Dr. Richard Thunder, M.D.

Orthopedic Surgery
12 procedures 3 hospitals La Jolla, CA
Latest available Medicare data — updated April 2026

Contact & Location

Phone: 858-535-1075
Practice phone listed in the NPI registry
9850 Genesee Avenue
La Jolla, CA 92037
NPI: 1780602276
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
Hip replacement recovery kit Essentials every patient wishes they bought first
National Comparison by Procedure
Hip 12 vs 36 avg (4,532 surgeons)

Dr. Richard Thunder is a board-certified orthopedic surgeon practicing in La Jolla, California. A Medicare provider since 2006, Dr. Thunder has performed 12 Medicare-verified hip replacements, ranking #329 in California.

In California, Dr. Thunder performs below average in hip (12 vs 41 avg).

Dr. Thunder's Medicare data shows a focused hip replacement practice with 12 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. Thunder holds additional credentials in Orthopaedic Trauma, reflecting subspecialty training that may benefit patients with complex joint conditions.

La Jolla is home to 15 orthopedic surgeons in the current Medicare dataset. Patients in the La Jolla area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Dr. Thunder's Medicare data spans 5 years, beginning in 2013. Volume peaked at 26 procedures in 2018 before settling at 12 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.

Dr. Thunder's 12 hip replacement procedures is below the national average of 36 among 4,532 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.

Verified Medicare Cases

Hip Replacement
12 verified cases
#329 in California
Estimated total: 30 – 40 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. Thunder Compares

Procedure volume compared to the California state average.

Hip Below Avg
12 Avg: 41
Dr. Thunder California Average

Volume Trend Analysis

Dr. Thunder's recorded volume peaked at 26 procedures in 2018 and stood at 12 in the most recent data. Year-to-year variation can reflect changes in payer mix, practice scope, or Medicare billing patterns.

Years of Data 5
2024 Volume 12
Peak Volume 26 (2018)
Trend Declining

Hospital Affiliations & Quality

H
Scripps Memorial Hospital La Jolla
5/5
La Jolla, CA
Similar to national avg
H
Northern Inyo Hospital
Bishop, CA
Low case volume
H
Scripps Memorial Hospital - Encinitas
5/5
Encinitas, 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 Hip Replacement

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

Hip Replacement Recovery Overview

Recovery timelines vary by patient, but here is a general overview of what to expect after hip replacement surgery:

Week 1-2 Walking with assistive device (walker or cane). Gentle range-of-motion exercises begin. Most patients can manage basic self-care.
Week 3-6 Transition to walking independently. Resume driving short distances. Physical therapy focuses on strength and balance.
Week 7-12 Return to most daily activities and light exercise. Stair climbing improves. Many patients return to desk work.
Month 4-6 Full recovery for most patients. Resume recreational activities, golf, swimming, and low-impact exercise.

Individual recovery varies based on overall health, age, and adherence to physical therapy. View full hip replacement recovery guide and product recommendations

Frequently Asked Questions About Dr. Thunder

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

Dr. Thunder has performed 12 Medicare-verified joint replacement procedures. The California average is 68 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Thunder ranks #575 out of 613 orthopedic surgeons in California.

What types of joint replacement does Dr. Thunder perform?

Dr. Thunder's reported Medicare volume is focused on hip replacement, with 12 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.

Are there other orthopedic surgeons near Dr. Thunder in La Jolla?

Yes. There are 15 orthopedic surgeons in La Jolla 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. Thunder 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. Thunder's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 12 procedures shown here.

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

Dr. Thunder's Medicare-recorded volume peaked at 26 procedures in 2018 and was 12 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. Thunder affiliated with?

According to CMS facility affiliation data, Dr. Thunder is affiliated with Scripps Memorial Hospital La Jolla, Northern Inyo Hospital, Scripps Memorial Hospital - Encinitas.

How does Dr. Thunder compare to other orthopedic surgeons in La Jolla?

Among the 15 orthopedic surgeons in La Jolla, Dr. Thunder ranks #15 by total Medicare procedure volume. The highest-volume surgeon in La Jolla has 232 verified Medicare procedures.

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

Scripps Memorial Hospital La Jolla (5 out of 5 CMS stars, hip/knee complication rate similar to national average); Northern Inyo Hospital (insufficient case volume for complication rate comparison); Scripps Memorial Hospital - Encinitas (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 Jolla, California

Dr. Thunder's 12 Medicare procedures are below the La Jolla average of 147. The table below compares verified procedure volumes for orthopedic surgeons practicing in La Jolla.

SurgeonProceduresSpecialties
Dr. William Bugbee 232 Hip, Knee
Dr. Steven Copp 211 Hip, Knee
Dr. Jeffrey Wilde 170 Hip, Knee
Dr. Anna Kulidjian 158 Hip, Knee
Dr. Matthew Weber 136 Hip, Knee
Dr. Kace Ezzet 108 Hip, Knee

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. Richard Thunder, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/ca/dr-richard-thunder-la-jolla.html

Link: https://orthoprocedures.com/surgeons/ca/dr-richard-thunder-la-jolla.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.