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DR. GRAY MCKAY BUCHANAN
NPI 1386808178
Psychologist - Clinical Child & Adolescent in Greenwood, SC

Active since July 11, 2008PECOS EnrolledAccepts Medicare Assignment
96.08/100
CMS Quality Rating
155 ACADEMY AVE, GREENWOOD, SC 29646(864) 725-4865(864) 725-4883 Get Directions Write a Review

NPPES record last updated: December 17, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Gray Mckay Buchanan NPPES

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

DR. GRAY MCKAY BUCHANAN (NPI 1386808178) is an individual clinical child & adolescent provider in Greenwood, South Carolina, licensed in South Carolina (1108) and active in the NPI registry since July 2008. He is enrolled in Medicare PECOS, is affiliated with Self Regional Healthcare, and is a graduate of Other (2006).

NPPES Registry Identity

NPI1386808178
Entity TypeIndividualMale
Primary Taxonomy103TC2200X
Provider Legal NameDR. GRAY MCKAY BUCHANAN
Location Address155 ACADEMY AVEGreenwood, SC 29646-3869
Mailing Address155 Academy AveGreenwood, SC 29646-3869 · (864) 725-4865 · Fax (864) 725-4883
Phone(864) 725-4865
Fax(864) 725-4883
Sole ProprietorNo
Medical School CMSOtherGraduated 2006
Enumeration DateJuly 11, 2008
Last NPPES UpdateDecember 17, 2021
NPPES CertifiedDecember 17, 2021
✔ NPI 1386808178 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · Clinical Child & AdolescentBehavioral Health & Social Service Providers
Taxonomy Code103TC2200X
Licenses✔ Licensed in SC · 1108✔ Licensed in RI · PST00096
Definition
A psychologist who develops and applies scientific knowledge to the delivery of psychological services to infants, toddlers, children and adolescents within their social context. Of particular importance to the specialty of clinical child psychology is an understanding of the basic psychological needs of children and adolescents, and how the family and other social contexts influence the socio-emotional adjustment, cognitive development, behavioral adaptation and health status of children and adolescents.
155 ACADEMY AVE, Greenwood, SC 29646
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Absolute Total Care, Ambetter Health, Ambetter of North Carolina 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

Dr. Gray Mckay Buchanan 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 ID6507921343
PECOS Enrollment IDI20090211000567
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 Gray Buchanan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Self Regional Healthcare
Same address
Family Medicine
155 ACADEMY AVE
Greenwood, SC 29646
  • Reassigned Medicare billing, South Carolina enrollment
  • 231 clinicians in this Medicare group
NPI 1326067703 (864) 725-4865

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.

Self Regional Healthcare

Acute Care Hospitals · Greenwood, SC
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420071
Location1325 Spring StreetGreenwood, SC 29646 · Greenwood County
Emergency services Birthing friendly

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

96.08/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality92.17
Promoting Interoperability100
Improvement Activities40

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.

FAITH BROWN
Student in an Organized Health Care Education/Training Program
155 ACADEMY AVE
GREENWOOD, SC 29646
Greenwood County (864) 725-4869
HAL TANNER
Student in an Organized Health Care Education/Training Program
155 ACADEMY AVE
GREENWOOD, SC 29646
Greenwood County (864) 725-4865
LAUREN F HEARN DO
Family Medicine
155 ACADEMY AVE
GREENWOOD, SC 29646
Greenwood County (864) 725-4865
HARVEY FLOYD HATCHER MD
Family Medicine
155 ACADEMY AVE
GREENWOOD, SC 29646
Greenwood County (864) 725-4865
HEATHER HIGHSMITH MD
Family Medicine
155 ACADEMY AVE
GREENWOOD, SC 29646
Greenwood County (864) 725-4865
ANDREW SMITH MD
Family Medicine
155 ACADEMY AVE
GREENWOOD, SC 29646
Greenwood County (864) 725-4865
BENJAMIN VELKY MD
Family Medicine
155 ACADEMY AVE
GREENWOOD, SC 29646
Greenwood County (864) 725-4869
JOY CAROLINE DRAPER M.D.
Family Medicine
155 ACADEMY AVE
GREENWOOD, SC 29646
Greenwood County (864) 725-4865

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 Gray Buchanan's NPI number?

The NPI number for Gray Buchanan is 1386808178. It was assigned to this individual provider in the NPPES registry on July 11, 2008.

Where is Gray Buchanan located?

Gray Buchanan practices at 155 Academy Ave, Greenwood, SC 29646. The listed phone number is (864) 725-4865.

What is Gray Buchanan's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical Child & Adolescent, with taxonomy code 103TC2200X.

Is Gray Buchanan enrolled in Medicare?

Yes. Gray Buchanan 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 Gray Buchanan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gray Buchanan reassigns Medicare benefits to Self Regional Healthcare (Greenwood, SC). 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 Gray Buchanan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gray Buchanan accept?

Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of North Carolina, BlueCross BlueShield of South Carolina and First Choice Next and 1 other insurer list Gray Buchanan 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 Gray Buchanan affiliated with any hospitals?

According to CMS data, Gray Buchanan is affiliated with Self Regional Healthcare.

When was this NPI record last updated?

The NPPES record for Gray Buchanan was last updated on December 17, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.