David Winchester, DO
NPI 1942950464 · Family Medicine Physician · Johnson City, TN
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Winchester, DO is a Family Medicine Physician provider in Johnson City, TN (NPI 1942950464).
Provider details
- NPI number
- 1942950464
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 6214 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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 · 45 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 86 | 28 |
| Amlodipine Besylate | 82 | 34 |
| Empagliflozinbrand: Jardiance | 79 | 21 |
| Rosuvastatin Calcium | 77 | 38 |
| Lisinopril | 57 | 22 |
| Semaglutidebrand: Ozempic | 48 | 12 |
Practice location
Mailing address
Additional practice locations (1)
- 917 W Walnut StJohnson City, TN 37604-6527Phone: (423) 912-4972
Registry dates
- Enumerated
- 2022-03-27
- Last updated
- 2025-07-30
- Certified
- 2025-07-30
Frequently asked questions
- What is David Winchester's NPI number?
- David Winchester's National Provider Identifier (NPI) is 1942950464, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Winchester's specialty?
- David Winchester is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David Winchester located?
- David Winchester's practice location on file with NPPES is 301 Med Tech Pkwy Ste 240, Johnson City, TN 37604-2641.
- What is David Winchester's phone number?
- The practice phone number listed in the NPPES registry for David Winchester is (423) 794-5520.
- Does David Winchester accept Medicare?
- David Winchester is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Winchester's NPI active?
- Yes — David Winchester's NPI (1942950464) is active in the NPPES registry as of the last update on 2025-07-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.