#149 in California
Knee

Dr. Scott Hacker, M.D.

Specialist
47 procedures 2 hospitals La Mesa, CA
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 47 vs 45 avg (6,720 surgeons)

Dr. Scott Hacker is a board-certified orthopedic surgeon practicing in La Mesa, California. A Medicare provider since 2006, Dr. Hacker has performed 47 Medicare-verified knee replacements, ranking #149 in California.

In California, Dr. Hacker performs near average in knee (47 vs 45 avg).

Dr. Hacker's Medicare data shows a focused knee replacement practice with 47 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.

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

Dr. Hacker's Medicare record spans 11 years from 2013 through 2023. Procedure volume has remained consistent during that period, ranging from 24 to 57 procedures per year, reflecting a steady joint replacement practice.

Among 6,720 knee replacement surgeons tracked nationally, Dr. Hacker's 47 verified procedures is near the national average of 45.

Verified Medicare Cases

Knee Replacement
47 verified cases
#149 in California
Estimated total: 130 – 140 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. Hacker Compares

Procedure volume compared to the California state average.

Knee Average
47 Avg: 45
Dr. Hacker California Average

Contact & Location

Phone: 619-462-3131
5565 Grossmont Center Dr
La Mesa, CA 91942
NPI: 1750450805
Credentials: M.D.
Active Medicare provider (NPI verified)
20 years of practice experience
Licensed M.D.
Contact information available
Find Practice on Google Maps

Volume Trend Analysis

Dr. Hacker's procedure volume has been consistent across 11 years of Medicare data, ranging from 24 to 57 procedures per year. This stability suggests a well-established joint replacement practice.

Years of Data 11
2023 Volume 47
Peak Volume 57 (2022)
Trend Stable

Hospital Affiliations & Quality

H
Grossmont Hospital
★★★☆☆
La Mesa, CA
Similar to national avg
H
Sharp Coronado Hospital And Hlthcr Ctr
★★★★★
Coronado, 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.

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. Hacker

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

Dr. Hacker has performed 47 Medicare-verified joint replacement procedures. The California average is 65 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Hacker ranks #279 out of 608 orthopedic surgeons in California.

What types of joint replacement does Dr. Hacker perform?

Dr. Hacker's reported Medicare volume is focused on knee replacement, with 47 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.

Are there other orthopedic surgeons near Dr. Hacker in La Mesa?

Yes. There are 4 orthopedic surgeons in La Mesa 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. Hacker 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. Hacker's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 47 procedures shown here.

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

Dr. Hacker's procedure volume has been relatively stable over 11 years of Medicare data, ranging from 24 to 57 procedures per year between 2013 and 2023. Consistent volume over multiple years reflects a steady joint replacement practice.

Which hospitals is Dr. Hacker affiliated with?

According to CMS facility affiliation data, Dr. Hacker is affiliated with Grossmont Hospital, Sharp Coronado Hospital And Hlthcr Ctr.

How does Dr. Hacker compare to other orthopedic surgeons in La Mesa?

Among the 4 orthopedic surgeons in La Mesa, Dr. Hacker ranks #3 by total Medicare procedure volume. Dr. Hacker is among the highest-volume surgeons in La Mesa.

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

Grossmont Hospital (3 out of 5 CMS stars, hip/knee complication rate similar to national average); Sharp Coronado Hospital And Hlthcr Ctr (5 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 La Mesa, California

Dr. Hacker's 47 Medicare procedures are below the La Mesa average of 56. The table below compares verified procedure volumes for orthopedic surgeons practicing in La Mesa.

SurgeonProceduresSpecialties
Dr. Peter Hanson 103 Hip, Knee
Dr. Ben Dubois 51 Shoulder
Dr. Andrew Yoo 21 Hip

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. Scott Hacker, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/ca/dr-scott-hacker-la-mesa.html

Link: https://orthoprocedures.com/surgeons/ca/dr-scott-hacker-la-mesa.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.