Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Sydney Louis Cousin Jr., MD

Individual provider Hospitalist Physician · NPI 1497954176

Dr. Sydney Louis Cousin Jr., MD is an Internal Medicine in Renton, Washington. Graduated from University of Washington School of Medicine in 2006, 20 years ago. Practices with Valley Medical Group-Renton, a 422-clinician group and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
20
Trained at
University of Washington School of Medicine
Licensed in
WA
In the registry since
2007
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

400 S 43rd St Rm 3H-1-053
Renton, WA 98055-5714
Phone: (425) 228-3440
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence MD60217641 (WA)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD60217641 (WA)

Record details

NPI number1497954176
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 13, 2007
Last updated in NPPESFebruary 24, 2017

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Also practisesHOSPITALIST
Medical schoolUNIVERSITY OF WASHINGTON SCHOOL OF MEDICINE
Graduated 2006 (20 years in practice)
Group practice Valley Medical Group-Renton — 422 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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