Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Maryellen Johnson, FNP

Individual provider Family Nurse Practitioner · NPI 1710860432

Maryellen Johnson, FNP is a Nurse Practitioner in Greeneville, Tennessee. Qualified in 2025, 1 year ago. Practices with Healthstar Physicians PC, a 90-clinician group and accepts Medicare assignment. Licensed in Tennessee.

Years since qualifying
1
Licensed in
TN
In the registry since
2025
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

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Practice location Address checks out

3225 E Aj Hwy
Greeneville, TN 37745-4066
Phone: (423) 922-9224
Fax: (423) 525-5708
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 39345 (TN)

Record details

NPI number1710860432
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorNo
NPI enumeratedJuly 29, 2025
Last updated in NPPESJuly 13, 2026
Certification dateJuly 13, 2026
Mailing address3225 East Aj Hwy, Greeneville, TN 37745-4066

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2025 (1 years in practice)
Group practice Healthstar Physicians Pc — 90 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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