MARY J JOHNSON BARTON PMHNP-BC
NPI 1821543463
Nurse Practitioner - Psychiatric/Mental Health in Greeneville, TN

Active since August 24, 2016PECOS EnrolledAccepts Medicare Assignment
401 HOLSTON DR, GREENEVILLE, TN 37743(423) 639-1104(423) 467-3644 Get Directions Write a Review

NPPES record last updated: February 13, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Feb 13, 2025, Jan 10, 2025, Jan 18, 2019 and 1 more (4 updates tracked since 2016).

About Mary J Johnson Barton Pmhnp-bc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARY J JOHNSON BARTON PMHNP-BC (NPI 1821543463) is an individual psychiatric/mental health provider in Greeneville, Tennessee, licensed in Tennessee (APN0000021324) and active in the NPI registry since August 2016. She is enrolled in Medicare PECOS and is a graduate of Other (2018).

NPPES Registry Identity

NPI1821543463
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameMARY J JOHNSON BARTONCredential: PMHNP-BC
Location Address401 HOLSTON DRGreeneville, TN 37743-3127
Mailing Address1167 Spratlin Park DrGray, TN 37615-6205 · (423) 467-3600 · Fax (423) 467-3644
Fax(423) 467-3644
Sole ProprietorYes
Medical School CMSOtherGraduated 2018
Enumeration DateAugust 24, 2016
Last NPPES UpdateFebruary 13, 20254 updates tracked since enumeration
NPPES CertifiedFebruary 13, 2025
NPI 1821543463 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License Licensed in TN · APN0000021324
401 HOLSTON DR, Greeneville, TN 37743

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Mary J Johnson Barton Pmhnp-bc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9032406418
PECOS Enrollment IDI20160928002468, I20250326001470
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
54 services48 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37743 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$81.53 typical visit price
range $52.64 – $160.89
Typical copayment $20.38 (range $13.16 – $40.22)
Most-billed visit code 99203
Established Patient
$93.60 typical visit price
range $16.72 – $131.41
Typical copayment $23.40 (range $4.18 – $32.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Counselor
401 HOLSTON DR
GREENEVILLE, TN 37743
Nurse Practitioner (Psychiatric/Mental Health)
401 HOLSTON DR
GREENEVILLE, TN 37743
Case Manager/Care Coordinator
401 HOLSTON DR
GREENEVILLE, TN 37743
Counselor (Professional)
401 HOLSTON DR
GREENEVILLE, TN 37743
Case Manager/Care Coordinator
401 HOLSTON DR
GREENEVILLE, TN 37743
Social Worker (Clinical)
401 HOLSTON DR
GREENEVILLE, TN 37743
Nurse Practitioner (Psychiatric/Mental Health)
401 HOLSTON DR
GREENEVILLE, TN 37743
Licensed Practical Nurse
401 HOLSTON DR
GREENEVILLE, TN 37743

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mary Johnson Barton's NPI number?

The NPI number for Mary Johnson Barton is 1821543463. It was assigned to this individual provider in the NPPES registry on August 24, 2016.

Where is Mary Johnson Barton located?

Mary Johnson Barton practices at 401 Holston Dr, Greeneville, TN 37743. The listed phone number is (423) 639-1104.

What is Mary Johnson Barton's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Mary Johnson Barton enrolled in Medicare?

Yes. Mary Johnson Barton is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Mary Johnson Barton was last updated on February 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.