Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Charles Mark Riggenbach, M.D.

Gastroenterology Physician in Fort Walton Beach, FL · enumerated 2005.

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

National Provider Identifier

1346225240

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Registry record

Entity type Individual (Type 1)

Name Dr. Charles Mark Riggenbach

Credential M.D.

Sex Male

Practice address 1032 Mar Walt Drive, Suite 210, Gastroenterology Department, Fort Walton Beach, FL, 32547

Phone (850) 863-8260

Fax (850) 862-6148

Enumeration date Dec 13, 2005

Last updated in NPPES Jan 20, 2017

Taxonomy & licenses

207RG0100X Gastroenterology Physician Allopathic & Osteopathic Physicians · License ME62399 (FL) 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
370740700	Medicaid	FL	-
15129	Other	FL	BCBSFL

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 is the NPI number for Charles Riggenbach?

The National Provider Identifier (NPI) for Charles Riggenbach is 1346225240, a Type 1 (individual) record in the CMS NPPES registry.

Where does Charles Riggenbach practice?

The practice location on file with NPPES is in Fort Walton Beach, FL. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-01-20.