NPPES file of Aug 9, 2026

Caitlyn Shelby Mains, FNP

Family Nurse Practitioner · Glendale, AZ

Caitlyn Shelby Mains, FNP is a family nurse practitioner with a practice address in Glendale, Arizona, and NPI 1740854207, issued on May 18, 2021. Check the license (Arizona RNP257449, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1740854207
Name
Caitlyn Shelby Mains
Credential
FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
RNP257449 AZ
Self-reported in NPPES; status is on the state search
Practice location
5310 W Thunderbird RD # 208-210, Glendale, AZ 85306
Phone
(623) 547-2600
Enumerated
May 18, 2021
Record last updated
May 10, 2022
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 Caitlyn Shelby Mains 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 RNP257449    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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93% fewer Medicare Part D claims than the average family nurse practitioner in 2024

90 Medicare Part D claims for 73 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Caitlyn Mains90
  2. Specialty average1,305

Most prescribed

  1. Amoxicillin-Clavulanate Potass19 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.

Caitlyn Shelby Mains among 5,933 family nurse practitioner records in Arizona

Caitlyn Shelby Mains, 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 2021, is newer than 66% of them.

  • NPI issued2021 · 66% of these records are older, 27% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileNo · 59% of these records are
  • Record last updated2022 · 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).

231 family nurse practitioner records list a practice address in Glendale

They are 231 of the 5,447 NPPES records with a practice address in Glendale, and 5,933 family nurse practitioner records in Arizona.

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

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Wendy Beltran, FNPGlendale, AZ 853061801032768
  2. Kathleen Berry, FNP-BCGlendale, AZ 853061174851547
  3. Donnamarie Burris, AGACNP -BCGlendale, AZ 853061578984936
  4. Viergela Calixte, NP-CGlendale, AZ 853061811375553
  5. Jacqueline Frasca, FNPGlendale, AZ 853061467545335
  6. Dana Hock, FNPGlendale, AZ 853061053312801
  7. Jaime Maratta, APN, CGlendale, AZ 853061285816603
  8. Mary Montes, DNP, FNP-CGlendale, AZ 853061861757288

Common questions

What is Caitlyn Shelby Mains, FNP's NPI number?

Caitlyn Shelby Mains, FNP's National Provider Identifier (NPI) is 1740854207, issued on May 18, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Caitlyn Shelby Mains, FNP located?

The NPPES record lists a practice address at 5310 W Thunderbird RD # 208-210, Glendale, AZ, 85306. Phone: (623) 547-2600. Providers update this record themselves, so call before visiting.

How can I verify Caitlyn Shelby Mains, FNP's license?

NPPES lists Arizona license number RNP257449, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.

How much does Caitlyn Shelby Mains, FNP prescribe under Medicare Part D?

In 2024, Caitlyn Shelby Mains, FNP had 90 Medicare Part D claims for 73 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.

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.