Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Cathy Ann Messer, D.O

Emergency Medical Services (Emergency Medicine) Physician in Spartanburg, SC · enumerated 2006 · practices at Spartanburg Medical Center.

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

National Provider Identifier

1376648667

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Registry record

Entity type Individual (Type 1)

Name Dr. Cathy Ann Messer

Credential D.O

Sex Female

Practice address 151 Peachwood Centre Dr, Spartanburg, SC, 29301

Phone (864) 560-9627

Fax (864) 562-5470

Enumeration date Sep 13, 2006

Last updated in NPPES Aug 1, 2023

Taxonomy & licenses

208D00000X General Practice Physician Allopathic & Osteopathic Physicians · License 1017 (SC) Secondary

207PE0004X Emergency Medical Services (Emergency Medicine) Physician Allopathic & Osteopathic Physicians · License 1017 (SC) Primary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Other identifiers

Identifier	Type	State	Issuer
SCL3426067	Other	SC	MEDICARE PIN
SCL3426084	Other	SC	MEDICARE PIN
010179	Medicaid	SC	-
20056006	Other	SC	SELECT HEALTH OF SC
5905105	Medicaid	NC	-
P01000097	Other	SC	RAILROAD MEDICARE
SCL342J577	Other	SC	MEDICARE PIN
191227	Other	SC	MEDCOST
576000934-097	Other	SC	TRICARE
G121748510	Other	SC	MEDICARE PIN
G121749068	Other	SC	MEDICARE PIN
P00351956	Other	SC	RAIL ROAD MEDICARE

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 NPI 1376648667 active?

Yes, as of the latest NPPES snapshot, NPI 1376648667 is active (record last updated 2023-08-01).

How do I verify Cathy Messer's NPI record?

Cross-check NPI 1376648667 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-08-01.