Dr. Stephen Howell, M.D.

Orthopedic Surgery
147 procedures 4 hospitals Sacramento, CA
Latest available Medicare data — updated April 2026
Top 10% Nationally

Contact & Location

Phone: 916-689-7370
Practice phone listed in the NPI registry
8120 Timberlake Way
Sacramento, CA 95823
NPI: 1972697704
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
Knee replacement recovery kit Ice machines, mobility aids, bathroom safety, all under $50
National Comparison by Procedure
Knee 147 vs 45 avg (6,599 surgeons)

Dr. Stephen Howell is a board-certified orthopedic surgeon practicing in Sacramento, California. A Medicare provider since 2006, Dr. Howell has performed 147 Medicare-verified knee replacements, ranking #21 in California.

In California, Dr. Howell performs well above average in knee (147 vs 47 avg).

Dr. Howell's Medicare data shows a focused knee replacement practice with 147 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.

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

Sacramento is home to 28 orthopedic surgeons in the current Medicare dataset. Patients in the Sacramento area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Dr. Howell's Medicare data spans 12 years, beginning in 2013. Volume peaked at 276 procedures in 2019 before settling at 147 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.

Among 6,599 knee replacement surgeons tracked nationally, Dr. Howell's 147 verified procedures is more than 3x the national average of 45, ranking #187 nationally.

Verified Medicare Cases

Knee Replacement
147 verified cases
#21 in California
Estimated total: 400 – 450 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. Howell Compares

Procedure volume compared to the California state average.

Knee Very High
147 Avg: 47
Dr. Howell California Average

Volume Trend Analysis

Dr. Howell's recorded volume peaked at 276 procedures in 2019 and stood at 147 in the most recent data. Year-to-year variation can reflect changes in payer mix, practice scope, or Medicare billing patterns.

Years of Data 12
2024 Volume 147
Peak Volume 276 (2019)
Trend Declining

Hospital Affiliations & Quality

H
Adventist Health Lodi Memorial
3/5
Lodi, CA
Low case volume
H
Sutter Amador Hospital
4/5
Jackson, CA
Similar to national avg
H
Sutter Roseville Medical Center
3/5
Roseville, CA
Above national avg
H
Sutter Medical Center, Sacramento
4/5
Sacramento, CA
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 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. Howell

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

Dr. Howell has performed 147 Medicare-verified joint replacement procedures. This is more than 2x the California average of 68 procedures per surgeon. Dr. Howell ranks #72 out of 613 orthopedic surgeons in California.

What types of joint replacement does Dr. Howell perform?

Dr. Howell's reported Medicare volume is focused on knee replacement, with 147 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.

Are there other orthopedic surgeons near Dr. Howell in Sacramento?

Yes. There are 28 orthopedic surgeons in Sacramento 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. Howell 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. Howell's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 147 procedures shown here.

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

Dr. Howell's Medicare-recorded volume peaked at 276 procedures in 2019 and was 147 in the most recent data. Volume fluctuations can reflect changes in payer mix, practice focus, or Medicare reporting rather than a change in overall surgical activity.

Which hospitals is Dr. Howell affiliated with?

According to CMS facility affiliation data, Dr. Howell is affiliated with Adventist Health Lodi Memorial, Sutter Amador Hospital, Sutter Roseville Medical Center, Sutter Medical Center, Sacramento.

How does Dr. Howell compare to other orthopedic surgeons in Sacramento?

Among the 28 orthopedic surgeons in Sacramento, Dr. Howell ranks #1 by total Medicare procedure volume. Dr. Howell has the highest verified Medicare volume in the city.

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

Adventist Health Lodi Memorial (3 out of 5 CMS stars, insufficient case volume for complication rate comparison); Sutter Amador Hospital (4 out of 5 CMS stars, hip/knee complication rate similar to national average); Sutter Roseville Medical Center (3 out of 5 CMS stars, hip/knee complication rate above national average). These are hospital-level quality metrics from CMS Hospital Compare and do not reflect individual surgeon outcomes.

Other Orthopedic Surgeons in Sacramento, California

Dr. Howell's 147 Medicare procedures are above the Sacramento average of 89. The table below compares verified procedure volumes for orthopedic surgeons practicing in Sacramento.

SurgeonProceduresSpecialties
Dr. John Meehan 104 Hip, Knee
Dr. Mauro Giordani 85 Hip, Knee
Dr. David Tai 80 Hip, Knee
Dr. Adam Taylor 77 Hip, Knee
Dr. Samuel Hu 64 Hip, Knee
Dr. Matthew Tweet 63 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. Stephen Howell, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/ca/dr-stephen-howell-sacramento.html

Link: https://orthoprocedures.com/surgeons/ca/dr-stephen-howell-sacramento.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.