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

Dr. Stephen O Sills

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1538502844

Dr. Stephen O Sills is an Anesthesiology in Kirkland, Washington. Graduated from University of Mississippi School of Medicine in 2013, 13 years ago. Practices with Matrix Anesthesia, Ps, a 87-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
13
Trained at
University of Mississippi School of Medicine
Licensed in
WA
In the registry since
2013
Specialties on file
2
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Practice location Address checks out

12040 NE 128th St
Kirkland, WA 98034-3013
Phone: (425) 899-1000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 925 Seneca St, Seattle, WA 98101-2742 — (206) 583-6079
  • 925 Seneca St, Seattle, WA 98101-2742 — (206) 583-6079

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence MD60747544 (WA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1538502844
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedApril 17, 2013
Last updated in NPPESMarch 17, 2018
Mailing address12040 Ne 128th St, Kirkland, WA 98034-3013

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolUNIVERSITY OF MISSISSIPPI SCHOOL OF MEDICINE
Graduated 2013 (13 years in practice)
Group practice Matrix Anesthesia, Ps — 87 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Kirkland