Sydney Louis Cousin, MD
Hospitalist Physician · Renton, WA
Sydney Louis Cousin, MD is a hospitalist physician with a practice address in Renton, Washington, and NPI 1497954176, issued on Jul 13, 2007. Check the license (Washington MD60217641, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Sydney Louis Cousin
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- MD60217641 WA
Self-reported in NPPES; status is on the state search - Practice location
- 400 S 43RD St, Renton, WA 98055
- Phone
- (425) 228-3440
- Enumerated
- Jul 13, 2007
- Record last updated
- Feb 24, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicaid ID
- 2012615 WA
- Medicare enrollment
- Enrolled (PECOS I20110524000148); accepts Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 2006
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 793 in Washington → Look up another NPI →
Also registered at 400 S 43RD St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jesse Abbott Klafter, M.D.Hospitalist Physician1225394935
- Sujata Acharya, PTPhysical Therapist1972737310
- Meghna Agarwal, MDHospitalist Physician1649859182
- Makeda Agonafer, M.D.Neurology Physician1215371935
- Jenny Alden, SLPSpeech-Language Pathologist1659691186
- Anjella Ysabel Alejo, PTPhysical Therapist1477378115
Verify Sydney Louis Cousin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD60217641Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Valley Medical Group-RentonCovington, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sydney Louis Cousin among 793 hospitalist physician records in Washington
Sydney Louis Cousin, MD is one of 793 hospitalist physician records with a practice address in Washington. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 19% of them.
- NPI issued2007 · 19% of these records are older, 71% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated2006 · median 2011 among the 649 with a school on file
- Record last updated2017 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
42 hospitalist physician records list a practice address in Renton
They are 42 of the 3,147 NPPES records with a practice address in Renton, and 793 hospitalist physician records in Washington.
All 793 in Washington → Every provider in Renton → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Nazir Balouch, MDRenton, WA 980551942454061
- Shahina Banthanavasi, MDRenton, WA 980551790700607
- Fatime Goda, MDRenton, WA 980551548335060
- Ayesha Haq, MDRenton, WA 980551508931056
- Jiyun Kim, MDRenton, WA 980551326202078
- Lisa Leung, M.D.Renton, WA 980551649431917
- Brian Levy, M.D.Renton, WA 980551043272925
- Sujatha Manthini, M.DRenton, WA 980551811131832
Common questions
What is Sydney Louis Cousin, MD's NPI number?
Sydney Louis Cousin, MD's National Provider Identifier (NPI) is 1497954176, issued on Jul 13, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Sydney Louis Cousin, MD located?
The NPPES record lists a practice address at 400 S 43RD St, Renton, WA, 98055. Phone: (425) 228-3440. Providers update this record themselves, so call before visiting.
How can I verify Sydney Louis Cousin, MD's license?
NPPES lists Washington license number MD60217641, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.