NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Matthew Marcus, MD

Pediatric Radiology Physician in Greenville, SC · enumerated 2006.

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

National Provider Identifier

1518937143

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Matthew Marcus
Credential MD
Sex Male
Practice address 1210 W Faris Rd, Greenville, SC, 29605
Phone (864) 522-1800
Fax (864) 522-1806
Enumeration date Jan 25, 2006
Last updated in NPPES May 6, 2021

Taxonomy & licenses

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License 30321 (SC) Secondary
2085P0229X Pediatric Radiology Physician Allopathic & Osteopathic Physicians · License 30321 (SC) Primary
2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License 11731 (RI) Secondary
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
303219 Medicaid SC -
AA31230 Other - RIH PILGRIM
1988 Other - NHPRI
3961166 Other - AETNA
412707 Other - BLUE CHIP
2101408 Other - MASS MEDICAID
7057523 Other - RI MEDICAL ASSISTANCE
007057522 Medicaid RI -
9385123 Other - PHHCS
1988 Other RI NEIGHBORHOOD HEALTH PLAN

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

Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
What specialty is Matthew Marcus?
Matthew Marcus is registered in NPPES with the primary taxonomy of Pediatric Radiology Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-05-06.