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MARGARET ALEXANDER GRAY MD
NPI 1164719894
Pediatrics - Pediatric Cardiology in Columbia, SC

Active since July 01, 2011PECOS EnrolledAccepts Medicare Assignment
9 RICHLAND MEDICAL PARK DR STE 110, COLUMBIA, SC 29203(803) 434-7940(803) 434-2262 Get Directions Write a Review

NPPES record last updated: December 23, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Dec 23, 2025, Oct 22, 2021, Mar 21, 2018 (3 updates tracked since 2018).

About Margaret Alexander Gray Md NPPES

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

MARGARET ALEXANDER GRAY MD (NPI 1164719894) is an individual pediatric cardiology provider in Columbia, South Carolina, licensed in South Carolina (33765) and active in the NPI registry since July 2011. She is enrolled in Medicare PECOS, maintains a secondary practice location in West Columbia, and is a graduate of University Of South Carolina School Of Medicine (2011).

NPPES Registry Identity

NPI1164719894
Entity TypeIndividualFemale
Primary Taxonomy2080P0202X
Provider Legal NameMARGARET ALEXANDER GRAYCredential: MD
Location Address9 RICHLAND MEDICAL PARK DR STE 110Columbia, SC 29203-6859
Mailing Address300 E Mcbee Ave Ste 300Greenville, SC 29601-2899 · (864) 522-8603
Phone(803) 434-7940
Fax(803) 434-2262
Sole ProprietorNo
Medical School CMSUniversity Of South Carolina School Of MedicineGraduated 2011
Enumeration DateJuly 1, 2011
Last NPPES UpdateDecember 23, 20253 updates tracked since enumeration
NPPES CertifiedDecember 23, 2025
✔ NPI 1164719894 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0202X
License✔ Licensed in SC · 33765
Definition
A pediatric cardiologist provides comprehensive care to patients with cardiovascular problems. This specialist is skilled in selecting, performing and evaluating the structural and functional assessment of the heart and blood vessels, and the clinical evaluation of cardiovascular disease.
9 RICHLAND MEDICAL PARK DR STE 110, Columbia, SC 29203
Open in Google Maps ↗

Secondary Practice Location 1

Location 12728 Sunset Blvd Ste 300West Columbia, SC 29169-4815 · Phone (803) 744-4900 · Fax (803) 744-4938

Other Identifiers 1

Medicaid337656SC

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

Margaret Alexander Gray 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 ID9537380522
PECOS Enrollment IDI20170717001242
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 Margaret Gray reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Lexington Health Inc
15 mi
Family Medicine
230 REDHAWK WAY STE 200
Blythewood, SC 29016
  • Reassigned Medicare billing, South Carolina enrollment
  • 1,219 clinicians in this Medicare group
NPI 1043108970 (803) 791-2000
Prisma Health Medical Group-Midlands
20 mi
Interventional Cardiology
300 PALMETTO HEALTH PKWY STE 400
Columbia, SC 29212
  • Reassigned Medicare billing, South Carolina enrollment
  • 1,466 clinicians in this Medicare group
NPI 1003307166 (803) 765-0871
Prisma Health Tuomey
52 mi
Nurse Anesthetist, Certified Registered
129 N WASHINGTON ST
Sumter, SC 29150
  • Reassigned Medicare billing, South Carolina enrollment
  • 99 clinicians in this Medicare group
NPI 1497112965 (803) 774-9035
Mcleod Regional Medical Center Of The Pee Dee, Inc
77 mi
Emergency Medical Services
555 E CHEVES ST
Florence, SC 29506
  • Reassigned Medicare billing, South Carolina enrollment
  • 816 clinicians in this Medicare group
NPI 1154371433 (843) 777-2000

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

Other Providers at the Same Location NPPES 17

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

CAROLINE MARIE DEMARCO PA-C
Physician Assistant
9 RICHLAND MEDICAL PARK DR STE 110
COLUMBIA, SC 29203
Richland County (803) 434-7961
DR. LEAH MITCHELL DNP APRN CPNP-PC
Nurse Practitioner (Pediatrics)
9 RICHLAND MEDICAL PARK DR STE 110
COLUMBIA, SC 29203
Richland County (803) 434-7961
PALMETTO HEALTH - UNIVERSITY OF SOUTH CAROLINA MEDICAL GROUP
Pediatrics (Pediatric Cardiology)
9 RICHLAND MEDICAL PARK DR STE 110
COLUMBIA, SC 29203
Richland County (803) 434-7940
JORDANN LEAH STAPLES
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
9 RICHLAND MEDICAL PARK DR STE 110
COLUMBIA, SC 29203
Richland County (803) 434-7961
MARY LEE GREGORY M.D./PH.D.
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
9 RICHLAND MEDICAL PARK DR STE 110
COLUMBIA, SC 29203
Richland County (803) 434-7961
ALYSSA S COGDILL FNP
Nurse Practitioner
9 RICHLAND MEDICAL PARK DR STE 110
COLUMBIA, SC 29203
Richland County (803) 434-7961
WESTON LEE RICE APRN
Nurse Practitioner (Acute Care)
9 RICHLAND MEDICAL PARK DR STE 110
COLUMBIA, SC 29203
Richland County (803) 434-7961
SRINADH O RAO MD
Pediatrics (Pediatric Cardiology)
9 RICHLAND MEDICAL PARK DR STE 110
COLUMBIA, SC 29203
Richland County (803) 434-7940

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 Margaret Gray's NPI number?

The NPI number for Margaret Gray is 1164719894. It was assigned to this individual provider in the NPPES registry on July 1, 2011.

Where is Margaret Gray located?

Margaret Gray practices at 9 Richland Medical Park Dr Ste 110, Columbia, SC 29203. The listed phone number is (803) 434-7940.

What is Margaret Gray's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.

Is Margaret Gray enrolled in Medicare?

Yes. Margaret Gray 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 Margaret Gray's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Gray reassigns Medicare benefits to 4 organizations: Lexington Health Inc (Blythewood, SC), Prisma Health Medical Group-Midlands (Columbia, SC), Prisma Health Tuomey (Sumter, SC) and Mcleod Regional Medical Center Of The Pee Dee, Inc (Florence, SC). 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 Margaret Gray's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Margaret Gray accept?

Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of North Carolina and BlueCross BlueShield of South Carolina list Margaret Gray 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 Margaret Gray was last updated on December 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.