NPPES file of Aug 9, 2026

Gregory Allen Larson, FNP-BC

Family Nurse Practitioner · San Luis, AZ

Gregory Allen Larson, FNP-BC is a family nurse practitioner with a practice address in San Luis, Arizona, and NPI 1578536892, issued on Feb 8, 2006. Check the license (Arizona AP2705, as entered in NPPES) with the Arizona board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1578536892
Name
Gregory Allen Larson
Credential
FNP-BC
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
AP2705 AZ
2973 MN
Self-reported in NPPES; status is on the state search
Practice location
1233 N Main St, San Luis, AZ 85349
Phone
(928) 550-5514
Enumerated
Feb 8, 2006
Record last updated
Apr 1, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(928) 722-6113
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest family nurse practitioner records → All 5,933 in Arizona → Look up another NPI →

Verify Gregory Allen Larson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Arizona board licenses this profession
    Search for license AP2705    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Arizona license search

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Gregory Allen Larson among 5,933 family nurse practitioner records in Arizona

Gregory Allen Larson, FNP-BC is one of 5,933 family nurse practitioner records with a practice address in Arizona. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 91% newer
  • In a Medicare fileNo · 77% of these records are
  • In the CMS Doctors and Clinicians fileNo · 59% of these records are
  • Record last updated2019 · 38% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

20 family nurse practitioner records list a practice address in San Luis

They are 20 of the 133 NPPES records with a practice address in San Luis, and 5,933 family nurse practitioner records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 5,933 in Arizona → Every provider in San Luis → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Steven Covington, FNPSan Luis, AZ 853491851413231
  2. Tania Gonzalez, FNPSan Luis, AZ 853491053123802
  3. David Leon, FNP-CSan Luis, AZ 853491922968676
  4. William McNair, FNPSan Luis, AZ 853491780913236
  5. Leah McNair, NPSan Luis, AZ 853491104128255
  6. Rodolfo Valenzuela, NPSan Luis, AZ 853491740367374
  7. Miriam BeltranSomerton, AZ 853501598572232
  8. Alberto Cabrera, FNP-BCSomerton, AZ 853501225894934

Common questions

What is Gregory Allen Larson, FNP-BC's NPI number?

Gregory Allen Larson, FNP-BC's National Provider Identifier (NPI) is 1578536892, issued on Feb 8, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gregory Allen Larson, FNP-BC located?

The NPPES record lists a practice address at 1233 N Main St, San Luis, AZ, 85349. Phone: (928) 550-5514. Providers update this record themselves, so call before visiting.

How can I verify Gregory Allen Larson, FNP-BC's license?

NPPES lists Arizona license number AP2705, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.