Mackenzie Armstrong, PA-C
Physician Assistant · Corryton, TN
Mackenzie Armstrong, PA-C is a physician assistant with a practice address in Corryton, Tennessee, and NPI 1225612385, issued on May 5, 2021. Check the license (Tennessee 4555, as entered in NPPES) with the Tennessee board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mackenzie Armstrong
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 4555 TN
Self-reported in NPPES; status is on the state search - Practice location
- 7234 Tazewell Pike, Corryton, TN 37721
- Phone
- (865) 213-7132
- Enumerated
- May 5, 2021
- Record last updated
- Jul 16, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210606000004); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,055 in Tennessee → Look up another NPI →
Also registered at 7234 Tazewell Pike
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stephanie Merritt, FNP-CNurse Practitioner1265214324
- Donna Pinion, PA-CPhysician Assistant1538750732
- Rachel Smith, PA-CPhysician Assistant1265139562
Verify Mackenzie Armstrong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Tennessee board licenses this profession
Search for license 4555Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average physician assistant in 2024
100 Medicare Part D claims for 58 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
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.
Industry payments in 2024: $1,334.27
29 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Knoxville Center For Dermatology And Plastic Surgery PLKnoxville, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mackenzie Armstrong among 3,055 physician assistant records in Tennessee
Mackenzie Armstrong, PA-C is one of 3,055 physician assistant records with a practice address in Tennessee. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 60% of them.
- NPI issued2021 · 60% of these records are older, 33% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2020 · median 2019 among the 2,030 with a school on file
- Record last updated2021 · 30% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 physician assistant records list a practice address in Corryton
They are 3 of the 33 NPPES records with a practice address in Corryton, and 3,055 physician assistant records in Tennessee.
All 3,055 in Tennessee → Every provider in Corryton → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Donna Pinion, PA-CCorryton, TN 377211538750732
- Rachel Smith, PA-CCorryton, TN 377211265139562
- Christine Vass, PA-CCumberland Gap, TN 377241932813912
- Ashley Greene, PA-CDandridge, TN 377251174808620
- Kaitlyn Mitchell, PA-CDandridge, TN 377251912850207
- Alicia Roberts, PA-CDandridge, TN 377251356283840
- Julia Bracewell, PA-CClinton, TN 377161124878566
- Daniel Mays, PA-CClinton, TN 377161003248444
Common questions
What is Mackenzie Armstrong, PA-C's NPI number?
Mackenzie Armstrong, PA-C's National Provider Identifier (NPI) is 1225612385, issued on May 5, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Mackenzie Armstrong, PA-C located?
The NPPES record lists a practice address at 7234 Tazewell Pike, Corryton, TN, 37721. Phone: (865) 213-7132. Providers update this record themselves, so call before visiting.
How can I verify Mackenzie Armstrong, PA-C's license?
NPPES lists Tennessee license number 4555, as entered by the provider. Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.
How much does Mackenzie Armstrong, PA-C prescribe under Medicare Part D?
In 2024, Mackenzie Armstrong, PA-C had 100 Medicare Part D claims for 58 beneficiaries; the average among physician assistant prescribers was 830. 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.