ROBERT J GUNDERSON D.O.
NPI 1598748907
Orthopaedic Surgery in Chickasha, OK

Active since November 21, 2005PECOS EnrolledAccepts Medicare Assignment
2116 W IOWA AVE, CHICKASHA, OK 73018(405) 224-2100(405) 779-2801 Get Directions Write a Review

NPPES record last updated: February 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Robert J Gunderson D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ROBERT J GUNDERSON D.O. (NPI 1598748907) is an individual orthopaedic surgery provider in Chickasha, Oklahoma, licensed in Oklahoma (3030) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with Grady Memorial Hospital, and is a graduate of Oklahoma State University College Of Osteopathic Medicine (1991).

NPPES Registry Identity

NPI1598748907
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameROBERT J GUNDERSONCredential: D.O.
Location Address2116 W IOWA AVEChickasha, OK 73018-2736
Mailing Address2116 W Iowa AveChickasha, OK 73018-2736 · (405) 224-2100 · Fax (405) 779-2801
Fax(405) 779-2801
Sole ProprietorNo
Medical School CMSOklahoma State University College Of Osteopathic MedicineGraduated 1991
Enumeration DateNovember 21, 2005
Last NPPES UpdateFebruary 13, 2026
NPPES CertifiedFebruary 13, 2026
NPI 1598748907 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
License Licensed in OK · 3030
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
2116 W IOWA AVE, Chickasha, OK 73018

Other Identifiers 1

Medicaid100257690BOK

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Robert J Gunderson D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7214926500
PECOS Enrollment IDI20060117000761
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 14

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
198 services110 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
85 services85 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
65 services55 patients
Injection, dexamethasone sodium phosphate, 1 mg J1100
Dexamethasone sodium phosphate is a medication given via injection. It is a type of steroid that helps reduce inflammation and immune responses. It can be used to treat a variety of conditions, such as allergies, skin conditions, arthritis, and more.
63 services17 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
56 services44 patients
Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg J0702
This injection contains two medications, betamethasone acetate and betamethasone sodium phosphate. It is used to reduce inflammation and pain. It's given by a healthcare professional, often directly into the area causing discomfort.
46 services18 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Grady Memorial Hospital

Acute Care Hospitals · Chickasha, OK
3/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number370054
Location2220 Iowa StreetChickasha, OK 73018 · Grady County
Emergency services

The Physicians' Hospital In Anadarko

Critical Access Hospitals · Anadarko, OK
OwnershipProprietary
CMS Certification Number371314
Location1002 E Central BlvdAnadarko, OK 73005 · Caddo County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 73018 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$82.46 typical visit price
range $53.00 – $162.61
Typical copayment $20.61 (range $13.25 – $40.65)
Most-billed visit code 99203
Established Patient
$66.48 typical visit price
range $16.68 – $132.40
Typical copayment $16.62 (range $4.17 – $33.10)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physician Assistant
2116 W IOWA AVE
CHICKASHA, OK 73018
Podiatrist (Foot & Ankle Surgery)
2116 W IOWA AVE
CHICKASHA, OK 73018
Nurse Practitioner (Family)
2116 W IOWA AVE
CHICKASHA, OK 73018
Clinic/Center
2116 W IOWA AVE
CHICKASHA, OK 73018
Nurse Practitioner (Women's Health)
2116 W IOWA AVE
CHICKASHA, OK 73018
Orthopaedic Surgery
2116 W IOWA AVE
CHICKASHA, OK 73018

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Robert Gunderson's NPI number?

The NPI number for Robert Gunderson is 1598748907. It was assigned to this individual provider in the NPPES registry on November 21, 2005.

Where is Robert Gunderson located?

Robert Gunderson practices at 2116 W Iowa Ave, Chickasha, OK 73018. The listed phone number is (405) 224-2100.

What is Robert Gunderson's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is Robert Gunderson enrolled in Medicare?

Yes. Robert Gunderson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Robert Gunderson accept?

Health plans from Blue Cross and Blue Shield of Oklahoma, Medica and Mending Health list Robert Gunderson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Robert Gunderson affiliated with any hospitals?

According to CMS data, Robert Gunderson is affiliated with Grady Memorial Hospital and The Physicians' Hospital In Anadarko.

When was this NPI record last updated?

The NPPES record for Robert Gunderson was last updated on February 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.