Justine Winchester, NP
NPI 1922653344 · Family Nurse Practitioner · Cottonwood, AZ
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Justine Winchester, NP is a Family Nurse Practitioner provider in Cottonwood, AZ (NPI 1922653344).
Provider details
- NPI number
- 1922653344
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- Yes
- License
- RNP230365 (AZ)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 32 | 22 |
| Levothyroxine Sodium | 30 | 18 |
| Trazodone Hcl | 26 | — |
| Lisinopril | 24 | 16 |
| Montelukast Sodium | 22 | — |
| Metformin Hcl | 19 | 12 |
| Amlodipine Besylate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-08-02
- Last updated
- 2019-08-02
Frequently asked questions
- What is Justine Winchester's NPI number?
- Justine Winchester's National Provider Identifier (NPI) is 1922653344, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Justine Winchester's specialty?
- Justine Winchester is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Justine Winchester located?
- Justine Winchester's practice location on file with NPPES is 651 W Mingus Ave, Cottonwood, AZ 86326-4006.
- What is Justine Winchester's phone number?
- The practice phone number listed in the NPPES registry for Justine Winchester is (928) 634-2236.
- Does Justine Winchester accept Medicare?
- Justine Winchester is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Justine Winchester's NPI active?
- Yes — Justine Winchester's NPI (1922653344) is active in the NPPES registry as of the last update on 2019-08-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.