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Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Duane Gerard Koehler, DO

General Practice Physician in Miami, OK · enumerated 2006.

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

National Provider Identifier

1811976566

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Registry record

Entity type Individual (Type 1)
Name Duane Gerard Koehler
Credential DO
Sex Male
Practice address 30 B St Sw, Miami, OK, 74354
Phone (918) 542-5551
Fax (918) 542-1555
Enumeration date Jan 11, 2006
Last updated in NPPES Oct 27, 2009

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 2956 (OK) Secondary
208D00000X General Practice Physician Allopathic & Osteopathic Physicians · License 2956 (OK) 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
100080320B Medicaid OK -
100724930F Medicaid OK -
100080320C Medicaid OK -
100080320A Medicaid OK -
100699440M Medicaid OK -

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 specialty is Duane Koehler?
Duane Koehler is registered in NPPES with the primary taxonomy of General Practice Physician. 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.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-10-27.