#95 Shoulder
#148 Knee
#189 Hip

Dr. Gerardo Trinidad, M.D.

Orthopedic Surgery
55 procedures 3 hospitals Portsmouth, OH
Latest available Medicare data — updated April 2026
Knee replacement recovery kit Ice machines, mobility aids, bathroom safety — under $50 essentials
National Comparison by Procedure
Hip 12 vs 36 avg (4,526 surgeons)
Knee 32 vs 45 avg (6,720 surgeons)
Shoulder 11 vs 28 avg (2,092 surgeons)

Dr. Gerardo Trinidad is a board-certified orthopedic surgeon practicing in Portsmouth, Ohio. Dr. Trinidad has completed 32 knee replacements (#148 in Ohio), 12 hip replacements, and 11 shoulder replacements, totaling 55 Medicare-verified procedures.

In Ohio, Dr. Trinidad performs near average in knee (32 vs 40 avg), below average in hip (12 vs 31 avg), below average in shoulder (11 vs 27 avg).

Dr. Trinidad performs all three major joint replacement procedures — hip, knee, and shoulder — indicating a broad scope of orthopedic practice. The largest share is knee replacements (32 cases), followed by hip replacements (12) and shoulder replacements (11).

Portsmouth is home to 3 orthopedic surgeons in the current Medicare dataset. Patients in the Portsmouth area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs. Dr. Trinidad also maintains hospital privileges in KY and OH, indicating a regional practice that extends beyond Ohio.

Dr. Trinidad's Medicare data spans 11 years, beginning in 2013. Volume peaked at 96 procedures in 2014 before settling at 55 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.

Dr. Trinidad's 32 knee replacement procedures is below the national average of 45 among 6,720 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.

Verified Medicare Cases

Knee Replacement
32 verified cases
#148 in Ohio
Hip Replacement
12 verified cases
#189 in Ohio
Shoulder Replacement
11 verified cases
#95 in Ohio
Estimated total: 150 – 170 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. Trinidad Compares

Procedure volume compared to the Ohio state average.

Hip Below Avg
12 Avg: 31
Knee Average
32 Avg: 40
Shoulder Below Avg
11 Avg: 27
Dr. Trinidad Ohio Average

Contact & Location

1729 Kinneys Ln Ste 102
Portsmouth, OH 45662
NPI: 1487722377
Credentials: M.D.
Active Medicare provider
Find Practice on Google Maps

Volume Trend Analysis

Dr. Trinidad's recorded volume peaked at 96 procedures in 2014 and stood at 55 in the most recent data. Year-to-year variation can reflect changes in payer mix, practice scope, or Medicare billing patterns.

Years of Data 11
2023 Volume 55
Peak Volume 96 (2014)
Trend Declining

Hospital Affiliations & Quality

H
King'S Daughters' Medical Center
★★★☆☆
Ashland, KY
Similar to national avg
H
Kings Daughters Medical Center Ohio
Portsmouth, OH
Low case volume
H
Southern Ohio Medical Center
★★★★☆
Portsmouth, OH
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. Trinidad

How does Dr. Trinidad's procedure volume compare to other Ohio surgeons?

Dr. Trinidad has performed 55 Medicare-verified joint replacement procedures. This is in line with the Ohio average of 57 procedures per surgeon. Dr. Trinidad ranks #151 out of 378 orthopedic surgeons in Ohio.

What types of joint replacement does Dr. Trinidad perform?

Dr. Trinidad performs all three major joint replacement procedures: knee replacement (32 cases), hip replacement (12 cases), shoulder replacement (11 cases). This breadth indicates a comprehensive orthopedic joint replacement practice.

Are there other orthopedic surgeons near Dr. Trinidad in Portsmouth?

Yes. There are 3 orthopedic surgeons in Portsmouth 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 Ohio surgeons.

What does the Medicare data for Dr. Trinidad 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. Trinidad's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 55 procedures shown here.

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

Dr. Trinidad's Medicare-recorded volume peaked at 96 procedures in 2014 and was 55 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.

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

Yes. Dr. Trinidad's Medicare data shows procedures in knee replacement (32 cases), hip replacement (12 cases), shoulder replacement (11 cases). Performing all three major joint replacements places Dr. Trinidad among the 5% of orthopedic surgeons nationally who cover hip, knee, and shoulder arthroplasty.

Which hospitals is Dr. Trinidad affiliated with?

According to CMS facility affiliation data, Dr. Trinidad is affiliated with King'S Daughters' Medical Center, Kings Daughters Medical Center Ohio, Southern Ohio Medical Center. Dr. Trinidad maintains hospital privileges across state lines, indicating a practice that serves patients in multiple states.

How does Dr. Trinidad compare to other orthopedic surgeons in Portsmouth?

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

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

King'S Daughters' Medical Center (3 out of 5 CMS stars, hip/knee complication rate similar to national average); Kings Daughters Medical Center Ohio (insufficient case volume for complication rate comparison); Southern Ohio 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 Portsmouth, Ohio

Dr. Trinidad's 55 Medicare procedures are above the Portsmouth average of 45. The table below compares verified procedure volumes for orthopedic surgeons practicing in Portsmouth.

SurgeonProceduresSpecialties
Dr. Jared Bentley 43 Knee
Dr. Christopher Belton 38 Hip, Knee, Shoulder

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. Gerardo Trinidad, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/oh/dr-gerardo-trinidad-portsmouth.html

Link: https://orthoprocedures.com/surgeons/oh/dr-gerardo-trinidad-portsmouth.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.