Mary J. Johnson Barton, PMHNP-BC
Psychiatric/Mental Health Nurse Practitioner · Greeneville, TN
Mary J. Johnson Barton, PMHNP-BC is a psychiatric/mental health nurse practitioner with a practice address in Greeneville, Tennessee, and NPI 1821543463, issued on Aug 24, 2016. Check the license (Tennessee APN0000021324, as entered in NPPES) with the Tennessee board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary J. Johnson Barton
- Credential
- PMHNP-BC
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- APN0000021324 TN
Self-reported in NPPES; status is on the state search - Practice location
- 401 Holston Dr, Greeneville, TN 37743
- Phone
- (423) 639-1104
- Enumerated
- Aug 24, 2016
- Record last updated
- Feb 13, 2025
- Fax
- (423) 467-3644
- Medicare enrollment
- Enrolled (PECOS I20250326001470); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 1,611 in Tennessee → Look up another NPI →
Also registered at 401 Holston Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jessica Archer, BACase Manager/Care Coordinator1306016894
- Aaron Ashley, MSCounselor1952527657
- David Brown, LPC MHSPProfessional Counselor1811900905
- Erica Broyles, LCSWClinical Social Worker1750144499
- Krystal Broyles, BSCase Manager/Care Coordinator1932282241
- Amy Carrier, MACounselor1053538983
Verify Mary J. Johnson Barton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Tennessee board licenses this profession
Search for license APN0000021324Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average psychiatric/mental health nurse practitioner in 2024
2,019 Medicare Part D claims for 416 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Quetiapine Fumarate133 claims
- Trazodone Hcl123 claims
- Buspirone Hcl108 claims
- Sertraline Hcl105 claims
- Duloxetine Hcl91 claims
- Bupropion Xl78 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
- Frontier HealthWeber City, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary J. Johnson Barton among 1,611 psychiatric/mental health nurse practitioner records in Tennessee
Mary J. Johnson Barton, PMHNP-BC is one of 1,611 psychiatric/mental health nurse practitioner records with a practice address in Tennessee. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 31% of them.
- NPI issued2016 · 31% of these records are older, 66% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2018 · median 2020 among the 929 with a school on file
- Record last updated2025 · 25% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
16 psychiatric/mental health nurse practitioner records list a practice address in Greeneville
They are 16 of the 773 NPPES records with a practice address in Greeneville, and 1,611 psychiatric/mental health nurse practitioner records in Tennessee.
All 1,611 in Tennessee → Every provider in Greeneville → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Karen Dewitt, NPGreeneville, TN 377431700945185
- Kaitlynn Earls, PMHNP-BCGreeneville, TN 377431710459706
- Donna Glass, PMHNP-BCGreeneville, TN 377431053612812
- Sarah Hayes, PMHNPGreeneville, TN 377431144744947
- Khristina Howey, APRN, PMHNP-BCGreeneville, TN 377431184240095
- Amy-Sarah Hubbard, NPGreeneville, TN 377431376270447
- Karen Lane, APRNGreeneville, TN 377431063544666
- Rhonda Malina, APNGreeneville, TN 377431720078561
Common questions
What is Mary J. Johnson Barton, PMHNP-BC's NPI number?
Mary J. Johnson Barton, PMHNP-BC's National Provider Identifier (NPI) is 1821543463, issued on Aug 24, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Mary J. Johnson Barton, PMHNP-BC located?
The NPPES record lists a practice address at 401 Holston Dr, Greeneville, TN, 37743. Phone: (423) 639-1104. Providers update this record themselves, so call before visiting.
How can I verify Mary J. Johnson Barton, PMHNP-BC's license?
NPPES lists Tennessee license number APN0000021324, as entered by the provider. Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.
How much does Mary J. Johnson Barton, PMHNP-BC prescribe under Medicare Part D?
In 2024, Mary J. Johnson Barton, PMHNP-BC had 2,019 Medicare Part D claims for 416 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. 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.