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Active NPI 1003935388 Individual Practitioner Female Practitioner

Dr. Tamara Shannan Simpson , MD

Orthopaedic Surgery • Hermiston, OR

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Tamara Simpson, MD is a certified Orthopaedic Surgery practicing in Hermiston, OR. With approximately 24 years of clinical experience since graduating from Oregon Health Sciences University School Of Medicine in 2002, Dr. Simpson delivers high-quality medical care to the local community at 1122 W ELM AVE.

Dr. Simpson is affiliated with Good Shepherd Health Care System and accepts Medicare assignment.

Frequently performed procedures and clinical services include injection, triamcinolone acetonide, not otherwise specified, 10 mg, established patient outpatient office visit, new patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1122 W Elm Ave

Hermiston, OR 978386933

Telephone 5412897075
Fax 5413144873
Associated Practice Facility / Clinic
🏢 Motion Orthopedics, P.c. Facility NPI 1780813741

Medicare Profile & Education

Medical School

Oregon Health Sciences University School Of Medicine

Graduation Year

2002

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Orthopaedic Surgery in Hermiston, OR

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
24 Yrs -2.8 yrs vs City Avg
City Avg: 26.8 Yrs
State Avg: 26.4 Yrs
Regional Practice Density
6 Specialists

Practicing in Hermiston, OR (360 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
66.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Simpson (24 Years) 24 Yrs
Hermiston Specialty Average (26.8 Years) 26.8 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
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg
56 13 $4.00 $0.99
99213 Established patient office or other outpatient visit, typically 15 minutes
54 31 $244.94 $87.21
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more
22 22 $307.00 $106.84
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes
11 11 $387.00 $123.65

Medical Specialties & State Licenses

CMS Verified: 2026-06-10
Orthopaedic Surgery Primary Specialty

NUCC Taxonomy Code: 207X00000X

State License OR MD21283

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.

Orthopaedic Surgery - Orthopaedic Trauma

NUCC Taxonomy Code: 207XX0801X

State License OR MD21283

Recognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, orthopaedic trauma surgeons deal with the evaluation and management of acute orthopaedic injuries, evaluation and treatment of post-traumatic deformities and nonunions, acute and delayed reconstruction of pelvic and acetabular fractures, as well as osteotomy in the adult hip for treatment of hip arthritis.

Hospital & Practice Group Affiliations

Good Shepherd Health Care System

600 Nw 11th St, Hermiston, OR 978388604

Phone: 5416673400

Good Shepherd Health Care System

610 Nw 11th St, Hermiston, OR 978386601

Phone: 5416673400

Good Shepherd Health Care System

600 Nw 11th St, Hermiston, OR 978388604

Phone: 5416673400

Practice Associates & Co-Workers

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

8 Associated Practitioners
NPI 1114087632

Doctor of Podiatric Medicine

Nathan Camp

Physical Medicine & Rehabilitation

NPI 1225667918
Dr. Matthew Thompson , MD

Orthopaedic Surgery

NPI 1326330580

Doctor of Medicine (M.D.)

Dr. Zhiqing Xing , MD

Orthopaedic Surgery

NPI 1417129339

Doctor of Medicine (M.D.)

Dr. Kyle Duncan , DPM

Podiatrist - Foot & Ankle Surgery

NPI 1598185712

Doctor of Podiatric Medicine

Dr. James Whittum , MD

Orthopaedic Surgery

NPI 1750321089

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

11 Historical Events
📍
Updated Practice Location March 27, 2025

Registered at 1122 W ELM AVE, HERMISTON, OR 978386933 (Tel: 5412897075)

📍
Updated Business Mailing Address March 27, 2025

Registered at 1122 W ELM AVE, HERMISTON, OR 978386933 (Tel: 5412897075)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 27, 2025

Orthopaedic Surgery (License #MD21283 in OR)

📍
Updated Practice Location August 23, 2023

Registered at 537 SW UNION AVE., 2ND FLOOR, GRANTS PASS, OR 975275788 (Tel: 5415072050)

📍
Updated Business Mailing Address August 23, 2023

Registered at 2825 E BARNETT RD, MSS, MEDFORD, OR 975048332 (Tel: 5417894207)

NPI Profile Active May 03, 2012

NPI status registered as active in NPPES database

📍
Updated Practice Location May 03, 2012

Registered at 512 N YOUNG ST, SUITE C, KENNEWICK, WA 993367806 (Tel: 5095722605)

📍
Updated Business Mailing Address May 03, 2012

Registered at 805 MADISON ST, SUITE 901, SEATTLE, WA 981041172 (Tel: 2062648100)

👤
Provider Name / Credentials Updated May 03, 2012

Recorded as TAMARA SIMPSON, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) May 03, 2012

Orthopaedic Surgery (License #MD00047379 in WA)

🟢
Initial NPI Registration & Enumeration March 28, 2007

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: 1003935388
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 28, 2007
Last Update: June 10, 2026
Sole Proprietor: No

Mailing Address

1122 W Elm Ave

Hermiston, OR 978386933

Phone: 5412897075

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.