Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Mark Custodio Oliver, M.D.

Pediatrics Physician in Columbus, GA · enumerated 2006 · practices at Rivertown Pediatrics, P.C..

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

National Provider Identifier

1275649758

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Registry record

Entity type Individual (Type 1)

Name Dr. Mark Custodio Oliver

Credential M.D.

Sex Male

Practice address 2416 Capstone Ct, Columbus, GA, 31909

Phone (706) 327-1281

Enumeration date Aug 21, 2006

Last updated in NPPES Mar 20, 2020

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 048557 (GA) 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
048557	Other	GA	LICENSE NUMBER
00867765A	Medicaid	GA	-

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 specialty is Mark Oliver?

Mark Oliver is registered in NPPES with the primary taxonomy of Pediatrics Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-03-20.