Celia Marie O'Fallon

Celia Marie O'Fallon is a Speech-Language Pathologist provider (Speech-Language Pathologist) practicing in Frederick, MD, registered in the NPPES registry with NPI 1508334434 since 2018.

✓ Active NPI ✓ Valid NPI checksum

NPI	1508334434
Entity type	Individual (Type 1)
Name	Celia Marie O'Fallon
Sex	Female
Practice address	250 MADISON ST, Frederick, MD, 21701
Phone	3016445268
Enumeration date	2018-11-08
Last updated in NPPES	2018-11-08

Taxonomy & licenses

Taxonomy code	Specialty	Primary	License	State
235Z00000X	Speech-Language Pathologist	Primary	—	—

Other identifiers

Identifier	Type	State	Issuer
541628100	Medicaid	MD	—

Copy-ready billing details

Provider: Celia O'Fallon
NPI: 1508334434
Taxonomy: 235Z00000X (Speech-Language Pathologist)
Address: 250 MADISON ST, Frederick, MD, 21701

Verify this record

Cross-check NPI 1508334434 against the authoritative CMS record: view Celia Marie O'Fallon on the official NPPES registry .

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 or validate an NPI number.

Frequently asked questions

What specialty is Celia O'Fallon?

Celia O'Fallon is registered in NPPES with the primary taxonomy of Speech-Language Pathologist. 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.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2018-11-08.