Dr. Dennis Blackburn, D.O.

Orthopedic Surgery
84 procedures 1 hospital Santa Maria, CA
Growing Volume

Contact & Location

805-349-9545
Phone: 805-349-9545
Practice phone listed in the NPI registry
2342 Professional Pkwy
Santa Maria, CA 93455
NPI: 1851353205
Credentials: D.O.
Active Medicare provider (NPI verified)
20 years of practice experience
Licensed D.O.
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps
National Comparison by Procedure
Hip 41 vs 36 national avg (4,532 surgeons)
Knee 17 vs 45 national avg (6,599 surgeons)
Shoulder 26 vs 29 national avg (2,213 surgeons)

About Dr. Blackburn

Dr. Dennis Blackburn is a board-certified orthopedic surgeon practicing in Santa Maria, California. A Medicare provider since 2006, Dr. Blackburn completed 41 hip replacements (#112 in California), 26 shoulder replacements, and 17 knee replacements in the latest annual CMS data, totaling 84 Medicare-verified procedures.

In California, Dr. Blackburn performs near the state average in hip (41 vs 41), near the state average in shoulder (26 vs 31), below the state average in knee (17 vs 47).

Dr. Blackburn performs all three major joint replacement procedures — hip, knee, and shoulder — indicating a broad scope of orthopedic practice. The largest share is hip replacements (41 cases), followed by shoulder replacements (26) and knee replacements (17).

Santa Maria is home to 3 orthopedic surgeons in the current Medicare dataset. Patients in the Santa Maria area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Medicare records for Dr. Blackburn extend back to 2013, covering 12 years of data. Over that period, recorded procedure volume increased from 56 to 84 in the most recent data, a 50% increase. This sustained growth reflects an expanding joint replacement practice.

Among 4,532 hip replacement surgeons tracked nationally, Dr. Blackburn's 41 verified procedures is near the national average of 36.

Verified Medicare Cases

Hip Replacement
41 verified cases
#112 in California
Shoulder Replacement
26 verified cases
#62 in California
Knee Replacement
17 verified cases
#389 in California
Estimated total: 230 – 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. Blackburn Compares

Procedure volume compared to the California state average.

Hip Average
41 Avg: 41
Knee Below Avg
17 Avg: 47
Shoulder Average
26 Avg: 31
Dr. Blackburn California Average

Volume Trend Analysis

Dr. Blackburn's Medicare-recorded procedure volume has trended upward over 12 years, increasing 50% from 56 procedures in 2013 to 84 in the most recent data.

Years of Data 12
2024 Volume 84
Peak Volume 90 (2016)
Trend Growing

Hospital Affiliations & Quality

H
Marian Regional Medical Center
2/5
Santa Maria, 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. Blackburn

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

Dr. Blackburn has performed 84 Medicare-verified joint replacement procedures. This is in line with the California average of 68 procedures per surgeon. Dr. Blackburn ranks #152 out of 613 orthopedic surgeons in California.

What types of joint replacement does Dr. Blackburn perform?

Dr. Blackburn performs all three major joint replacement procedures: hip replacement (41 cases), shoulder replacement (26 cases), knee replacement (17 cases). This breadth indicates a comprehensive orthopedic joint replacement practice.

Are there other orthopedic surgeons near Dr. Blackburn in Santa Maria?

Yes. There are 3 orthopedic surgeons in Santa Maria 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. Blackburn 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. Blackburn's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 84 procedures shown here.

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

Yes. Dr. Blackburn's Medicare-recorded volume has increased from 56 procedures in 2013 to 84 in the most recent data, a 50% increase over 12 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 90 procedures in 2016.

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

Yes. Dr. Blackburn's Medicare data shows procedures in hip replacement (41 cases), shoulder replacement (26 cases), knee replacement (17 cases). Performing all three major joint replacements places Dr. Blackburn among the 5% of orthopedic surgeons nationally who cover hip, knee, and shoulder arthroplasty.

Which hospitals is Dr. Blackburn affiliated with?

According to CMS facility affiliation data, Dr. Blackburn is affiliated with Marian Regional Medical Center.

How does Dr. Blackburn compare to other orthopedic surgeons in Santa Maria?

Among the 3 orthopedic surgeons in Santa Maria, Dr. Blackburn ranks #1 by total Medicare procedure volume. Dr. Blackburn has the highest verified Medicare volume in the city.

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

Marian Regional Medical Center (2 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 Santa Maria, California

Dr. Blackburn's 84 Medicare procedures are above the Santa Maria average of 49. The table below compares verified procedure volumes for orthopedic surgeons practicing in Santa Maria.

SurgeonProceduresSpecialties
Dr. Jeffrey Spoo 35 Knee
Dr. Paul Castello 27 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. Dennis Blackburn, D.O. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/ca/dr-dennis-blackburn-santa-maria.html

Link: https://orthoprocedures.com/surgeons/ca/dr-dennis-blackburn-santa-maria.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.