Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Celia C Mamby, MD

Hematology & Oncology Physician in Lithonia, GA · enumerated 2006.

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

National Provider Identifier

1255319752

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Registry record

Entity type Individual (Type 1)

Name Dr. Celia C Mamby

Credential MD

Sex Female

Practice address 5700 Hillandale Dr, Suite 250, Lithonia, GA, 30058

Phone (770) 981-5431

Fax (770) 981-5515

Enumeration date Jan 4, 2006

Last updated in NPPES Aug 17, 2020

Taxonomy & licenses

207RH0003X Hematology & Oncology Physician Allopathic & Osteopathic Physicians · License 039629 (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
000639878AC	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 Celia Mamby?

Celia Mamby is registered in NPPES with the primary taxonomy of Hematology & Oncology 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 2020-08-17.