Public Medicare data rankings · District of Columbia

Top 25 Hip Replacement Surgeons in District of Columbia

887 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.

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19 surgeons
1

Gautam Siram, M.D.

Chevy Chase, MD
Also practices here via Sibley Memorial Hospital
Hip Replacement: 126 verified Medicare cases
2
Also practices here via Sibley Memorial Hospital
Hip Replacement: 121 verified Medicare cases
3

James Melvin, M.D.

Chevy Chase, MD
Also practices here via Sibley Memorial Hospital
Hip Replacement: 87 verified Medicare cases
4

Anthony Unger

Washington, DC
Hip Replacement: 74 verified Medicare cases
5

Kenneth Vaz

Washington, DC
Hip Replacement: 59 verified Medicare cases
6

Savyasachi Thakkar

Washington, DC
Hip Replacement: 59 verified Medicare cases
7

Carey Politzer, M.D.

Bethesda, MD
Also practices here via Sibley Memorial Hospital
Hip Replacement: 54 verified Medicare cases
8

Min Lu, M.D.

Bethesda, MD
Also practices here via Sibley Memorial Hospital
Hip Replacement: 43 verified Medicare cases
9

Sandesh Rao

Washington, DC
Hip Replacement: 40 verified Medicare cases
10

Afamefuna Nduaguba

Washington, DC
Hip Replacement: 31 verified Medicare cases
11

Matthew Harb

Washington, DC
Hip Replacement: 28 verified Medicare cases
12
Also practices here via Medstar Georgetown University Hospital
Hip Replacement: 28 verified Medicare cases
13

Kevin Park

Washington, DC
Hip Replacement: 26 verified Medicare cases
14

Ahamefula Onyike

Washington, DC
Hip Replacement: 24 verified Medicare cases
15

Ryan Scully, M.D.

Chevy Chase, MD
Also practices here via Sibley Memorial Hospital
Hip Replacement: 23 verified Medicare cases
16

Brian Evans

Washington, DC
Hip Replacement: 18 verified Medicare cases
17

Robert Sterling

Washington, DC
Hip Replacement: 16 verified Medicare cases
18

Angela Tomaschko, M.D.

Oakland Park, FL
Also practices here via Medstar Washington Hospital Center
Hip Replacement: 16 verified Medicare cases
19

Nirav Patel, M.D.

Bethesda, MD
Also practices here via Sibley Memorial Hospital
Hip Replacement: 14 verified Medicare cases

Important Disclaimer

Rankings are based solely on Medicare hip replacement procedure volume and do not reflect quality of care, patient outcomes, or procedures covered by private insurance. This data covers approximately 25% to 33% of all hip replacement procedures performed nationwide in 2024 (how this share is derived). Always consult with healthcare providers to make informed decisions about your care.