Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Margaret Alexander Gray, MD

Pediatric Cardiology Physician in Columbia, SC · enumerated 2011.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1164719894

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Margaret Alexander Gray

Credential MD

Sex Female

Practice address 9 Richland Medical Park Dr Ste 110, Columbia, SC, 29203

Phone (803) 434-7940

Fax (803) 434-2262

Enumeration date Jul 1, 2011

Last updated in NPPES Dec 23, 2025

Taxonomy & licenses

2080P0202X Pediatric Cardiology Physician Allopathic & Osteopathic Physicians · License 33765 (SC) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
337656	Medicaid	SC	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Margaret Gray?

The National Provider Identifier (NPI) for Margaret Gray is 1164719894, a Type 1 (individual) record in the CMS NPPES registry.

Where does Margaret Gray practice?

The practice location on file with NPPES is in Columbia, SC. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-12-23.