Dr. Andrew MacK, M.D.

Orthopedic Surgery

Dr. Andrew MacK is a board-certified orthopedic surgeon practicing in Bethesda, Maryland. In 2023, Dr. MacK performed 20 Medicare-verified hip replacements (#65 in Maryland) and 12 knee replacements, for a combined total of 32 procedures.

Dr. MacK recorded 32 Medicare fee-for-service procedures in 2023. Medicare data represents approximately one-third of all joint replacements nationwide, so these counts reflect only a portion of a surgeon's full practice. Maryland has 161 orthopedic surgeons in the current dataset.

Dr. MacK's reported Medicare volume is split between hip replacements (20 cases) and knee replacements (12 cases).

Bethesda is home to 9 orthopedic surgeons in the current Medicare dataset. Patients in the Bethesda area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Verified Medicare Cases (2023)

Hip Replacement
20 verified cases
#65 in Maryland
Knee Replacement
12 verified cases
#129 in Maryland
Estimated total: 90 – 100 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
Sisters Of Charity Hospital
Buffalo, NY
H
Kenmore Mercy Hospital
Kenmore, NY

Verified Case Volume Trends (2013-2023)

Frequently Asked Questions About Dr. MacK

How does Dr. MacK's procedure volume compare to other Maryland surgeons?

In 2023, Dr. MacK performed 32 Medicare-verified joint replacement procedures. The Maryland average is 72 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. MacK ranks #111 out of 161 orthopedic surgeons in Maryland.

What types of joint replacement does Dr. MacK perform?

Dr. MacK's Medicare data shows procedures in hip replacement (20 cases) and knee replacement (12 cases).

Are there other orthopedic surgeons near Dr. MacK in Bethesda?

Yes. There are 9 orthopedic surgeons in Bethesda 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 Maryland surgeons.

What does the Medicare data for Dr. MacK 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. MacK's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 32 procedures shown here.

Other Orthopedic Surgeons in Bethesda, Maryland

Compare Dr. MacK's volume with other surgeons practicing in Bethesda.

SurgeonProceduresSpecialties
Dr. Christopher Cannova 361 Hip, Knee
Dr. Sridhar Durbhakula 215 Hip, Knee
Dr. Kurt Schluntz 58 Knee
Dr. Min Lu 47 Hip, Knee
Dr. Carey Politzer 41 Hip, Knee
Dr. Timothy Bhattacharyya 38 Hip

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Contact & Location

📞 Phone: 301-295-4290
8901 Wisconsin Ave
Bethesda, MD 20889
NPI: 1063517175
Credentials: M.D.
✅ Active Medicare provider (NPI verified)
📅 20 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.