Dr. Keith Reinhardt, M.D.

Orthopedic Surgery
184 procedures 3 hospitals Bay Shore, NY
Latest available Medicare data — updated April 2026
Growing Volume Top 10% Nationally

Contact & Location

Phone: 631-968-3777
Practice phone listed in the NPI registry
217 E Main St
Bay Shore, NY 11706
NPI: 1427224591
Credentials: M.D.
Active Medicare provider (NPI verified)
18 years of practice experience
Licensed M.D.
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 93 vs 36 avg (4,532 surgeons)
Knee 91 vs 45 avg (6,599 surgeons)

Dr. Keith Reinhardt is a board-certified orthopedic surgeon practicing in Bay Shore, New York. A Medicare provider since 2008, Dr. Reinhardt has performed 93 Medicare-verified hip replacements (#16 in New York) and 91 knee replacements, for a combined total of 184 procedures.

In New York, Dr. Reinhardt performs well above average in hip (93 vs 42 avg), above average in knee (91 vs 47 avg).

Dr. Reinhardt's reported Medicare volume is split between hip replacements (93 cases) and knee replacements (91 cases).

Bay Shore is home to 3 orthopedic surgeons in the current Medicare dataset. Patients in the Bay Shore area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Medicare records for Dr. Reinhardt extend back to 2014, covering 11 years of data. Over that period, recorded procedure volume increased from 13 to 184 in the most recent data, a 1315% increase. This sustained growth reflects an expanding joint replacement practice.

Among 4,532 hip replacement surgeons tracked nationally, Dr. Reinhardt's 93 verified procedures is more than 2x the national average of 36.

Verified Medicare Cases

Hip Replacement
93 verified cases
#16 in New York
Knee Replacement
91 verified cases
#36 in New York
Estimated total: 500 – 560 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. Reinhardt Compares

Procedure volume compared to the New York state average.

Hip Very High
93 Avg: 42
Knee High
91 Avg: 47
Dr. Reinhardt New York Average

Volume Trend Analysis

Dr. Reinhardt's Medicare-recorded procedure volume has trended upward over 11 years, increasing 1315% from 13 procedures in 2014 to 184 in the most recent data.

Years of Data 11
2024 Volume 184
Peak Volume 203 (2023)
Trend Growing

Hospital Affiliations & Quality

H
South Shore University Hospital
3/5
Bay Shore, NY
Similar to national avg
H
St Charles Hospital
4/5
Port Jefferson, NY
Similar to national avg
H
North Shore University Hospital
4/5
Manhasset, NY
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.

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. Reinhardt

How does Dr. Reinhardt's procedure volume compare to other New York surgeons?

Dr. Reinhardt has performed 184 Medicare-verified joint replacement procedures. This is more than 2x the New York average of 69 procedures per surgeon. Dr. Reinhardt ranks #24 out of 334 orthopedic surgeons in New York.

What types of joint replacement does Dr. Reinhardt perform?

Dr. Reinhardt's Medicare data shows procedures in hip replacement (93 cases) and knee replacement (91 cases).

How experienced is Dr. Reinhardt with hip replacement surgery?

Dr. Reinhardt ranks #16 in New York for hip replacement with 93 Medicare-verified procedures. This high ranking among 334 state surgeons indicates significant experience with this specific procedure.

Are there other orthopedic surgeons near Dr. Reinhardt in Bay Shore?

Yes. There are 3 orthopedic surgeons in Bay Shore 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 New York surgeons.

What does the Medicare data for Dr. Reinhardt 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. Reinhardt's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 184 procedures shown here.

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

Yes. Dr. Reinhardt's Medicare-recorded volume has increased from 13 procedures in 2014 to 184 in the most recent data, a 1315% increase over 11 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 203 procedures in 2023.

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

Yes. Dr. Reinhardt's Medicare data shows procedures in hip replacement (93 cases), knee replacement (91 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Reinhardt affiliated with?

According to CMS facility affiliation data, Dr. Reinhardt is affiliated with South Shore University Hospital, St Charles Hospital, North Shore University Hospital.

How does Dr. Reinhardt compare to other orthopedic surgeons in Bay Shore?

Among the 3 orthopedic surgeons in Bay Shore, Dr. Reinhardt ranks #2 by total Medicare procedure volume. Dr. Reinhardt is among the highest-volume surgeons in Bay Shore.

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

South Shore University Hospital (3 out of 5 CMS stars, hip/knee complication rate similar to national average); St Charles Hospital (4 out of 5 CMS stars, hip/knee complication rate similar to national average); North Shore University 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 Bay Shore, New York

Dr. Reinhardt's 184 Medicare procedures are below the Bay Shore average of 187. The table below compares verified procedure volumes for orthopedic surgeons practicing in Bay Shore.

SurgeonProceduresSpecialties
Dr. Michael Nett 303 Hip, Knee
Dr. John Acampa 75 Hip, Knee, 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. Keith Reinhardt, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/ny/dr-keith-reinhardt-bay-shore.html

Link: https://orthoprocedures.com/surgeons/ny/dr-keith-reinhardt-bay-shore.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.