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Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Ryan Cloos, D.O.

Orthopaedic Surgery Physician in Dubuque, IA · enumerated 2009.

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

National Provider Identifier

1649419672

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Registry record

Entity type Individual (Type 1)
Name Dr. Ryan Cloos
Credential D.O.
Sex Male
Practice address Dubuque, IA, 52001
Phone (563) 557-5999
Enumeration date Feb 15, 2009
Last updated in NPPES Mar 2, 2026

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License 036121696 (IL) Secondary
207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License 4070 (IA) 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
719760006 Other IA MEDICARE NUMBER

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 Ryan Cloos?
The National Provider Identifier (NPI) for Ryan Cloos is 1649419672, a Type 1 (individual) record in the CMS NPPES registry.
Where does Ryan Cloos practice?
The practice location on file with NPPES is in Dubuque, IA. 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 2026-03-02.