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

James R Sumner, DO

Individual provider Surgery Physician · NPI 1396747168

James R Sumner, DO practises General Surgery in Durant, Oklahoma. Graduated from Oklahoma State University College of Osteopathic Medicine in 1985, 41 years ago. Practices with Choctaw Nation of Oklahoma, a 270-clinician group and accepts Medicare assignment. Licensed in Oklahoma.

Years since qualifying
41
Trained at
Oklahoma State University College of Osteopathic Medicine
Licensed in
OK
In the registry since
2005
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

1610 W University Blvd
Durant, OK 74701-3045 Not confirmed with CMS for 19 years — call before visiting
Phone: (580) 924-3400
Fax: (580) 924-7732
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence 2555 (OK)

Record details

NPI number1396747168
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedAugust 11, 2005
Last updated in NPPESJuly 8, 2007

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Medical schoolOKLAHOMA STATE UNIVERSITY COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 1985 (41 years in practice)
Group practice Choctaw Nation Of Oklahoma — 270 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Procedures

From CMS Care Compare, which counts the procedures a clinician billed to Original Medicare and Medicare Advantage over a recent 12-month period. CMS reports a fixed list of common procedures, so this is not everything the clinician does. Counts of 10 or fewer are given as a range, because CMS withholds small numbers.

Colonoscopy 38 times · 58th percentile
Upper gastrointestinal (GI) endoscopy for acid reflux 1–10 times

The percentile compares how often this clinician performed the procedure with other clinicians who performed it, as CMS calculates it. It measures volume, not outcomes or skill.

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 patients132
Services billed 188 a service is one billed item, such as a visit, a test or a procedure
Average patient age69

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.

  • Choctaw Nation Health Services Authority Hospital · Talihina, OK

Colleagues at Choctaw Nation of Oklahoma

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 270 clinicians in the practice; 12 are shown here.

Other providers in Durant