#48 Knee
#59 Hip

Dr. Daniel Sage, M.D.

Orthopedic Surgery
101 procedures 3 hospitals Pittsfield, MA
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 38 vs 36 avg (4,526 surgeons)
Knee 63 vs 45 avg (6,720 surgeons)

Dr. Daniel Sage is a board-certified orthopedic surgeon practicing in Pittsfield, Massachusetts. A Medicare provider since 2008, Dr. Sage has performed 63 Medicare-verified knee replacements (#48 in Massachusetts) and 38 hip replacements, for a combined total of 101 procedures.

In Massachusetts, Dr. Sage performs above average in knee (63 vs 51 avg), near average in hip (38 vs 44 avg).

Dr. Sage's reported Medicare volume is split between knee replacements (63 cases) and hip replacements (38 cases).

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

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

Medicare records for Dr. Sage extend back to 2015, covering 9 years of data. Over that period, recorded procedure volume increased from 41 to 101 in the most recent data, a 146% increase. This sustained growth reflects an expanding joint replacement practice.

Among 6,720 knee replacement surgeons tracked nationally, Dr. Sage's 63 verified procedures is above the national average of 45.

Verified Medicare Cases

Knee Replacement
63 verified cases
#48 in Massachusetts
Hip Replacement
38 verified cases
#59 in Massachusetts
Estimated total: 270 – 310 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. Sage Compares

Procedure volume compared to the Massachusetts state average.

Hip Average
38 Avg: 44
Knee High
63 Avg: 51
Dr. Sage Massachusetts Average

Contact & Location

Phone: 413-499-6600
24 Park Street
Pittsfield, MA 01201
NPI: 1982862462
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

Volume Trend Analysis

Dr. Sage's Medicare-recorded procedure volume has trended upward over 9 years, increasing 146% from 41 procedures in 2015 to 101 in the most recent data.

Years of Data 9
2023 Volume 101
Peak Volume 101 (2023)
Trend Growing

Hospital Affiliations & Quality

H
Berkshire Medical Center Inc - 1
★★★★☆
Pittsfield, MA
Similar to national avg
H
North Adams Regional Hospital
North Adams, MA
H
Fairview Hospital
★★★☆☆
Great Barrington, MA
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. Sage

How does Dr. Sage's procedure volume compare to other Massachusetts surgeons?

Dr. Sage has performed 101 Medicare-verified joint replacement procedures. This is in line with the Massachusetts average of 74 procedures per surgeon. Dr. Sage ranks #53 out of 202 orthopedic surgeons in Massachusetts.

What types of joint replacement does Dr. Sage perform?

Dr. Sage's Medicare data shows procedures in knee replacement (63 cases) and hip replacement (38 cases).

Are there other orthopedic surgeons near Dr. Sage in Pittsfield?

Yes. There are 4 orthopedic surgeons in Pittsfield 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 Massachusetts surgeons.

What does the Medicare data for Dr. Sage 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. Sage's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 101 procedures shown here.

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

Yes. Dr. Sage's Medicare-recorded volume has increased from 41 procedures in 2015 to 101 in the most recent data, a 146% increase over 9 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 101 procedures in 2023.

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

Yes. Dr. Sage's Medicare data shows procedures in knee replacement (63 cases), hip replacement (38 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Sage affiliated with?

According to CMS facility affiliation data, Dr. Sage is affiliated with Berkshire Medical Center Inc - 1, North Adams Regional Hospital, Fairview Hospital.

How does Dr. Sage compare to other orthopedic surgeons in Pittsfield?

Among the 4 orthopedic surgeons in Pittsfield, Dr. Sage ranks #2 by total Medicare procedure volume. Dr. Sage is among the highest-volume surgeons in Pittsfield.

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

Berkshire Medical Center Inc - 1 (4 out of 5 CMS stars, hip/knee complication rate similar to national average); Fairview Hospital (3 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 Pittsfield, Massachusetts

Dr. Sage's 101 Medicare procedures are above the Pittsfield average of 70. The table below compares verified procedure volumes for orthopedic surgeons practicing in Pittsfield.

SurgeonProceduresSpecialties
Dr. Kevin Mitts 130 Hip, Knee
Dr. Anthony Defelice 37 Knee
Dr. Mark Sprague 12 Shoulder

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. Daniel Sage, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/ma/dr-daniel-sage-pittsfield.html

Link: https://orthoprocedures.com/surgeons/ma/dr-daniel-sage-pittsfield.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.