William Russell McKenzie, FNP
Family Nurse Practitioner · Farmington, MO
William Russell McKenzie, FNP is a family nurse practitioner with a practice address in Farmington, Missouri, and NPI 1548979255, issued on Nov 21, 2022. Check the license (Missouri 2022045231, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William Russell McKenzie
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 2022045231 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1101 W Liberty St, Farmington, MO 63640
- Phone
- (573) 756-6451
- Enumerated
- Nov 21, 2022
- Record last updated
- Nov 21, 2022
- Medicare enrollment
- Enrolled (PECOS I20230306000935); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 5,226 in Missouri → Look up another NPI →
Also registered at 1101 W Liberty St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Amber BurrowsCritical Care Medicine Registered Nurse1891506655
Verify William Russell McKenzie in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this profession
Search for license 2022045231Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average family nurse practitioner in 2024
222 Medicare Part D claims for 137 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Ondansetron Odt19 claims
- Prednisone16 claims
- Doxycycline Hyclate15 claims
- Omeprazole14 claims
- Amoxicillin-Clavulanate Potass13 claims
- Naproxen13 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.
Bills Medicare through one group practice
- Southeastern Emergency Physicians OF Memphis LLCFarmington, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Russell McKenzie among 5,226 family nurse practitioner records in Missouri
William Russell McKenzie, FNP is one of 5,226 family nurse practitioner records with a practice address in Missouri. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 78% of them.
- NPI issued2022 · 78% of these records are older, 16% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2017 · median 2018 among the 3,339 with a school on file
- Record last updated2022 · 44% 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 Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
45 family nurse practitioner records list a practice address in Farmington
They are 45 of the 894 NPPES records with a practice address in Farmington, and 5,226 family nurse practitioner records in Missouri.
All 5,226 in Missouri → Every provider in Farmington → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Michelle Allen, FNPFarmington, MO 636401467639278
- Melinda Barton, FNPFarmington, MO 636401982621405
- Mindy Carlyon, APRN, FNPFarmington, MO 636401538322524
- Andrew Files, FNPFarmington, MO 636401932392586
- Misty KindleFarmington, MO 636401720194426
- Julie Koppeis McTearnen, FNP,BCFarmington, MO 636401437135241
- Angelica Lappe, FNPFarmington, MO 636401891006623
- Glen Mohan, CFNPFarmington, MO 636401457303968
Common questions
What is William Russell McKenzie, FNP's NPI number?
William Russell McKenzie, FNP's National Provider Identifier (NPI) is 1548979255, issued on Nov 21, 2022. An NPI identifies a provider in billing; it is not a license.
Where is William Russell McKenzie, FNP located?
The NPPES record lists a practice address at 1101 W Liberty St, Farmington, MO, 63640. Phone: (573) 756-6451. Providers update this record themselves, so call before visiting.
How can I verify William Russell McKenzie, FNP's license?
NPPES lists Missouri license number 2022045231, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
How much does William Russell McKenzie, FNP prescribe under Medicare Part D?
In 2024, William Russell McKenzie, FNP had 222 Medicare Part D claims for 137 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.