Donald Mckenzie, MD
NPI 1043309214 · Internal Medicine Physician · Knoxville, TN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Donald Mckenzie, MD is a Internal Medicine Physician provider in Knoxville, TN (NPI 1043309214).
Provider details
- NPI number
- 1043309214
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD9573 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Rosuvastatin Calcium | 23 |
| Alprazolam | 18 |
| Atorvastatin Calcium | 16 |
| Omeprazole | 15 |
| Simvastatin | 13 |
| Levothyroxine Sodium | 12 |
| Pantoprazole Sodium | 12 |
| Zolpidem Tartrate | 12 |
| Empagliflozinbrand: Jardiance |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-12
- Last updated
- 2007-07-08
Frequently asked questions
- What is Donald Mckenzie's NPI number?
- Donald Mckenzie's National Provider Identifier (NPI) is 1043309214, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donald Mckenzie's specialty?
- Donald Mckenzie is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Donald Mckenzie located?
- Donald Mckenzie's practice location on file with NPPES is 3301 Tazewell Pike, Knoxville, TN 37918-2532.
- What is Donald Mckenzie's phone number?
- The practice phone number listed in the NPPES registry for Donald Mckenzie is (865) 689-7064.
- Does Donald Mckenzie accept Medicare?
- Donald Mckenzie is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Donald Mckenzie's NPI active?
- Yes — Donald Mckenzie's NPI (1043309214) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.