Dr. Jason Grassbaugh, MD

Orthopedic Surgery
42 procedures 4 hospitals Tacoma, WA
Latest available Medicare data — updated April 2026

Contact & Location

Phone: 253-274-7504
Practice phone listed in the NPI registry
1608 S J St Fl 4
Tacoma, WA 98405
NPI: 1184697211
Credentials: MD
Active Medicare provider (NPI verified)
20 years of practice experience
Licensed MD
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps
Hip replacement recovery kit Essentials every patient wishes they bought first
National Comparison by Procedure
Hip 21 vs 36 avg (4,532 surgeons)
Knee 21 vs 45 avg (6,599 surgeons)

Dr. Jason Grassbaugh is a board-certified orthopedic surgeon practicing in Tacoma, Washington. A Medicare provider since 2006, Dr. Grassbaugh has performed 21 Medicare-verified knee replacements (#108 in Washington) and 21 hip replacements, for a combined total of 42 procedures.

In Washington, Dr. Grassbaugh performs below average in knee (21 vs 41 avg), below average in hip (21 vs 38 avg).

Dr. Grassbaugh's reported Medicare volume is split between knee replacements (21 cases) and hip replacements (21 cases).

Beyond general orthopedic surgery, Dr. Grassbaugh holds additional credentials in General Practice and Sports Medicine, reflecting subspecialty training that may benefit patients with complex joint conditions.

Tacoma is home to 4 orthopedic surgeons in the current Medicare dataset. Patients in the Tacoma area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Dr. Grassbaugh first appears in the Medicare dataset in 2023. With 2 years of recorded data, the longitudinal trend is still developing.

Dr. Grassbaugh's 21 hip replacement procedures is below the national average of 36 among 4,532 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.

Verified Medicare Cases

Hip Replacement
21 verified cases
#81 in Washington
Knee Replacement
21 verified cases
#108 in Washington
Estimated total: 110 – 130 procedures (all insurers)
Based on Medicare FFS representing 33–37% of national joint replacement volume
How is this estimated?

Medicare Part B fee-for-service claims represent approximately 33–37% of all joint replacements performed nationally (source: CMS data, AJRR). This range estimates the surgeon's total practice volume across all payers. The verified Medicare count above is the definitive, audited figure.

How Dr. Grassbaugh Compares

Procedure volume compared to the Washington state average.

Hip Below Avg
21 Avg: 38
Knee Below Avg
21 Avg: 41
Dr. Grassbaugh Washington Average

Volume Trend Analysis

Dr. Grassbaugh has 2 years of Medicare procedure data beginning in 2023. Additional years of data will provide a clearer picture of volume trends.

Years of Data 2
2024 Volume 42
Peak Volume 42 (2024)
Trend Developing

Hospital Affiliations & Quality

H
St Joseph Medical Center
4/5
Tacoma, WA
Low case volume
H
St Anthony Hospital
4/5
Gig Harbor, WA
Low case volume
H
St Clare Hospital
5/5
Lakewood, WA
Similar to national avg
H
St Francis Community Hospital
3/5
Federal Way, WA
Low case volume

Quality ratings and complication rates are hospital-level metrics from CMS Hospital Compare and do not reflect individual surgeon performance. Star ratings updated quarterly. Complication data covers a rolling 3-year period.

Patient Resources: Preparing for Hip Replacement

If you are considering hip replacement surgery, these evidence-based guides can help you prepare and recover:

Hip Replacement Recovery Overview

Recovery timelines vary by patient, but here is a general overview of what to expect after hip replacement surgery:

Week 1-2 Walking with assistive device (walker or cane). Gentle range-of-motion exercises begin. Most patients can manage basic self-care.
Week 3-6 Transition to walking independently. Resume driving short distances. Physical therapy focuses on strength and balance.
Week 7-12 Return to most daily activities and light exercise. Stair climbing improves. Many patients return to desk work.
Month 4-6 Full recovery for most patients. Resume recreational activities, golf, swimming, and low-impact exercise.

Individual recovery varies based on overall health, age, and adherence to physical therapy. View full hip replacement recovery guide and product recommendations

Frequently Asked Questions About Dr. Grassbaugh

How does Dr. Grassbaugh's procedure volume compare to other Washington surgeons?

Dr. Grassbaugh has performed 42 Medicare-verified joint replacement procedures. The Washington average is 59 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Grassbaugh ranks #111 out of 198 orthopedic surgeons in Washington.

What types of joint replacement does Dr. Grassbaugh perform?

Dr. Grassbaugh's Medicare data shows procedures in knee replacement (21 cases) and hip replacement (21 cases).

Are there other orthopedic surgeons near Dr. Grassbaugh in Tacoma?

Yes. There are 4 orthopedic surgeons in Tacoma in the current Medicare dataset. Patients can compare procedure volumes and specializations to choose the surgeon who best fits their needs. Use the state page to view all Washington surgeons.

What does the Medicare data for Dr. Grassbaugh represent?

The procedure counts shown are based on the most recent Medicare Part B fee-for-service claims data, published by the Centers for Medicare and Medicaid Services (CMS). This captures approximately 33–37% of all joint replacements performed nationally. Dr. Grassbaugh's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 42 procedures shown here.

Does Dr. Grassbaugh perform more than one type of joint replacement?

Yes. Dr. Grassbaugh's Medicare data shows procedures in knee replacement (21 cases), hip replacement (21 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Grassbaugh affiliated with?

According to CMS facility affiliation data, Dr. Grassbaugh is affiliated with St Joseph Medical Center, St Anthony Hospital, St Clare Hospital, St Francis Community Hospital.

How does Dr. Grassbaugh compare to other orthopedic surgeons in Tacoma?

Among the 4 orthopedic surgeons in Tacoma, Dr. Grassbaugh ranks #3 by total Medicare procedure volume. Dr. Grassbaugh is among the highest-volume surgeons in Tacoma.

What are the quality ratings for hospitals where Dr. Grassbaugh practices?

St Joseph Medical Center (4 out of 5 CMS stars, insufficient case volume for complication rate comparison); St Anthony Hospital (4 out of 5 CMS stars, insufficient case volume for complication rate comparison); St Clare Hospital (5 out of 5 CMS stars, hip/knee complication rate similar to national average). These are hospital-level quality metrics from CMS Hospital Compare and do not reflect individual surgeon outcomes.

Other Orthopedic Surgeons in Tacoma, Washington

Dr. Grassbaugh's 42 Medicare procedures are below the Tacoma average of 76. The table below compares verified procedure volumes for orthopedic surgeons practicing in Tacoma.

SurgeonProceduresSpecialties
Dr. Henry Yu 171 Hip, Knee
Dr. Robert Tamurian 79 Hip, Knee
Dr. Neil Shah 13 Shoulder

Patient Resources & Verification

Research reviews, verify credentials, and check official quality data through these trusted sources:

Medicare Care Compare and NPI Registry are official U.S. government sources. Google reviews reflect user-submitted feedback. OrthoProcedures.com does not verify the accuracy of third-party review content.

Cite This Data

APA: OrthoProcedures. (2026). Dr. Jason Grassbaugh, MD -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/wa/dr-jason-grassbaugh-tacoma.html

Link: https://orthoprocedures.com/surgeons/wa/dr-jason-grassbaugh-tacoma.html

Data source: CMS Medicare Part B Provider Utilization & Payment Data. Full methodology | Open Data API

Important: Rankings are based solely on Medicare procedure volume and do not reflect quality of care, patient outcomes, or procedures covered by private insurance. This data represents approximately one-third to 40% of all joint replacement procedures nationwide. Always consult with healthcare providers to make informed decisions about your care.