Dr. John Delgado, MD

Orthopedic Surgery
69 procedures 1 hospital Thousand Oaks, CA
Growing Volume

Contact & Location

805-497-9481
Phone: 805-497-9481
Practice phone listed in the NPI registry
375 Rolling Oaks Dr
Thousand Oaks, CA 91361
NPI: 1225204845
Credentials: MD
Active Medicare provider (NPI verified)
18 years of practice experience
Licensed MD
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps
National Comparison by Procedure
Hip 37 vs 36 national avg (4,532 surgeons)
Knee 32 vs 45 national avg (6,599 surgeons)

About Dr. Delgado

Dr. John Delgado is a board-certified orthopedic surgeon practicing in Thousand Oaks, California. A Medicare provider since 2008, Dr. Delgado performed 37 Medicare-verified hip replacements (#125 in California) and 32 knee replacements in the latest annual CMS data, for a combined total of 69 procedures.

In California, Dr. Delgado performs near the state average in hip (37 vs 41), below the state average in knee (32 vs 47).

Dr. Delgado's reported Medicare volume is split between hip replacements (37 cases) and knee replacements (32 cases).

Thousand Oaks is home to 5 orthopedic surgeons in the current Medicare dataset. Patients in the Thousand Oaks area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Medicare records for Dr. Delgado extend back to 2016, covering 9 years of data. Over that period, recorded procedure volume increased from 17 to 69 in the most recent data, a 306% increase. This sustained growth reflects an expanding joint replacement practice.

Among 4,532 hip replacement surgeons tracked nationally, Dr. Delgado's 37 verified procedures is near the national average of 36.

Verified Medicare Cases

Hip Replacement
37 verified cases
#125 in California
Knee Replacement
32 verified cases
#238 in California
Estimated total: 190 – 210 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. Delgado Compares

Procedure volume compared to the California state average.

Hip Average
37 Avg: 41
Knee Below Avg
32 Avg: 47
Dr. Delgado California Average

Volume Trend Analysis

Dr. Delgado's Medicare-recorded procedure volume has trended upward over 9 years, increasing 306% from 17 procedures in 2016 to 69 in the most recent data.

Years of Data 9
2024 Volume 69
Peak Volume 69 (2024)
Trend Growing

Hospital Affiliations & Quality

H
Los Robles Hospital & Medical Center
4/5
Thousand Oaks, 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. Delgado

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

Dr. Delgado has performed 69 Medicare-verified joint replacement procedures. This is in line with the California average of 68 procedures per surgeon. Dr. Delgado ranks #199 out of 613 orthopedic surgeons in California.

What types of joint replacement does Dr. Delgado perform?

Dr. Delgado's Medicare data shows procedures in hip replacement (37 cases) and knee replacement (32 cases).

Are there other orthopedic surgeons near Dr. Delgado in Thousand Oaks?

Yes. There are 5 orthopedic surgeons in Thousand Oaks 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. Delgado 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. Delgado's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 69 procedures shown here.

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

Yes. Dr. Delgado's Medicare-recorded volume has increased from 17 procedures in 2016 to 69 in the most recent data, a 306% increase over 9 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 69 procedures in 2024.

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

Yes. Dr. Delgado's Medicare data shows procedures in hip replacement (37 cases), knee replacement (32 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Delgado affiliated with?

According to CMS facility affiliation data, Dr. Delgado is affiliated with Los Robles Hospital & Medical Center.

How does Dr. Delgado compare to other orthopedic surgeons in Thousand Oaks?

Among the 5 orthopedic surgeons in Thousand Oaks, Dr. Delgado ranks #2 by total Medicare procedure volume. Dr. Delgado is among the highest-volume surgeons in Thousand Oaks.

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

Los Robles Hospital & Medical Center (4 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 Thousand Oaks, California

Dr. Delgado's 69 Medicare procedures are above the Thousand Oaks average of 67. The table below compares verified procedure volumes for orthopedic surgeons practicing in Thousand Oaks.

SurgeonProceduresSpecialties
Dr. Joseph Turk 119 Hip, Knee
Dr. Gregory Tchejeyan 62 Hip, Knee
Dr. Michael Vercillo 61 Knee
Dr. Daniel Acevedo 26 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. John Delgado, MD -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/ca/dr-john-delgado-thousand-oaks.html

Link: https://orthoprocedures.com/surgeons/ca/dr-john-delgado-thousand-oaks.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.