#1 in Missouri
Hip

Dr. John Clohisy, MD

Orthopedic Surgery
99 procedures 5 hospitals Saint Louis, MO
Latest available Medicare data — updated April 2026
Volume Leader Rising Star
Hip replacement recovery kit Essentials every patient wishes they bought first
National Comparison by Procedure
Hip 99 vs 36 avg (4,526 surgeons)

Dr. John Clohisy is a board-certified orthopedic surgeon practicing in Saint Louis, Missouri. A Medicare provider since 2006, Dr. Clohisy has performed 99 Medicare-verified hip replacements, ranking #1 in Missouri.

In Missouri, Dr. Clohisy performs well above average in hip (99 vs 30 avg).

Dr. Clohisy's Medicare data shows a focused hip replacement practice with 99 verified procedures. Surgeons who concentrate on a single procedure type often develop deep procedural expertise, though total practice volume may include additional procedures not captured in Medicare fee-for-service data.

Saint Louis is home to 50 orthopedic surgeons in the current Medicare dataset. Patients in the Saint Louis area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs. Dr. Clohisy also maintains hospital privileges in MO and IL, indicating a regional practice that extends beyond Missouri.

Medicare records for Dr. Clohisy extend back to 2013, covering 11 years of data. Over that period, recorded procedure volume increased from 71 to 99 in the most recent data, a 39% increase. This sustained growth reflects an expanding joint replacement practice.

Among 4,526 hip replacement surgeons tracked nationally, Dr. Clohisy's 99 verified procedures is more than 2x the national average of 36, ranking #161 nationally.

Verified Medicare Cases

Hip Replacement
99 verified cases
#1 in Missouri
Estimated total: 270 – 300 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. Clohisy Compares

Procedure volume compared to the Missouri state average.

Hip Very High
99 Avg: 30
Dr. Clohisy Missouri Average

Contact & Location

Phone: 314-514-3500
4921 Parkview Pl
Saint Louis, MO 63110
NPI: 1972521516
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

Volume Trend Analysis

Dr. Clohisy's Medicare-recorded procedure volume has trended upward over 11 years, increasing 39% from 71 procedures in 2013 to 99 in the most recent data.

Years of Data 11
2023 Volume 99
Peak Volume 99 (2022)
Trend Growing

Hospital Affiliations & Quality

H
Barnes-Jewish West County Hospital
★★★★☆
Creve Coeur, MO
Similar to national avg
H
Barnes Jewish Hospital
★★★★☆
Saint Louis, MO
Similar to national avg
H
Memorial Hospital
★★★★☆
Belleville, IL
Similar to national avg
H
St Lukes Hospital
★★★★☆
Chesterfield, MO
Similar to national avg
H
Missouri Baptist Medical Center
★★★★☆
Town And Country, MO
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.

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. Clohisy

How does Dr. Clohisy's procedure volume compare to other Missouri surgeons?

Dr. Clohisy has performed 99 Medicare-verified joint replacement procedures. This is significantly above the Missouri average of 56 procedures per surgeon. Dr. Clohisy ranks #32 out of 199 orthopedic surgeons in Missouri.

What types of joint replacement does Dr. Clohisy perform?

Dr. Clohisy's reported Medicare volume is focused on hip replacement, with 99 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.

How experienced is Dr. Clohisy with hip replacement surgery?

Dr. Clohisy ranks #1 in Missouri for hip replacement with 99 Medicare-verified procedures. This high ranking among 199 state surgeons indicates significant experience with this specific procedure.

Are there other orthopedic surgeons near Dr. Clohisy in Saint Louis?

Yes. There are 50 orthopedic surgeons in Saint Louis 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 Missouri surgeons.

What does the Medicare data for Dr. Clohisy 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. Clohisy's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 99 procedures shown here.

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

Yes. Dr. Clohisy's Medicare-recorded volume has increased from 71 procedures in 2013 to 99 in the most recent data, a 39% increase over 11 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 99 procedures in 2022.

Which hospitals is Dr. Clohisy affiliated with?

According to CMS facility affiliation data, Dr. Clohisy is affiliated with Barnes-Jewish West County Hospital, Barnes Jewish Hospital, Memorial Hospital, St Lukes Hospital, Missouri Baptist Medical Center. Dr. Clohisy maintains hospital privileges across state lines, indicating a practice that serves patients in multiple states.

How does Dr. Clohisy compare to other orthopedic surgeons in Saint Louis?

Among the 50 orthopedic surgeons in Saint Louis, Dr. Clohisy ranks #9 by total Medicare procedure volume. The highest-volume surgeon in Saint Louis has 263 verified Medicare procedures.

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

Barnes-Jewish West County Hospital (4 out of 5 CMS stars, hip/knee complication rate similar to national average); Barnes Jewish Hospital (4 out of 5 CMS stars, hip/knee complication rate similar to national average); Memorial Hospital (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 Saint Louis, Missouri

Dr. Clohisy's 99 Medicare procedures are below the Saint Louis average of 143. The table below compares verified procedure volumes for orthopedic surgeons practicing in Saint Louis.

SurgeonProceduresSpecialties
Dr. Ryan Nunley 263 Hip, Knee
Dr. Michael Hubbard 135 Hip, Knee, Shoulder
Dr. Christopher Mudd 130 Hip, Knee
Dr. Ilya Bendich 128 Hip, Knee
Dr. Coles L'hommedieu 122 Hip, Knee
Dr. Christopher Palmer 121 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. John Clohisy, MD -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/mo/dr-john-clohisy-saint-louis.html

Link: https://orthoprocedures.com/surgeons/mo/dr-john-clohisy-saint-louis.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.