Doctor profile · Federal record

Dr. Sydney Cousin, MD

Hospitalist Physician (CMS: Internal Medicine) · Internal Medicine Physician · Renton, WA

  • NPI 1497954176
  • Accepts Medicare
  • 20 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
400 S 43Rd St, Rm 3H-1-053
Renton, WA 980555714
(425) 228-3440
Mailing address
Po Box 34876
Seattle, WA 981241876

Credentials & registration

NPPES · NUCC
NPI registered
July 2007 — 19 yrs on file
Profile last updated
February 24, 2017
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
Washington #MD60217641
Medicaid
WA #2012615

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1497954176. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
245
Distinct HCPCS
2
Medicare allowed
$46,264
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 207 203 $183
99291 Critical care, first 30-74 minutes 38 38 $221

In context: peer comparison

Among 18 peers in Renton Hospitalist Physician, average services per provider: 123. This provider delivers 2.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Sydney Cousin's medical specialty?
Dr. Sydney Cousin practices Hospitalist Physician in Renton, WA.
Where does Dr. Sydney Cousin practice?
Dr. Sydney Cousin practices at 400 S 43Rd St, Renton, WA 980555714. Office phone: 4252283440.
What is Dr. Sydney Cousin's NPI?
Dr. Sydney Cousin's National Provider Identifier (NPI) is 1497954176, issued by NPPES.
Does Dr. Sydney Cousin accept Medicare assignment?
Yes. Dr. Sydney Cousin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sydney Cousin commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.