Public Medicare data rankings · District of Columbia

Top 25 Knee Replacement Surgeons in District of Columbia

906 verified Medicare cases Updated May 2026

Rankings reflect Medicare procedure volume, one factor among many. Volume does not measure quality of care.

How to read these rankings

Medicare data is the "tip of the iceberg." A surgeon with 100+ Medicare cases likely performs 300–400+ total surgeries a year. High numbers guarantee experience; low numbers may simply indicate a surgeon sees younger, privately insured patients.

Knee Replacement anatomy illustration
Knee replacement recovery kit Ice machines, mobility aids, bathroom safety, all under $50
22 surgeons
1

Brett Levine, MD, MS

Chicago, IL
Also practices here via Medstar Georgetown University Hospital
Knee Replacement: 90 verified Medicare cases
2

Gautam Siram, M.D.

Chevy Chase, MD
Also practices here via Sibley Memorial Hospital
Knee Replacement: 80 verified Medicare cases
3

Marc Connell, M.D.

Chevy Chase, MD
Also practices here via Sibley Memorial Hospital
Knee Replacement: 70 verified Medicare cases
4

Savyasachi Thakkar

Washington, DC
Knee Replacement: 67 verified Medicare cases
5

James Melvin, MD

Chevy Chase, MD
Also practices here via Sibley Memorial Hospital
Knee Replacement: 66 verified Medicare cases
6

Matthew Harb

Washington, DC
Knee Replacement: 55 verified Medicare cases
7

Anthony Unger

Washington, DC
Knee Replacement: 49 verified Medicare cases
8

Carey Politzer, MD

Bethesda, MD
Also practices here via Sibley Memorial Hospital
Knee Replacement: 47 verified Medicare cases
9

John Klimkiewicz

Chevy Chase, MD
Also practices here via Sibley Memorial Hospital
Knee Replacement: 43 verified Medicare cases
10

Ahamefula Onyike

Washington, DC
Knee Replacement: 42 verified Medicare cases
11

Kevin Park

Washington, DC
Knee Replacement: 38 verified Medicare cases
12

Afamefuna Nduaguba

Washington, DC
Knee Replacement: 37 verified Medicare cases
13

Ryan Scully, MD

Chevy Chase, MD
Also practices here via Sibley Memorial Hospital
Knee Replacement: 35 verified Medicare cases
14

Kenneth Vaz

Washington, DC
Knee Replacement: 33 verified Medicare cases
15

Min Lu, MD

Bethesda, MD
Also practices here via Sibley Memorial Hospital
Knee Replacement: 32 verified Medicare cases
16

Sandesh Rao

Washington, DC
Knee Replacement: 21 verified Medicare cases
17

Robert Sterling

Washington, DC
Knee Replacement: 21 verified Medicare cases
18

Brian Evans

Washington, DC
Knee Replacement: 20 verified Medicare cases
19

Marc Rankin

Washington, DC
Knee Replacement: 18 verified Medicare cases
20

Nirav Patel, MD

Bethesda, MD
Also practices here via Sibley Memorial Hospital
Knee Replacement: 17 verified Medicare cases
21

Evan Argintar

Washington, DC
Knee Replacement: 14 verified Medicare cases
22

Craig Faulks

Washington, DC
Knee Replacement: 11 verified Medicare cases

Important Disclaimer

Rankings are based solely on Medicare knee replacement 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 knee replacement procedures performed. Always consult with healthcare providers to make informed decisions about your care.