Active NPI 1598748907 Individual Practitioner Male Practitioner

Dr. Robert J Gunderson , DO

Orthopaedic Surgery • Chickasha, OK

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Robert Gunderson, DO is a certified Orthopaedic Surgery practicing in Chickasha, OK. With approximately 35 years of clinical experience since graduating from Oklahoma State University College Of Osteopathic Medicine in 1991, Dr. Gunderson delivers high-quality medical care to the local community at 2116 W IOWA AVE.

Dr. Gunderson is affiliated with Grady Memorial Hospital and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, new patient outpatient office visit, injection, dexamethasone sodium phosphate, 1 mg. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

2116 W Iowa Ave

Chickasha, OK 730182736

Telephone 4052242100

Fax 4057792801

Associated Practice Facility / Clinic

🏢 Southwest Orthopaedic Specialists, Pllc Facility NPI 1962234682

Medicare Profile & Education

Medical School

Oklahoma State University College Of Osteopathic Medicine

Graduation Year

1991

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Orthopaedic Surgery in Chickasha, OK

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

35 Yrs +2.0 yrs vs City Avg

City Avg: 33.0 Yrs

State Avg: 26.6 Yrs

Regional Practice Density

4 Specialists

Practicing in Chickasha, OK (328 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

65.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Gunderson (35 Years) 35 Yrs

Chickasha Specialty Average (33.0 Years) 33.0 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	198	110	$197.50	$83.20
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	85	85	$261.82	$102.87
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	65	55	$206.31	$117.29
J1100 Injection, dexamethasone sodium phosphate, 1 mg	63	17	$10.67	$0.11
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	56	44	$184.45	$51.16
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg	46	18	$8.00	$6.73
G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's	41	37	$39.00	$14.37
20610 Aspiration and/or injection of fluid from large joint	39	26	$134.18	$60.18
J1010 Injection, methylprednisolone acetate, 1 mg	36	21	$23.86	$0.13
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	35	35	$362.26	$151.58
J1040 Injection, methylprednisolone acetate, 80 mg	35	12	$15.00	$9.66
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance	34	30	$252.85	$64.47
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	29	29	$248.45	$121.79
99202 New patient office or other outpatient visit, typically 20 minutes	20	20	$215.00	$62.12
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	17	17	$470.00	$160.44
27236 Treatment of upper end of broken thigh bone with placement of stabilizing device or prosthetic replacement	16	16	$3504.50	$1101.89

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	144	76	$180.00	$83.27
J1040 Injection, methylprednisolone acetate, 80 mg	115	34	$15.00	$11.64
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg	108	32	$8.00	$6.52
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	80	59	$195.00	$117.14
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	60	60	$365.00	$153.47
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	52	52	$285.00	$104.25
20610 Aspiration and/or injection of fluid from large joint	50	28	$140.00	$62.67
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	30	29	$470.00	$164.36
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	15	15	$254.00	$122.98
27236 Treatment of upper end of broken thigh bone with placement of stabilizing device or prosthetic replacement	11	11	$3505.00	$1111.60

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	58	26	$180.00	$85.67
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	34	34	$285.00	$106.45
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	25	25	$365.00	$159.11
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	20	20	$254.00	$129.23
27245 Treatment of broken neck of thigh bone with bone implant	16	15	$3591.00	$1175.77
99221 Initial hospital inpatient care per day, typically 30 minutes	13	12	$187.00	$97.10

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	82	53	$70.00	$66.70
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	27	27	$100.00	$82.90
20610 Aspiration and/or injection of fluid from large joint	15	14	$105.60	$47.44

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	28	28	$542.00	$135.13
99221 Initial hospital inpatient care per day, typically 30 minutes	25	25	$373.52	$99.88
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	19	16	$289.00	$71.24
99213 Established patient office or other outpatient visit, typically 15 minutes	17	15	$204.00	$72.82
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	15	15	$804.00	$192.21

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	33	24	$289.00	$68.60
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	20	20	$542.00	$133.08
99213 Established patient office or other outpatient visit, typically 15 minutes	17	17	$204.00	$71.30
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	13	13	$414.00	$101.16
99221 Initial hospital inpatient care per day, typically 30 minutes	13	13	$401.00	$98.40

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	13	12	$96.00	$40.85

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	102	54	$100.86	$64.06
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	36	26	$145.25	$94.86
20610 Aspiration and/or injection of fluid from large joint	27	15	$132.78	$54.34
27245 Treatment of broken neck of thigh bone with bone implant	11	11	$3059.18	$1149.38

Medical Specialties & State Licenses

CMS Verified: 2026-02-13

Orthopaedic Surgery Primary Specialty

NUCC Taxonomy Code: 207X00000X

State License OK 3030

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

100257690B (OK)

Hospital & Practice Group Affiliations

Grady Memorial Hospital

2100 S Iowa Ave, Chickasha, OK 730182736

Phone: 4052242100

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners

Jacob Boyd , PA-C

Physician Assistant

NPI 1003656448

Physician Assistant (Certified)

Dr. Abby Housman , DO

Family Medicine

NPI 1023336542

Doctor of Osteopathic Medicine (D.O.)

Katie Dudley , APRN, CNP

Family Medicine

NPI 1073163275

Advanced Practice Registered Nurse, Certified Nurse Practitioner

Andrea Roberts , PA

Physician Assistant

NPI 1144278573

Physician Assistant

Dr. Kevin Anderson , DO

Family Medicine

NPI 1154655157

Doctor of Osteopathic Medicine (D.O.)

Dr. Robert Buchanan , MD

Surgery

NPI 1174513774

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

10 Historical Events

📍

Updated Practice Location January 27, 2025

Registered at 2116 W IOWA AVE, CHICKASHA, OK 730182736 (Tel: 4052242100)

📍

Updated Business Mailing Address January 27, 2025

Registered at 2116 W IOWA AVE, CHICKASHA, OK 730182736

📍

Updated Practice Location March 24, 2021

Registered at 1533 N HARRISON ST, SHAWNEE, OK 748044020 (Tel: 4057511766)

📍

Updated Business Mailing Address March 24, 2021

Registered at PO BOX 248855, OKLAHOMA CITY, OK 731248855

✅

NPI Profile Active November 14, 2014

NPI status registered as active in NPPES database

📍

Updated Practice Location November 14, 2014

Registered at 13313 N MERIDIAN, SUITE A-1, OKLAHOMA CITY, OK 73120 (Tel: 4057511766)

📍

Updated Business Mailing Address November 14, 2014

Registered at PO BOX 6814, EDMOND, OK 730836814 (Tel: 4057139940)

👤

Provider Name / Credentials Updated November 14, 2014

Recorded as ROBERT GUNDERSON, D.O.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) November 14, 2014

Orthopaedic Surgery (License #3030 in OK)

🟢

Initial NPI Registration & Enumeration November 21, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1598748907

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: November 21, 2005

Last Update: February 13, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

2116 W Iowa Ave

Chickasha, OK 730182736

Phone: 4052242100

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.