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

Jill A Summerfield, MD

Individual provider Internal Medicine Physician · NPI 1912082256

Jill A Summerfield, MD is an Internal Medicine in Seattle, Washington. Graduated from University of Washington School of Medicine in 1985, 41 years ago. Practices with Swedish Health Services, a 384-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
41
Trained at
University of Washington School of Medicine
Licensed in
WA
In the registry since
2006
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

3400 California Ave SW Ste 300
Seattle, WA 98116
Phone: (206) 320-3399
Fax: (206) 320-5506
Show map & directions

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

Additional practice locations (1)

  • 4744 41st Ave Sw Ste 102, Seattle, WA 98116-4566 — (206) 320-8120

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD00023955 (WA)

Record details

NPI number1912082256
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 26, 2006
Last updated in NPPESNovember 11, 2021
Certification dateNovember 11, 2021
Mailing addressPo Box 34472, Seattle, WA 98124-1472

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF WASHINGTON SCHOOL OF MEDICINE
Graduated 1985 (41 years in practice)
Group practice Swedish Health Services — 384 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

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