Doctor profile · Federal record

Dr. Robert Gunderson, D.O.

Orthopaedic Surgery Physician (CMS: Orthopedic Surgery) · Chickasha, OK

  • NPI 1598748907
  • Accepts Medicare
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2116 W Iowa Ave
Chickasha, OK 730182736
(405) 224-2100
fax (405) 779-2801

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
February 13, 2026
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207X00000X — NUCC code
State license (1)
Oklahoma #3030
Medicaid
OK #100257690B

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598748907. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
665
Distinct HCPCS
10
Medicare allowed
$60,171
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 144 76 $83
J1040 Injection, methylprednisolone acetate, 80 mg 115 34 $12
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg 108 32 $7
99214 Established patient office or other outpatient visit, 30-39 minutes 80 59 $117
99204 New patient office or other outpatient visit, 45-59 minutes 60 60 $153
99203 New patient office or other outpatient visit, 30-44 minutes 52 52 $104
20610 Aspiration and/or injection of fluid from large joint 50 28 $63
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 30 29 $164
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 15 15 $123
27236 Treatment of upper end of broken thigh bone with placement of stabilizing device or prosthetic replacement 11 11 $1,112

In context: peer comparison

Among 2 peers in Chickasha Orthopaedic Surgery Physician, average services per provider: 98. This provider delivers 6.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$135
Transactions
5
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Carbofix Orthopedics INC 1 $54.32
Medtronic, INC. 1 $23.43
Vertex Pharmaceuticals Incorporated 1 $20.18
Molnlycke Health Care US, LLC 1 $19.68
Paratek Pharmaceuticals, INC. 1 $17.41

By nature of payment

Food and Beverage
$135

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
393
Patients
220
Total drug cost
$3,877
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 152 84 $1,395
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 68 29 $962
Cephalexin Generic 46 43 $182
Meloxicam Generic 34 13 $348
Ibuprofen Generic 28 19 $388
Promethazine Hcl Generic 23 19 $188
Clindamycin Hcl Generic 16 13 $250
Ciprofloxacin Hcl Generic 13 0 $102
Tramadol Hcl Generic 13 0 $61

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Gunderson's medical specialty?
Dr. Robert Gunderson practices Orthopaedic Surgery Physician in Chickasha, OK.
Where does Dr. Robert Gunderson practice?
Dr. Robert Gunderson practices at 2116 W Iowa Ave, Chickasha, OK 730182736. Office phone: 4052242100.
What is Dr. Robert Gunderson's NPI?
Dr. Robert Gunderson's National Provider Identifier (NPI) is 1598748907, issued by NPPES.
Does Dr. Robert Gunderson accept Medicare assignment?
Yes. Dr. Robert Gunderson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Gunderson commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Injection, methylprednisolone acetate, 80 mg (HCPCS J1040); Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg (HCPCS J0702). Source: CMS Medicare Physician & Other Practitioners file.