NPPES file of Aug 9, 2026

Justine Winchester, NP

Family Nurse Practitioner · Cottonwood, AZ

Justine Winchester, NP is a family nurse practitioner with a practice address in Cottonwood, Arizona, and NPI 1922653344, issued on Aug 2, 2019. Check the license (Arizona RNP230365, 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
1922653344
Name
Justine Winchester
Credential
NP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
RNP230365 AZ
Self-reported in NPPES; status is on the state search
Practice location
651 W Mingus Ave, Cottonwood, AZ 86326
Phone
(928) 634-2236
Enumerated
Aug 2, 2019
Record last updated
Aug 2, 2019 (not updated in 7 years: call before relying on the address or phone)
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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Also registered at 651 W Mingus Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Claudia Converse, FNP-CFamily Nurse Practitioner1659776169
  2. Mark Hughes, FNP-BCFamily Nurse Practitioner1174063861
  3. Robert Kinkade, M .D.Surgery Physician1255360889
  4. Nicole Knust, RN, MSN, FNP-BCFamily Nurse Practitioner1538492053
  5. Curtis Kommer, MDFamily Medicine Physician1790722643
  6. Jessie Peters, FNP-BCFamily Nurse Practitioner1548593452

Verify Justine Winchester 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 RNP230365
    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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61% fewer Medicare Part D claims than the average family nurse practitioner in 2024

511 Medicare Part D claims for 133 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Justine Winchester511
  2. Specialty average1,305

Most prescribed

  1. Atorvastatin Calcium32 claims
  2. Levothyroxine Sodium30 claims
  3. Trazodone Hcl26 claims
  4. Lisinopril24 claims
  5. Montelukast Sodium22 claims
  6. Metformin Hcl19 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.

Justine Winchester among 5,933 family nurse practitioner records in Arizona

Justine Winchester, NP 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 2019, is newer than 54% of them.

  • NPI issued2019 · 54% of these records are older, 40% newer
  • In a Medicare fileYes · 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).

37 family nurse practitioner records list a practice address in Cottonwood

They are 37 of the 555 NPPES records with a practice address in Cottonwood, and 5,933 family nurse practitioner records in Arizona.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Susan Albright, R.N.P.Cottonwood, AZ 863261154354306
  2. Donna Buchanan, PMHNP, FNPCottonwood, AZ 863261427034552
  3. Angie Coil, FNP-BCCottonwood, AZ 863261700247509
  4. Claudia Converse, FNP-CCottonwood, AZ 863261659776169
  5. Kimberly Gould, NPCottonwood, AZ 863261518088780
  6. Nicole Knust, RN, MSN, FNP-BCCottonwood, AZ 863261538492053
  7. Melanie Miller, APRN- BCCottonwood, AZ 863261992179741
  8. Gerard Mohan, APRN-BCCottonwood, AZ 863261043302433

Common questions

What is Justine Winchester, NP's NPI number?

Justine Winchester, NP's National Provider Identifier (NPI) is 1922653344, issued on Aug 2, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Justine Winchester, NP located?

The NPPES record lists a practice address at 651 W Mingus Ave, Cottonwood, AZ, 86326. Phone: (928) 634-2236. Providers update this record themselves, so call before visiting.

How can I verify Justine Winchester, NP's license?

NPPES lists Arizona license number RNP230365, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.

How much does Justine Winchester, NP prescribe under Medicare Part D?

In 2024, Justine Winchester, NP had 511 Medicare Part D claims for 133 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.