#12 Shoulder
#36 Knee

Dr. Gregory Leather, M.D.

Orthopedic Surgery
29 procedures 3 hospitals Keene, NH
Latest available Medicare data — updated April 2026
Knee replacement recovery kit Ice machines, mobility aids, bathroom safety — under $50 essentials
National Comparison by Procedure
Knee 18 vs 45 avg (6,720 surgeons)
Shoulder 11 vs 28 avg (2,092 surgeons)

Dr. Gregory Leather is a board-certified orthopedic surgeon practicing in Keene, New Hampshire. A Medicare provider since 2006, Dr. Leather has performed 18 Medicare-verified knee replacements (#36 in New Hampshire) and 11 shoulder replacements, for a combined total of 29 procedures.

In New Hampshire, Dr. Leather performs below average in knee (18 vs 48 avg), below average in shoulder (11 vs 29 avg).

Dr. Leather's reported Medicare volume is split between knee replacements (18 cases) and shoulder replacements (11 cases).

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

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

Medicare records for Dr. Leather extend back to 2017, covering 6 years of data. Over that period, recorded procedure volume increased from 25 to 29 in the most recent data, a 16% increase. This sustained growth reflects an expanding joint replacement practice.

Dr. Leather's 18 knee replacement procedures is below the national average of 45 among 6,720 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.

Verified Medicare Cases

Knee Replacement
18 verified cases
#36 in New Hampshire
Shoulder Replacement
11 verified cases
#12 in New Hampshire
Estimated total: 80 – 90 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. Leather Compares

Procedure volume compared to the New Hampshire state average.

Knee Below Avg
18 Avg: 48
Shoulder Below Avg
11 Avg: 29
Dr. Leather New Hampshire Average

Contact & Location

Phone: 603-354-5400
590 Court St
Keene, NH 03431
NPI: 1285676700
Credentials: M.D.
Active Medicare provider (NPI verified)
20 years of practice experience
Licensed M.D.
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps

Volume Trend Analysis

Dr. Leather's Medicare-recorded procedure volume has trended upward over 6 years, increasing 16% from 25 procedures in 2017 to 29 in the most recent data.

Years of Data 6
2023 Volume 29
Peak Volume 35 (2022)
Trend Growing

Hospital Affiliations & Quality

H
Cheshire Medical Center
★★★★☆
Keene, NH
Low case volume
H
Mary Hitchcock Memorial Hospital
★★★★☆
Lebanon, NH
Similar to national avg
H
Monadnock Community Hospital
★★☆☆☆
Peterborough, NH
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.

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. Leather

How does Dr. Leather's procedure volume compare to other New Hampshire surgeons?

Dr. Leather has performed 29 Medicare-verified joint replacement procedures. The New Hampshire average is 67 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Leather ranks #39 out of 54 orthopedic surgeons in New Hampshire.

What types of joint replacement does Dr. Leather perform?

Dr. Leather's Medicare data shows procedures in knee replacement (18 cases) and shoulder replacement (11 cases).

Are there other orthopedic surgeons near Dr. Leather in Keene?

Yes. There are 3 orthopedic surgeons in Keene 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 Hampshire surgeons.

What does the Medicare data for Dr. Leather 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. Leather's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 29 procedures shown here.

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

Yes. Dr. Leather's Medicare-recorded volume has increased from 25 procedures in 2017 to 29 in the most recent data, a 16% increase over 6 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 35 procedures in 2022.

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

Yes. Dr. Leather's Medicare data shows procedures in knee replacement (18 cases), shoulder replacement (11 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Leather affiliated with?

According to CMS facility affiliation data, Dr. Leather is affiliated with Cheshire Medical Center, Mary Hitchcock Memorial Hospital, Monadnock Community Hospital.

How does Dr. Leather compare to other orthopedic surgeons in Keene?

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

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

Cheshire Medical Center (4 out of 5 CMS stars, insufficient case volume for complication rate comparison); Mary Hitchcock Memorial Hospital (4 out of 5 CMS stars, hip/knee complication rate similar to national average); Monadnock Community Hospital (2 out of 5 CMS stars, insufficient case volume for complication rate comparison). These are hospital-level quality metrics from CMS Hospital Compare and do not reflect individual surgeon outcomes.

Other Orthopedic Surgeons in Keene, New Hampshire

Dr. Leather's 29 Medicare procedures are below the Keene average of 84. The table below compares verified procedure volumes for orthopedic surgeons practicing in Keene.

SurgeonProceduresSpecialties
Dr. Vivek Venugopal 132 Hip, Knee
Dr. Anthony Presutti 90 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. Gregory Leather, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/nh/dr-gregory-leather-keene.html

Link: https://orthoprocedures.com/surgeons/nh/dr-gregory-leather-keene.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.