Doctor profile · Federal record

Dr. Kin Tsoi, M.D.

Pain Medicine (Physical Medicine & Rehabilitation) Physician · Internal Medicine Physician · Pain Medicine Physician · Physical Medicine & Rehabilitation Physician · Interventional Pain Medicine Physician · Greenwich, CT

  • NPI 1528117199
  • 19 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1165 King St
Greenwich, CT 068312935
(917) 603-2993
Mailing address
24 Byfield Ln
Greenwich, CT 068303446

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
April 18, 2017
Specialty taxonomy
2081P2900X — NUCC code
State license (1)
New York #244996

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1528117199. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,875
Distinct HCPCS
3
Medicare allowed
$252,023
HCPCS Description Services Patients Avg allowed
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 1,032 420 $108
99306 Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 625 598 $195
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 218 149 $85

In context: peer comparison

Among 1 peers in this city , average services per provider: 625. This provider delivers 3.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
14
Patients
0
Total drug cost
$249
Drug Type Claims Patients Total cost
Clonazepam Generic 14 0 $249

Frequently asked questions

Auto-generated from federal data
What is Dr. Kin Tsoi's medical specialty?
Dr. Kin Tsoi practices Pain Medicine (Physical Medicine & Rehabilitation) Physician in Greenwich, CT.
Where does Dr. Kin Tsoi practice?
Dr. Kin Tsoi practices at 1165 King St, Greenwich, CT 068312935. Office phone: 9176032993.
What is Dr. Kin Tsoi's NPI?
Dr. Kin Tsoi's National Provider Identifier (NPI) is 1528117199, issued by NPPES.
What procedures does Dr. Kin Tsoi commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Initial nursing facility care with high level of medical decision making (HCPCS 99306); Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308). Source: CMS Medicare Physician & Other Practitioners file.