Maryellen Johnson, FNP
Family Nurse Practitioner · Greeneville, TN
Maryellen Johnson, FNP is a family nurse practitioner with a practice address in Greeneville, Tennessee, and NPI 1710860432, issued on Jul 29, 2025. Check the license (Tennessee 39345, as entered in NPPES) with the Tennessee board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Maryellen Johnson
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 39345 TN
Self-reported in NPPES; status is on the state search - Practice location
- 3225 East AJ Hwy, Greeneville, TN 37745
- Phone
- (423) 922-9224
- Enumerated
- Jul 29, 2025
- Record last updated
- Jul 13, 2026
- Fax
- (423) 525-5708
- Medicare enrollment
- Enrolled (PECOS I20251118000943); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 9,060 in Tennessee → Look up another NPI →
Verify Maryellen Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Tennessee board licenses this profession
Search for license 39345Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Healthstar Physicians PCGreeneville, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maryellen Johnson among 9,060 family nurse practitioner records in Tennessee
Maryellen Johnson, FNP is one of 9,060 family nurse practitioner records with a practice address in Tennessee. 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 2025, is newer than 94% of them.
- NPI issued2025 · 94% of these records are older, 2% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2025 · median 2017 among the 5,523 with a school on file
- Record last updated2026 · 40% 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 Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
86 family nurse practitioner records list a practice address in Greeneville
They are 86 of the 773 NPPES records with a practice address in Greeneville, and 9,060 family nurse practitioner records in Tennessee.
All 9,060 in Tennessee → Every provider in Greeneville → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Laura Azima, FNPGreeneville, TN 377451730320243
- Tanyelle Bellamy, FNPGreeneville, TN 377451801043120
- Sylvia Boesch-Lewis, FNP-BCGreeneville, TN 377451992946875
- Ann Espey, APNGreeneville, TN 377451073874277
- Susan Flaglor, FNPGreeneville, TN 377451851300990
- Angela Greer, NPGreeneville, TN 377451770753642
- Aimee Henley, F.N.PGreeneville, TN 377451194075374
- Leslie Henry, NPGreeneville, TN 377451780937763
Common questions
What is Maryellen Johnson, FNP's NPI number?
Maryellen Johnson, FNP's National Provider Identifier (NPI) is 1710860432, issued on Jul 29, 2025. An NPI identifies a provider in billing; it is not a license.
Where is Maryellen Johnson, FNP located?
The NPPES record lists a practice address at 3225 East AJ Hwy, Greeneville, TN, 37745. Phone: (423) 922-9224. Providers update this record themselves, so call before visiting.
How can I verify Maryellen Johnson, FNP's license?
NPPES lists Tennessee license number 39345, as entered by the provider. Search the Tennessee board that licenses this profession; the NPPES record confirms identity 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.