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WALKER GRADY CARTER III MD
NPI 1700962644
Psychiatry & Neurology - Psychiatry in Macon, GA

Active since October 31, 2006PECOS EnrolledAccepts Medicare Assignment
340 HOSPITAL DR, MACON, GA 31217(478) 301-5930(866) 508-6866 Get Directions Write a Review

NPPES record last updated: July 8, 2014. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Walker Grady Carter Iii Md NPPES

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

WALKER GRADY CARTER III MD (NPI 1700962644) is an individual psychiatry provider in Macon, Georgia, licensed in Georgia (046058) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Coliseum Medical Centers, Llc, Dba, and is a graduate of Mercer University School Of Medicine (1997).

NPPES Registry Identity

NPI1700962644
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameWALKER GRADY CARTER IIICredential: MD
Location Address340 HOSPITAL DRMacon, GA 31217-3838
Mailing Address340 Hospital DrMacon, GA 31217-3838 · (478) 301-5930 · Fax (866) 508-6866
Phone(478) 301-5930
Fax(866) 508-6866
Sole ProprietorNo
Medical School CMSMercer University School Of MedicineGraduated 1997
Enumeration DateOctober 31, 2006
Last NPPES UpdateJuly 8, 2014
✔ NPI 1700962644 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in GA · 046058
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
340 HOSPITAL DR, Macon, GA 31217
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Other Identifiers 5

Medicare ID-Type Unspecified26BDHPP
Medicare UPINH37079
Other260047816GA · Railroad Medicare
Medicaid000906958AGA
Medicare PIN26BDHPPGA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Alliant Health Plans, Inc., Ambetter from Absolute Total Care, Ambetter Health and more.Insurance ›

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

Walker Grady Carter Iii 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 ID4284710104
PECOS Enrollment IDI20080318000474
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 Reassignments

4

Medicare enrollment records show Walker Carter reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Piedmont Hospitalist Physicians LLC
58 mi
Family Medicine
1133 EAGLES LANDING PKWY
Stockbridge, GA 30281
  • Reassigned Medicare billing, Georgia enrollment
  • 792 clinicians in this Medicare group
NPI 1548219660 (770) 801-2500
Piedmont Athens Hospitalist Physicians LLC
80 mi
Internal Medicine
35 COLLIER RD NW STE 635
Atlanta, GA 30309
  • Reassigned Medicare billing, Georgia enrollment
  • 410 clinicians in this Medicare group
NPI 1578079000 (404) 367-3014
Columbus Ambulatory Healthcare Services, Inc.
83 mi
Family Medicine
1800 10TH AVE
Columbus, GA 31901
  • Reassigned Medicare billing, Georgia enrollment
  • 391 clinicians in this Medicare group
NPI 1790733244 (706) 571-1120
Piedmont Providers LLC
123 mi
Internal Medicine
220 J L WHITE DR STE 120
Jasper, GA 30143
  • Reassigned Medicare billing, Georgia enrollment
  • 689 clinicians in this Medicare group
NPI 1548273592 (770) 801-2500

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

Areas of Expertise CMS Part B claims 2

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
40 services12 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
13 services12 patients

Hospital Affiliations CMS Care Compare

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

Coliseum Medical Centers, LLC, Dba

Acute Care Hospitals · Macon, GA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number110164
Location350 Hospital DriveMacon, GA 31217 · Bibb County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 31217 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
$164.04 typical visit price
range $53.31 – $164.04
Typical copayment $41.01 (range $13.32 – $41.01)
Most-billed visit code 99205
Established Patient
$66.89 typical visit price
range $16.68 – $133.24
Typical copayment $16.72 (range $4.17 – $33.31)
Most-billed visit code 99213
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 7

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

MACON PSYCHIATRIC HOSPITALISTS, LLC
Psychiatric Hospital
340 HOSPITAL DR, BLDG E
MACON, GA 31217
Bibb County (478) 474-4343
BRENDA KAY GRIFFIN PMHNP
Nurse Practitioner
340 HOSPITAL DR, SUITE 370
MACON, GA 31217
Bibb County (478) 474-4343
COLISEUM SAME DAY SURGERY CENTER LP
Clinic/Center (Ambulatory Surgical)
340 HOSPITAL DR, BLDG E
MACON, GA 31217
Bibb County (478) 742-1403
TIARA MCCOY
Nurse Practitioner (Primary Care)
340 HOSPITAL DR
MACON, GA 31217
Bibb County (478) 765-7000
BRIELLE MARKS CARTWRIGHT MD
Psychiatry & Neurology (Psychiatry)
340 HOSPITAL DR
MACON, GA 31217
Bibb County (478) 219-7735
TAMIEKA DANNIEL LOFTLEY LPC
Counselor (Professional)
340 HOSPITAL DR
MACON, GA 31217
Bibb County (478) 993-7000
DR. BRIAN BIRDSONG MD
Psychiatry & Neurology (Psychiatry)
340 HOSPITAL DR
MACON, GA 31217
Bibb County (478) 464-1359

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 Walker Carter's NPI number?

The NPI number for Walker Carter is 1700962644. It was assigned to this individual provider in the NPPES registry on October 31, 2006.

Where is Walker Carter located?

Walker Carter practices at 340 Hospital Dr, Macon, GA 31217. The listed phone number is (478) 301-5930.

What is Walker Carter's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Walker Carter enrolled in Medicare?

Yes. Walker Carter 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 organizations bill Medicare for Walker Carter's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Walker Carter reassigns Medicare benefits to 4 organizations: Piedmont Hospitalist Physicians LLC (Stockbridge, GA), Piedmont Athens Hospitalist Physicians LLC (Atlanta, GA), Columbus Ambulatory Healthcare Services, Inc. (Columbus, GA) and Piedmont Providers LLC (Jasper, GA). Each 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 Walker Carter's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Walker Carter accept?

Health plans from Alliant Health Plans, Inc., Ambetter Health, Ambetter from Absolute Total Care, Ambetter of Alabama and Ambetter of North Carolina and 2 other insurers list Walker Carter 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.

Is Walker Carter affiliated with any hospitals?

According to CMS data, Walker Carter is affiliated with Coliseum Medical Centers, LLC, Dba.

When was this NPI record last updated?

The NPPES record for Walker Carter was last updated on July 8, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years 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.