Public Medicare data rankings · Connecticut

Top 25 Knee Replacement Surgeons in Connecticut

1,500 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
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25 surgeons
1

Cynthia Kahlenberg

New York, NY
Also practices here via Stamford Hospital
Knee Replacement: 110 verified Medicare cases
2

Matthew Grosso

Hartford, CT
Knee Replacement: 82 verified Medicare cases
3

John McCallum

Hamden, CT
Knee Replacement: 81 verified Medicare cases
4

Richard Thoms

Niantic, CT
Knee Replacement: 79 verified Medicare cases
5

Sreevathsa Boraiah

Stamford, CT
Knee Replacement: 73 verified Medicare cases
6

Jeffrey Burns

Hartford, CT
Knee Replacement: 72 verified Medicare cases
7

Robert Kennon

Middlebury, CT
Knee Replacement: 70 verified Medicare cases
8

Daniel Markowicz, M.D.

New York, NY
Also practices here via Stamford Hospital
Knee Replacement: 68 verified Medicare cases
9

Sanjay Gupta

Brookfield, CT
Knee Replacement: 64 verified Medicare cases
10

Stephen Nelson

Hamden, CT
Knee Replacement: 59 verified Medicare cases
11

Daniel Witmer

Farmington, CT
Knee Replacement: 59 verified Medicare cases
12

John Mullen

New Milford, CT
Knee Replacement: 59 verified Medicare cases
13

Amit Lahav

Orange, CT
Knee Replacement: 58 verified Medicare cases
14

Scott Stanat

North Franklin, CT
Knee Replacement: 55 verified Medicare cases
15

Robert Carangelo

Plainville, CT
Knee Replacement: 52 verified Medicare cases
16

Christopher Lynch

Branford, CT
Knee Replacement: 50 verified Medicare cases
17

Brian Kavanagh

Greenwich, CT
Knee Replacement: 49 verified Medicare cases
18

Paul Murray

Hartford, CT
Knee Replacement: 48 verified Medicare cases
19

Michael Lynch

Norwalk, CT
Knee Replacement: 48 verified Medicare cases
20

John Dunleavy

Danbury, CT
Knee Replacement: 47 verified Medicare cases
21

John Irving

Hamden, CT
Knee Replacement: 46 verified Medicare cases
22

Mark Shekhman

Hartford, CT
Knee Replacement: 45 verified Medicare cases
23

Durgesh Nagarkatti

Hartford, CT
Knee Replacement: 44 verified Medicare cases
24

Amy Wasterlain

Middletown, CT
Knee Replacement: 43 verified Medicare cases
25

Kevin Choo

Greenwich, CT
Knee Replacement: 39 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.