#29 Shoulder
#70 Knee
#132 Hip

Dr. John Yap, MD

Orthopedic Surgery
71 procedures 1 hospital Lapeer, MI
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 13 vs 36 avg (4,526 surgeons)
Knee 36 vs 45 avg (6,720 surgeons)
Shoulder 22 vs 28 avg (2,092 surgeons)

Dr. John Yap is a board-certified orthopedic surgeon practicing in Lapeer, Michigan. A Medicare provider since 2005, Dr. Yap has completed 36 knee replacements (#70 in Michigan), 22 shoulder replacements, and 13 hip replacements, totaling 71 Medicare-verified procedures.

In Michigan, Dr. Yap performs near average in knee (36 vs 33 avg), near average in shoulder (22 vs 27 avg), below average in hip (13 vs 29 avg).

Dr. Yap performs all three major joint replacement procedures — hip, knee, and shoulder — indicating a broad scope of orthopedic practice. The largest share is knee replacements (36 cases), followed by shoulder replacements (22) and hip replacements (13).

Beyond general orthopedic surgery, Dr. Yap holds additional credentials in Sports Medicine, reflecting subspecialty training that may benefit patients with complex joint conditions.

Lapeer is home to 2 orthopedic surgeons in the current Medicare dataset. Patients in the Lapeer area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Dr. Yap's Medicare record spans 11 years from 2013 through 2023. Procedure volume has remained consistent during that period, ranging from 48 to 106 procedures per year, reflecting a steady joint replacement practice.

Among 6,720 knee replacement surgeons tracked nationally, Dr. Yap's 36 verified procedures is near the national average of 45.

Verified Medicare Cases

Knee Replacement
36 verified cases
#70 in Michigan
Shoulder Replacement
22 verified cases
#29 in Michigan
Hip Replacement
13 verified cases
#132 in Michigan
Estimated total: 190 – 220 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. Yap Compares

Procedure volume compared to the Michigan state average.

Hip Below Avg
13 Avg: 29
Knee Average
36 Avg: 33
Shoulder Average
22 Avg: 27
Dr. Yap Michigan Average

Contact & Location

Phone: 810-667-6110
307 S Court St
Lapeer, MI 48446
NPI: 1164404356
Credentials: MD
Active Medicare provider (NPI verified)
21 years of practice experience
Licensed MD
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps

Volume Trend Analysis

Dr. Yap's procedure volume has been consistent across 11 years of Medicare data, ranging from 48 to 106 procedures per year. This stability suggests a well-established joint replacement practice.

Years of Data 11
2023 Volume 71
Peak Volume 106 (2016)
Trend Stable

Hospital Affiliations & Quality

H
Mclaren Lapeer Region
★★☆☆☆
Lapeer, MI
Low case volume

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. Yap

How does Dr. Yap's procedure volume compare to other Michigan surgeons?

Dr. Yap has performed 71 Medicare-verified joint replacement procedures. This is in line with the Michigan average of 48 procedures per surgeon. Dr. Yap ranks #50 out of 272 orthopedic surgeons in Michigan.

What types of joint replacement does Dr. Yap perform?

Dr. Yap performs all three major joint replacement procedures: knee replacement (36 cases), shoulder replacement (22 cases), hip replacement (13 cases). This breadth indicates a comprehensive orthopedic joint replacement practice.

Are there other orthopedic surgeons near Dr. Yap in Lapeer?

Yes. There are 2 orthopedic surgeons in Lapeer 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 Michigan surgeons.

What does the Medicare data for Dr. Yap 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. Yap's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 71 procedures shown here.

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

Dr. Yap's procedure volume has been relatively stable over 11 years of Medicare data, ranging from 48 to 106 procedures per year between 2013 and 2023. Consistent volume over multiple years reflects a steady joint replacement practice.

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

Yes. Dr. Yap's Medicare data shows procedures in knee replacement (36 cases), shoulder replacement (22 cases), hip replacement (13 cases). Performing all three major joint replacements places Dr. Yap among the 5% of orthopedic surgeons nationally who cover hip, knee, and shoulder arthroplasty.

Which hospitals is Dr. Yap affiliated with?

According to CMS facility affiliation data, Dr. Yap is affiliated with Mclaren Lapeer Region.

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

Mclaren Lapeer Region (2 out of 5 CMS stars, insufficient case volume for complication rate comparison). These are hospital-level quality metrics from CMS Hospital Compare and do not reflect individual surgeon outcomes.

Other Orthopedic Surgeons in Lapeer, Michigan

Dr. Yap's 71 Medicare procedures are above the Lapeer average of 42. The table below compares verified procedure volumes for orthopedic surgeons practicing in Lapeer.

SurgeonProceduresSpecialties
Dr. Gordon McClimans 13 Knee

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. John Yap, MD -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/mi/dr-john-yap-lapeer.html

Link: https://orthoprocedures.com/surgeons/mi/dr-john-yap-lapeer.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.