Donna Mckenzie, M.D.
NPI 1841209715 · Psychiatry Physician · Knoxville, TN
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Donna Mckenzie, M.D. is a Psychiatry Physician provider in Knoxville, TN (NPI 1841209715).
Provider details
- NPI number
- 1841209715
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 33975 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
63 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 51 | $72 |
| Psychiatric Diagnostic Evaluation With Medical Services90792 | 12 | $161 |
Typical Medicare-allowed amounts for these services range $72–$161 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxcarbazepine | 57 | 11 |
| Quetiapine Fumarate | 49 | 19 |
| Risperidone | 43 | — |
| Aripiprazole | 30 | 18 |
| Sertraline Hcl | 30 | — |
| Trazodone Hcl | 27 | 24 |
| Buspirone Hcl | 25 | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-07
- Last updated
- 2024-10-02
- Certified
- 2024-10-02
Frequently asked questions
- What is Donna Mckenzie's NPI number?
- Donna Mckenzie's National Provider Identifier (NPI) is 1841209715, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donna Mckenzie's specialty?
- Donna Mckenzie is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Donna Mckenzie located?
- Donna Mckenzie's practice location on file with NPPES is 318 N Forest Park Blvd, Knoxville, TN 37919-5127.
- What is Donna Mckenzie's phone number?
- The practice phone number listed in the NPPES registry for Donna Mckenzie is (865) 263-2200.
- Does Donna Mckenzie accept Medicare?
- Donna Mckenzie is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Donna Mckenzie's NPI active?
- Yes — Donna Mckenzie's NPI (1841209715) is active in the NPPES registry as of the last update on 2024-10-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.