Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
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Duane Gerard Koehler, DO

Individual provider Family Medicine Physician · NPI 1811976566

Duane Gerard Koehler, DO is registered under Family Practice in Miami, Oklahoma. Qualified in 1990, 36 years ago. Practices with Cherokee Nation, a 448-clinician group and accepts Medicare assignment. Licensed in Oklahoma.

Years since qualifying
36
Licensed in
OK
In the registry since
2006
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

30 B St SW
Miami, OK 74354-6808
Phone: (918) 542-5551
Fax: (918) 542-1555
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

General Practice Physician (primary) Taxonomy 208D00000X · Licence 2956 (OK)
Family Medicine Physician Taxonomy 207Q00000X · Licence 2956 (OK)

Record details

NPI number1811976566
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJanuary 11, 2006
Last updated in NPPESSeptember 29, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 1990 (36 years in practice)
Group practice Cherokee Nation — 448 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients174
Services billed 786 a service is one billed item, such as a visit, a test or a procedure
Average patient age71

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Cherokee Nation

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 448 clinicians in the practice; 12 are shown here.

Other providers in Miami