#39 Hip
#51 Knee

Dr. Kory Johnson, D.O.

Orthopedic Surgery
77 procedures 1 hospital Grand Rapids, MI
Latest available Medicare data — updated April 2026
Rising Star
Knee replacement recovery kit Ice machines, mobility aids, bathroom safety — under $50 essentials
National Comparison by Procedure
Hip 34 vs 36 avg (4,526 surgeons)
Knee 43 vs 45 avg (6,720 surgeons)

Dr. Kory Johnson is a board-certified orthopedic surgeon practicing in Grand Rapids, Michigan. A Medicare provider since 2009, Dr. Johnson has performed 43 Medicare-verified knee replacements (#51 in Michigan) and 34 hip replacements, for a combined total of 77 procedures.

In Michigan, Dr. Johnson performs above average in knee (43 vs 33 avg), near average in hip (34 vs 29 avg).

Dr. Johnson's reported Medicare volume is split between knee replacements (43 cases) and hip replacements (34 cases).

Beyond general orthopedic surgery, Dr. Johnson holds additional credentials in Adult Reconstructive Orthopaedic Surgery, reflecting subspecialty training that may benefit patients with complex joint conditions.

Grand Rapids is home to 19 orthopedic surgeons in the current Medicare dataset. Patients in the Grand Rapids area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Medicare records for Dr. Johnson extend back to 2016, covering 8 years of data. Over that period, recorded procedure volume increased from 44 to 77 in the most recent data, a 75% increase. This sustained growth reflects an expanding joint replacement practice.

Among 6,720 knee replacement surgeons tracked nationally, Dr. Johnson's 43 verified procedures is near the national average of 45.

Verified Medicare Cases

Knee Replacement
43 verified cases
#51 in Michigan
Hip Replacement
34 verified cases
#39 in Michigan
Estimated total: 210 – 230 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. Johnson Compares

Procedure volume compared to the Michigan state average.

Hip Average
34 Avg: 29
Knee High
43 Avg: 33
Dr. Johnson Michigan Average

Contact & Location

Phone: 616-459-7101
555 Midtowne St Ne
Grand Rapids, MI 49503
NPI: 1952539603
Credentials: D.O.
Active Medicare provider (NPI verified)
17 years of practice experience
Licensed D.O.
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps

Volume Trend Analysis

Dr. Johnson's Medicare-recorded procedure volume has trended upward over 8 years, increasing 75% from 44 procedures in 2016 to 77 in the most recent data.

Years of Data 8
2023 Volume 77
Peak Volume 103 (2019)
Trend Growing

Hospital Affiliations & Quality

H
University Of Michigan Health - West
★★★★☆
Wyoming, MI
Similar to national avg

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.

Knee Replacement Recovery Overview

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

Week 1-2 Walking with assistive device. Knee bending exercises begin immediately. Ice therapy and elevation for swelling control.
Week 3-6 Increased range of motion (target 90 degrees). Walking longer distances. Physical therapy intensifies with strengthening exercises.
Week 7-12 Most patients walk without assistive devices. Resume driving and desk work. Continue PT for strength and flexibility.
Month 4-6 Near-full recovery. Resume most recreational activities. Some swelling and stiffness may persist but continues improving.

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

Frequently Asked Questions About Dr. Johnson

How does Dr. Johnson's procedure volume compare to other Michigan surgeons?

Dr. Johnson has performed 77 Medicare-verified joint replacement procedures. This is significantly above the Michigan average of 48 procedures per surgeon. Dr. Johnson ranks #45 out of 272 orthopedic surgeons in Michigan.

What types of joint replacement does Dr. Johnson perform?

Dr. Johnson's Medicare data shows procedures in knee replacement (43 cases) and hip replacement (34 cases).

Are there other orthopedic surgeons near Dr. Johnson in Grand Rapids?

Yes. There are 19 orthopedic surgeons in Grand Rapids 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 Michigan surgeons.

What does the Medicare data for Dr. Johnson 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. Johnson's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 77 procedures shown here.

Has Dr. Johnson's procedure volume changed over time?

Yes. Dr. Johnson's Medicare-recorded volume has increased from 44 procedures in 2016 to 77 in the most recent data, a 75% increase over 8 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 103 procedures in 2019.

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

Yes. Dr. Johnson's Medicare data shows procedures in knee replacement (43 cases), hip replacement (34 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Johnson affiliated with?

According to CMS facility affiliation data, Dr. Johnson is affiliated with University Of Michigan Health - West.

How does Dr. Johnson compare to other orthopedic surgeons in Grand Rapids?

Among the 19 orthopedic surgeons in Grand Rapids, Dr. Johnson ranks #2 by total Medicare procedure volume. Dr. Johnson is among the highest-volume surgeons in Grand Rapids.

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

University Of Michigan Health - West (4 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 Grand Rapids, Michigan

Dr. Johnson's 77 Medicare procedures are above the Grand Rapids average of 60. The table below compares verified procedure volumes for orthopedic surgeons practicing in Grand Rapids.

SurgeonProceduresSpecialties
Dr. Charles Sherry 101 Hip, Knee
Dr. John Mahajan 65 Hip, Knee
Dr. Thomas Malvitz 52 Hip, Knee
Dr. Benjamin Strong 44 Hip, Knee
Dr. Peter Ugolini 43 Shoulder
Dr. Clayton Perry 40 Hip, Knee

Patient Reviews & Ratings

OrthoProcedures.com focuses on verified Medicare procedure data. For patient reviews, ratings, and appointment scheduling, visit these trusted platforms:

These links lead to third-party websites. OrthoProcedures.com is not affiliated with these platforms and cannot verify the accuracy of reviews.

Cite This Data

APA: OrthoProcedures. (2026). Dr. Kory Johnson, D.O. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/mi/dr-kory-johnson-grand-rapids.html

Link: https://orthoprocedures.com/surgeons/mi/dr-kory-johnson-grand-rapids.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.