Dr. Gary Stein, M.D.

Orthopedic Surgery
82 procedures 4 hospitals Santa Rosa, CA
Growing Volume

Contact & Location

707-546-1922
Phone: 707-546-1922
Practice phone listed in the NPI registry
1405 Montgomery Dr
Santa Rosa, CA 95405
NPI: 1952344525
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
National Comparison by Procedure
Hip 38 vs 36 national avg (4,532 surgeons)
Knee 44 vs 45 national avg (6,599 surgeons)

About Dr. Stein

Dr. Gary Stein is a board-certified orthopedic surgeon practicing in Santa Rosa, California. A Medicare provider since 2006, Dr. Stein performed 44 Medicare-verified knee replacements (#174 in California) and 38 hip replacements in the latest annual CMS data, for a combined total of 82 procedures.

In California, Dr. Stein performs near the state average in knee (44 vs 47), near the state average in hip (38 vs 41).

Dr. Stein's reported Medicare volume is split between knee replacements (44 cases) and hip replacements (38 cases).

Santa Rosa is home to 10 orthopedic surgeons in the current Medicare dataset. Patients in the Santa Rosa area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Medicare records for Dr. Stein extend back to 2013, covering 12 years of data. Over that period, recorded procedure volume increased from 62 to 82 in the most recent data, a 32% increase. This sustained growth reflects an expanding joint replacement practice.

Among 6,599 knee replacement surgeons tracked nationally, Dr. Stein's 44 verified procedures is near the national average of 45.

Verified Medicare Cases

Knee Replacement
44 verified cases
#174 in California
Hip Replacement
38 verified cases
#124 in California
Estimated total: 220 – 250 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. Stein Compares

Procedure volume compared to the California state average.

Hip Average
38 Avg: 41
Knee Average
44 Avg: 47
Dr. Stein California Average

Volume Trend Analysis

Dr. Stein's Medicare-recorded procedure volume has trended upward over 12 years, increasing 32% from 62 procedures in 2013 to 82 in the most recent data.

Years of Data 12
2024 Volume 82
Peak Volume 94 (2019)
Trend Growing

Hospital Affiliations & Quality

H
Providence Santa Rosa Memorial Hospital
2/5
Santa Rosa, CA
Similar to national avg
H
Sutter Santa Rosa Regional Hospital
4/5
Santa Rosa, CA
Similar to national avg
H
Sonoma Valley Hospital
1/5
Sonoma, CA
Low case volume
H
Adventist Health Clearlake
1/5
Clearlake, CA

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 Knee Replacement

If you are considering knee replacement surgery, these evidence-based guides can help you prepare and recover:

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. Stein

How does Dr. Stein's procedure volume compare to other California surgeons?

Dr. Stein has performed 82 Medicare-verified joint replacement procedures. This is in line with the California average of 68 procedures per surgeon. Dr. Stein ranks #155 out of 613 orthopedic surgeons in California.

What types of joint replacement does Dr. Stein perform?

Dr. Stein's Medicare data shows procedures in knee replacement (44 cases) and hip replacement (38 cases).

Are there other orthopedic surgeons near Dr. Stein in Santa Rosa?

Yes. There are 10 orthopedic surgeons in Santa Rosa 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 California surgeons.

What does the Medicare data for Dr. Stein 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. Stein's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 82 procedures shown here.

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

Yes. Dr. Stein's Medicare-recorded volume has increased from 62 procedures in 2013 to 82 in the most recent data, a 32% increase over 12 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 94 procedures in 2019.

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

Yes. Dr. Stein's Medicare data shows procedures in knee replacement (44 cases), hip replacement (38 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Stein affiliated with?

According to CMS facility affiliation data, Dr. Stein is affiliated with Providence Santa Rosa Memorial Hospital, Sutter Santa Rosa Regional Hospital, Sonoma Valley Hospital, Adventist Health Clearlake.

How does Dr. Stein compare to other orthopedic surgeons in Santa Rosa?

Among the 10 orthopedic surgeons in Santa Rosa, Dr. Stein ranks #3 by total Medicare procedure volume. Dr. Stein is among the highest-volume surgeons in Santa Rosa.

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

Providence Santa Rosa Memorial Hospital (2 out of 5 CMS stars, hip/knee complication rate similar to national average); Sutter Santa Rosa Regional Hospital (4 out of 5 CMS stars, hip/knee complication rate similar to national average); Sonoma Valley Hospital (1 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 Santa Rosa, California

Dr. Stein's 82 Medicare procedures are below the Santa Rosa average of 88. The table below compares verified procedure volumes for orthopedic surgeons practicing in Santa Rosa.

SurgeonProceduresSpecialties
Dr. Jeffrey Mulvihill 180 Hip, Knee
Dr. Kevin Howe 160 Hip, Knee
Dr. Steven Smith 55 Hip, Knee
Dr. Kent Yinger 55 Shoulder
Dr. Jacob Zipperstein 48 Hip, Knee
Dr. Neema Pourtaheri 38 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. Gary Stein, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/ca/dr-gary-stein-santa-rosa.html

Link: https://orthoprocedures.com/surgeons/ca/dr-gary-stein-santa-rosa.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.