider Identifier (NPI) is 1578536892, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Larson's specialty?
- Gregory Larson is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Gregory Larson located?
- Gregory Larson's practice location on file with NPPES is 1233 N Main St, San Luis, AZ 85349.
- What is Gregory Larson's phone number?
- The practice phone number listed in the NPPES registry for Gregory Larson is (928) 550-5514.
- Is Gregory Larson's NPI active?
- Yes — Gregory Larson's NPI (1578536892) is active in the NPPES registry as of the last update on 2019-04-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.