MARY CATHERINE BARNES STEWART MD
NPI 1477256642
Family Medicine in Blackshear, GA

Active since March 24, 2023PECOS EnrolledAccepts Medicare Assignment
120 E CARTER AVE, BLACKSHEAR, GA 31516(912) 449-4426(912) 449-1059 Get Directions Write a Review

NPPES record last updated: August 11, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 11, 2026, Jul 3, 2023, Mar 24, 2023 (3 updates tracked since 2023).

About Mary Catherine Barnes Stewart Md NPPES

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

MARY CATHERINE BARNES STEWART MD (NPI 1477256642) is an individual family medicine provider in Blackshear, Georgia, licensed in Georgia (113963) and active in the NPI registry since March 2023. She is enrolled in Medicare PECOS, is affiliated with Memorial Satilla Health, and maintains a secondary practice location in Nahunta.

NPPES Registry Identity

NPI1477256642
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameMARY CATHERINE BARNES STEWARTCredential: MD
Location Address120 E CARTER AVEBlackshear, GA 31516-1561
Mailing Address330 Corporate Way Ste 200Orange Park, FL 32073-6214 · (904) 282-6331 · Fax (904) 866-4818
Fax(912) 449-1059
Sole ProprietorNo
Medical School CMSMercer University School Of MedicineGraduated 2023
Enumeration DateMarch 24, 2023
Last NPPES UpdateAugust 11, 20263 updates tracked since enumeration
NPPES CertifiedAugust 11, 2026
✔ NPI 1477256642 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in GA · 113963
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
120 E CARTER AVE, Blackshear, GA 31516

Secondary Practice Location 1

Location 171 Johnson StNahunta, GA 31553-4032 · Phone (912) 462-8920 · Fax (912) 462-5184

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mary Catherine Barnes Stewart Md 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 ID4486015989
PECOS Enrollment IDI20260805000959
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 Stewart reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Family Medicine
130 N GROSS RD, SUITE 201
Kingsland, GA 31548
  • Reassigned Medicare billing, Georgia enrollment
  • 13 clinicians in this Medicare group

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

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Memorial Satilla Health

Acute Care Hospitals · Waycross, GA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number110003
Location1900 Tebeau StreetWaycross, GA 31501 · Ware County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 31516 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 6

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

Nurse Practitioner (Family)
120 E CARTER AVE
BLACKSHEAR, GA 31516
Nurse Practitioner (Family)
120 E CARTER AVE
BLACKSHEAR, GA 31516
Family Medicine
120 E CARTER AVE
BLACKSHEAR, GA 31516
Family Medicine
120 E CARTER AVE
BLACKSHEAR, GA 31516
Family Medicine
120 E CARTER AVE
BLACKSHEAR, GA 31516
Family Medicine
120 E CARTER AVE
BLACKSHEAR, GA 31516

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 Stewart's NPI number?

The NPI number for Mary Stewart is 1477256642. It was assigned to this individual provider in the NPPES registry on March 24, 2023.

Where is Mary Stewart located?

Mary Stewart practices at 120 E Carter Ave, Blackshear, GA 31516. The listed phone number is (912) 449-4426.

What is Mary Stewart's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Mary Stewart enrolled in Medicare?

Yes. Mary Stewart 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.

Which organization bills Medicare for Mary Stewart's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Stewart reassigns Medicare benefits to Camden Healthcare Associates, Inc. (Kingsland, 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 Stewart's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Mary Stewart affiliated with any hospitals?

According to CMS data, Mary Stewart is affiliated with Memorial Satilla Health.

When was this NPI record last updated?

The NPPES record for Mary Stewart was last updated on August 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.