Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Robert J Gunderson, DO

Individual provider Orthopaedic Surgery Physician · NPI 1598748907

Robert J Gunderson, DO is an Orthopedic Surgery in Chickasha, Oklahoma. Graduated from Oklahoma State University College of Osteopathic Medicine in 1991, 35 years ago. Practices with Grady Memorial Hospital, a 47-clinician group and accepts Medicare assignment. Licensed in Oklahoma.

Years since qualifying
35
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

2116 W Iowa Ave
Chickasha, OK 73018-2736
Phone: (405) 224-2100
Fax: (405) 779-2801
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence 3030 (OK)

Record details

NPI number1598748907
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedNovember 21, 2005
Last updated in NPPESFebruary 13, 2026
Certification dateFebruary 13, 2026
Mailing address2116 W Iowa Ave, Chickasha, OK 73018-2736

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolOKLAHOMA STATE UNIVERSITY COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 1991 (35 years in practice)
Group practice Grady Memorial Hospital — 47 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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