Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Christopher Charles Ryen, D.O.

Diagnostic Radiology Physician in Jonesboro, AR · enumerated 2010.

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

National Provider Identifier

1689986390

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Registry record

Entity type Individual (Type 1)

Name Dr. Christopher Charles Ryen

Credential D.O.

Sex Male

Practice address 225 E Washington Ave, Jonesboro, AR, 72401

Phone (870) 910-6654

Fax (870) 932-0526

Enumeration date Jul 10, 2010

Last updated in NPPES Nov 17, 2023

Taxonomy & licenses

390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Secondary

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License E9628 (AR) 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
201306130	Medicaid	IN	-

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.

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Frequently asked questions

What is the NPI number for Christopher Ryen?

The National Provider Identifier (NPI) for Christopher Ryen is 1689986390, a Type 1 (individual) record in the CMS NPPES registry.

Where does Christopher Ryen practice?

The practice location on file with NPPES is in Jonesboro, AR. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-11-17.