NPPES file of Aug 9, 2026

Diamond Askew, FNP-C

Family Nurse Practitioner · Mesa, AZ

Diamond Askew, FNP-C is a family nurse practitioner with a practice address in Mesa, Arizona, and NPI 1568261188, issued on Mar 8, 2025. Check the license (Arizona 321176, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1568261188
Name
Diamond Askew
Credential
FNP-C
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
321176 AZ
Self-reported in NPPES; status is on the state search
Practice location
5543 S Dillon, Mesa, AZ 85212
Phone
(623) 696-6921
Enumerated
Mar 8, 2025
Record last updated
Mar 12, 2025
Medicare enrollment
Enrolled (PECOS I20250410000212); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. 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 Diamond Askew 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 321176    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Pain And Palliative Associates OF ArizonaPhoenix, AZ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Diamond Askew among 5,933 family nurse practitioner records in Arizona

Diamond Askew, FNP-C 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 2025, is newer than 92% of them.

  • NPI issued2025 · 92% of these records are older, 3% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2024 · median 2019 among the 3,510 with a school on file
  • Record last updated2025 · 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).

391 family nurse practitioner records list a practice address in Mesa

They are 391 of the 9,151 NPPES records with a practice address in Mesa, and 5,933 family nurse practitioner records in Arizona.

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

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Elena CarrettaMesa, AZ 852121326412388
  2. Maria Emilaine De Castro, FNP-CMesa, AZ 852121164852802
  3. Barbara Dupaul, FNPMesa, AZ 852121083693865
  4. Michelle Gomez, FNPMesa, AZ 852121710439641
  5. Brent Kelsch, FNPMesa, AZ 852121891187340
  6. Kelley Lejcar, FNP-CMesa, AZ 852121871240689
  7. Matthew Miller, FNPMesa, AZ 852121053926410
  8. Vincent Noriega, FNPMesa, AZ 852121831469733

Common questions

What is Diamond Askew, FNP-C's NPI number?

Diamond Askew, FNP-C's National Provider Identifier (NPI) is 1568261188, issued on Mar 8, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Diamond Askew, FNP-C located?

The NPPES record lists a practice address at 5543 S Dillon, Mesa, AZ, 85212. Phone: (623) 696-6921. Providers update this record themselves, so call before visiting.

How can I verify Diamond Askew, FNP-C's license?

NPPES lists Arizona license number 321176, 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. 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.