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

Dr. Allen Sy, MD

Individual provider Internal Medicine Physician · NPI 1033615380

Dr. Allen Sy, MD is a Hospitalist in Renton, Washington. Graduated from University of Washington School of Medicine in 2018, 8 years ago. Practices with Valley Medical Group-Renton, a 422-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
8
Trained at
University of Washington School of Medicine
Licensed in
WA
In the registry since
2018
Specialties on file
3
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
Renton, WA 98055-5714
Phone: (425) 228-3440
Fax: (425) 656-4214
Show map & directions

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

Additional practice locations (2)

  • 4245 Roosevelt Way Ne, Seattle, WA 98105 — (206) 598-8750
  • 1959 Ne Pacific St, Seattle, WA 98195-0001 — (206) 543-3605

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence MD61087376 (WA)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD61087376 (WA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1033615380
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 4, 2018
Last updated in NPPESAugust 30, 2021
Certification dateAugust 30, 2021
Mailing address3600 Lind Ave Sw, Suite 100 Attn Credentialing, Renton, WA 98057-4970

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF WASHINGTON SCHOOL OF MEDICINE
Graduated 2018 (8 years in practice)
Group practice Valley Medical Group-Renton — 422 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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