Ann Marie Gaston, FNP
Family Nurse Practitioner · Casa Grande, AZ
Ann Marie Gaston, FNP is a family nurse practitioner with a practice address in Casa Grande, Arizona, and NPI 1306698469, issued on Apr 3, 2024. Check the license (Arizona 305423, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ann Marie Gaston
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 305423 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1676 E Mcmurray Blvd Ste 1, Casa Grande, AZ 85122
- Phone
- (520) 316-0688
- Enumerated
- Apr 3, 2024
- Record last updated
- Apr 17, 2024
- Medicare enrollment
- Enrolled (PECOS I20240528001003); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 5,933 in Arizona → Look up another NPI →
Also registered at 1676 E Mcmurray Blvd Ste 1
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrea Frantz, APRNFamily Nurse Practitioner1578010609
- Nathan Martinez, FNPFamily Nurse Practitioner1508523929
Verify Ann Marie Gaston in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license 305423Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% fewer Medicare Part D claims than the average family nurse practitioner in 2024
547 Medicare Part D claims for 297 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Methylprednisolone97 claims
- Azelastine Hcl69 claims
- Doxycycline Hyclate36 claims
- Fluticasone Propionate35 claims
- Amoxicillin-Clavulanate Potass23 claims
- Albuterol Sulfate Hfa19 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Banner Urgent Care Arizona LLCCasa Grande, AZ
- Banner Urgent Care Services LLCScottsdale, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ann Marie Gaston among 5,933 family nurse practitioner records in Arizona
Ann Marie Gaston, FNP 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. Its NPI, issued in 2024, is newer than 86% of them.
- NPI issued2024 · 86% of these records are older, 8% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2023 · median 2019 among the 3,510 with a school on file
- Record last updated2024 · 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).
60 family nurse practitioner records list a practice address in Casa Grande
They are 60 of the 867 NPPES records with a practice address in Casa Grande, and 5,933 family nurse practitioner records in Arizona.
All 5,933 in Arizona → Every provider in Casa Grande → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Bose Anifowose, DNP, FNP, PMHNPCasa Grande, AZ 851221932589322
- Scott Awald, AGACNP-BC, FNP-BCCasa Grande, AZ 851221225435514
- Bessie Burk, FNP-BCCasa Grande, AZ 851221457507733
- Cathleen Denny, FNP, MSNCasa Grande, AZ 851221366426025
- Anne Donos, NP-CCasa Grande, AZ 851221750771861
- Cynthia Hoeft, RN,MSN,FNP-CCasa Grande, AZ 851221467448605
- Heather Martin, FNPCasa Grande, AZ 851221497163489
- Sara Massaro, NPCasa Grande, AZ 851221013116110
Common questions
What is Ann Marie Gaston, FNP's NPI number?
Ann Marie Gaston, FNP's National Provider Identifier (NPI) is 1306698469, issued on Apr 3, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Ann Marie Gaston, FNP located?
The NPPES record lists a practice address at 1676 E Mcmurray Blvd Ste 1, Casa Grande, AZ, 85122. Phone: (520) 316-0688. Providers update this record themselves, so call before visiting.
How can I verify Ann Marie Gaston, FNP's license?
NPPES lists Arizona license number 305423, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does Ann Marie Gaston, FNP prescribe under Medicare Part D?
In 2024, Ann Marie Gaston, FNP had 547 Medicare Part D claims for 297 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions 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. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
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.