Dr. Zachary Weidner, M.D.

Orthopedic Surgery

Dr. Zachary Weidner is a board-certified orthopedic surgeon practicing in Manassas, Virginia. In 2023, Dr. Weidner performed 29 Medicare-verified knee replacements (#118 in Virginia) and 25 hip replacements, for a combined total of 54 procedures.

Dr. Weidner's 54 Medicare procedures are near the Virginia median of 60. The state has 223 orthopedic surgeons in the current Medicare dataset. Medicare fee-for-service data captures roughly 33–37% of all joint replacements, so total surgical volume is likely higher.

Dr. Weidner's reported Medicare volume is split between knee replacements (29 cases) and hip replacements (25 cases).

Manassas is home to 6 orthopedic surgeons in the current Medicare dataset. Patients in the Manassas area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Verified Medicare Cases (2023)

Knee Replacement
29 verified cases
#118 in Virginia
Hip Replacement
25 verified cases
#86 in Virginia
Estimated total: 150 – 160 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.

Hospital Affiliations

H
Uva Health Haymarket Medical Center
Haymarket, VA
H
Uva Health Prince William Medical Center
Manassas, VA
H
Inova Fair Oaks Hospital
Fairfax, VA

Verified Case Volume Trends (2013-2023)

Frequently Asked Questions About Dr. Weidner

How does Dr. Weidner's procedure volume compare to other Virginia surgeons?

In 2023, Dr. Weidner performed 54 Medicare-verified joint replacement procedures. The Virginia average is 83 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Weidner ranks #119 out of 223 orthopedic surgeons in Virginia.

What types of joint replacement does Dr. Weidner perform?

Dr. Weidner's Medicare data shows procedures in knee replacement (29 cases) and hip replacement (25 cases).

Are there other orthopedic surgeons near Dr. Weidner in Manassas?

Yes. There are 6 orthopedic surgeons in Manassas 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 Virginia surgeons.

What does the Medicare data for Dr. Weidner represent?

The procedure counts shown are based on Medicare Part B fee-for-service claims data for 2023, published by the Centers for Medicare and Medicaid Services (CMS). This captures approximately 33–37% of all joint replacements performed nationally. Dr. Weidner's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 54 procedures shown here.

Other Orthopedic Surgeons in Manassas, Virginia

Compare Dr. Weidner's volume with other surgeons practicing in Manassas.

SurgeonProceduresSpecialties
Dr. William Hosick 62 Hip, Knee
Dr. Aric Gardner 43 Hip, Knee
Dr. John Kim 34 Knee
Dr. Robert Dombrowski 16 Knee
Dr. Kevin Peltier 13 Shoulder

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Contact & Location

📞 Phone: 703-393-1667
8525 Rolling Rd Ste 300
Manassas, VA 20110
NPI: 1194952895
Credentials: M.D.
✅ Active Medicare provider (NPI verified)
📅 17 years of practice experience
🎓 Licensed M.D.
🏥 Licensed surgical specialist
🦴 Board-certified orthopedic surgeon
📞 Contact information available
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 33–37% of all joint replacement procedures nationwide (63% of Medicare fee-for-service). Always consult with healthcare providers to make informed decisions about your care.