Dr. Alexander MacFarlane, M.D.

Orthopedic Surgery

17 procedures3 hospitalsWilliamsville, NYUpdated May 2026

Contact & Location

716-204-1101
Phone: 716-204-1101
Practice phone listed in the NPI registry
192 Park Club Ln Ste 100
Williamsville, NY 14221
Current practice address per the CMS NPPES registry (self-reported to the registry, last updated October 2025). Registry checked August 2026.
NPI: 1861055774
Credentials: M.D.
Active Medicare provider (NPI verified)
7 years of practice experience
Licensed M.D.
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps
National Comparison by Procedure
Shoulder 17 vs 29 national avg 0.6x
avg

Compared with 2,217 shoulder surgeons in the 2024 Medicare dataset.

Dr. MacFarlane performs more shoulder replacement procedures than 36% of orthopedic surgeons in New York, based on 2024 Medicare claims volume.Derived from the state ranking shown on this page: #46 of 73 ranked shoulder surgeons in New York.

About Dr. MacFarlane

Practice. Dr. Alexander MacFarlane is a board-certified orthopedic surgeon practicing in Williamsville, New York. The latest annual CMS data records 17 shoulder replacements. That is #46 in New York for shoulder replacement. A Medicare provider since 2019.

Trend. Dr. MacFarlane first appears in the Medicare data in 2024. With 1 year on record, the trend is still short.

National context. Among 2,217 shoulder replacement surgeons tracked nationally, 17 procedures is below the national average of 29. Medicare covers part of all joint replacements, so true volume is likely higher.

Local context. Williamsville has 6 orthopedic surgeons in the current Medicare data. Comparing volume and procedure mix across them is one way to narrow a shortlist. Dr. MacFarlane also holds hospital privileges in NY and FL, a practice that extends beyond New York.

Verified Medicare Cases

Shoulder Replacement
17 verified cases
#46 in New York
Estimated 2024 total: 50 – 60 procedures (all insurers)
Medicare fee-for-service share of national volume in 2024: 29% to 37% for shoulder replacement
How is this estimated?

Medicare Part B fee-for-service claims are one payer stream among several, and the share they represent differs by procedure. In 2024 it was 29% to 37% for shoulder replacement. Each verified count above is divided by its own procedure's range, and the results are added, to estimate total practice volume across all payers. The verified Medicare count is the definitive, audited figure; this is a range derived from published national volume projections, not a measurement, and an individual practice can sit well outside it: how these ranges are derived, and their sources.

How Dr. MacFarlane Compares

Procedure volume compared to the New York state average.

Shoulder Below Avg
17 Avg: 29
Dr. MacFarlane New York Average

Hospital Affiliations & Quality

H
Mercy Hospital Of Buffalo
2/5
Buffalo, NY
Low case volume
H
Sisters Of Charity Hospital
3/5
Buffalo, NY
Low case volume
H
Adventhealth Carrollwood
3/5
Tampa, FL
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 Shoulder Replacement

If you are considering shoulder replacement surgery, these evidence-based guides can help you prepare and recover:

Shoulder Replacement Recovery Overview

Recovery timelines vary by patient, but here is a general overview of what to expect after shoulder replacement surgery:

Week 1-3 Arm in a sling for protection. Gentle pendulum exercises under therapist guidance. Focus on pain management and wound care.
Week 4-6 Gradual sling weaning. Begin passive and active-assisted range-of-motion exercises. Light daily activities resume.
Week 7-12 Active range-of-motion exercises. Light strengthening begins. Most patients can drive and perform desk work.
Month 4-6 Progressive strengthening continues. Return to most activities. Full recovery may take 6-12 months for complete shoulder strength.

Individual recovery varies based on overall health, age, and adherence to physical therapy. View full shoulder replacement recovery guide and product recommendations

Frequently Asked Questions About Dr. MacFarlane

How does Dr. MacFarlane's procedure volume compare to other New York surgeons?

Dr. MacFarlane has performed 17 Medicare-verified joint replacement procedures. The New York average is 69 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. MacFarlane ranks #284 out of 334 orthopedic surgeons in New York.

What types of joint replacement does Dr. MacFarlane perform?

Dr. MacFarlane's reported Medicare volume is focused on shoulder replacement, with 17 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.

Are there other orthopedic surgeons near Dr. MacFarlane in Williamsville?

Yes. There are 6 orthopedic surgeons in Williamsville 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 New York surgeons.

What does the Medicare data for Dr. MacFarlane represent?

The procedure counts shown are based on 2024 Medicare Part B fee-for-service claims data, published by the Centers for Medicare and Medicaid Services (CMS). Medicare fee-for-service is only one payer stream, and the share of national volume it represents differs by procedure. In 2024 the share was 29% to 37% for shoulder replacement, which puts Dr. MacFarlane's total volume across all insurers at roughly 50 to 60 procedures against the 17 verified here. Those shares are derived from published national volume projections rather than quoted from a single publication, and they are estimates with real uncertainty. The OrthoProcedures methodology page shows the full derivation, the sources, and the limits at orthoprocedures.com/data-methodology.html.

Which hospitals is Dr. MacFarlane affiliated with?

According to CMS facility affiliation data, Dr. MacFarlane is affiliated with Mercy Hospital Of Buffalo, Sisters Of Charity Hospital, Adventhealth Carrollwood. Dr. MacFarlane maintains hospital privileges across state lines, indicating a practice that serves patients in multiple states.

How does Dr. MacFarlane compare to other orthopedic surgeons in Williamsville?

Among the 6 orthopedic surgeons in Williamsville, Dr. MacFarlane ranks #4 by total Medicare procedure volume. The highest-volume surgeon in Williamsville has 24 verified Medicare procedures.

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

Mercy Hospital Of Buffalo (2 out of 5 CMS stars, insufficient case volume for complication rate comparison); Sisters Of Charity Hospital (3 out of 5 CMS stars, insufficient case volume for complication rate comparison); Adventhealth Carrollwood (3 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 Williamsville, New York

Dr. MacFarlane's 17 Medicare procedures are at the Williamsville average of 17. The table below compares verified procedure volumes for orthopedic surgeons practicing in Williamsville.

SurgeonProceduresSpecialties
Dr. Matthew Cavagnaro 24 Knee
Dr. Keith Stube 19 Knee
Dr. Michael Parentis 19 Knee
Dr. Paul Lapoint 13 Knee
Dr. Paul Mason 12 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. Alexander MacFarlane, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/ny/dr-alexander-macfarlane-williamsville.html

Link: https://orthoprocedures.com/surgeons/ny/dr-alexander-macfarlane-williamsville.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.