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MARY KELLER PMHNP-BC, RN
NPI 1427782861
Nurse Practitioner - Psychiatric/Mental Health in Clayton, GA

Active since July 12, 2022PECOS Enrolled
24 CHECHERO ST STE 2, CLAYTON, GA 30525(706) 963-0654(706) 973-4087 Get Directions Write a Review

NPPES record last updated: January 21, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 21, 2026, Jul 12, 2022 (2 updates tracked since 2022).

About Mary Keller Pmhnp-bc, Rn NPPES

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

MARY KELLER PMHNP-BC, RN (NPI 1427782861) is an individual psychiatric/mental health provider in Clayton, Georgia, licensed in North Carolina (5019419) and active in the NPI registry since July 2022. She is enrolled in Medicare PECOS and is a graduate of Vanderbilt University School Of Medicine (2023).

NPPES Registry Identity

NPI1427782861
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameMARY KELLERCredential: PMHNP-BC, RN
Location Address24 CHECHERO ST STE 2Clayton, GA 30525-6181
Mailing Address12244 Augusta Rd Unit 108Lavonia, GA 30553-1210 · (706) 963-0654 · Fax (706) 973-4087
Phone(706) 963-0654
Fax(706) 973-4087
Sole ProprietorNo
Medical School CMSVanderbilt University School Of MedicineGraduated 2023
Enumeration DateJuly 12, 2022
Last NPPES UpdateJanuary 21, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 21, 2026
✔ NPI 1427782861 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in NC · 5019419
Also ListedRegistered Nurse · Psychiatric/Mental Health, AdultTaxonomy 163WP0809X · License RN311520 (GA)
24 CHECHERO ST STE 2, Clayton, GA 30525
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mary Keller Pmhnp-bc, Rn is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID749762896
PECOS Enrollment IDI20260306002105
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.

Medicare Billing Reassignment

Medicare enrollment records show Mary Keller reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Solid Ground Behavioral Health PC
Same address
Adolescent and Children Mental Health
24 CHECHERO ST STE 2
Clayton, GA 30525
  • Reassigned Medicare billing, Georgia enrollment
NPI 1033921390 (706) 963-0654

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 30525 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
$83.23 typical visit price
range $53.31 – $164.04
Typical copayment $20.80 (range $13.32 – $41.01)
Most-billed visit code 99203
Established Patient
$94.84 typical visit price
range $16.68 – $133.24
Typical copayment $23.71 (range $4.17 – $33.31)
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 2

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

SOLID GROUND BEHAVIORAL HEALTH PC
Clinic/Center (Adolescent and Children Mental Health)
24 CHECHERO ST STE 2
CLAYTON, GA 30525
Rabun County (706) 963-0654
INGE LUECHINGER FAMILY THERAPY PC
Nurse Practitioner (Psychiatric/Mental Health)
24 CHECHERO ST STE 2
CLAYTON, GA 30525
Rabun County (678) 438-4233

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 Keller's NPI number?

The NPI number for Mary Keller is 1427782861. It was assigned to this individual provider in the NPPES registry on July 12, 2022.

Where is Mary Keller located?

Mary Keller practices at 24 Chechero St Ste 2, Clayton, GA 30525. The listed phone number is (706) 963-0654.

What is Mary Keller's specialty?

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

Is Mary Keller enrolled in Medicare?

Yes. Mary Keller is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mary Keller's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Keller reassigns Medicare benefits to Solid Ground Behavioral Health PC (Clayton, GA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mary Keller's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mary Keller accept?

Health plans from Oscar Health list Mary Keller as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mary Keller was last updated on January 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.