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

Gia L Hemmen, MD

Individual provider Adult Medicine Physician · NPI 1205858123

Gia L Hemmen, MD is a Family Practice in Redmond, Washington. Graduated from University of Washington School of Medicine in 1995, 31 years ago. Practices with Swedish Health Services, a 384-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Washington.

Years since qualifying
31
Trained at
University of Washington School of Medicine
Licensed in
WA
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

18100 NE Union Hill Rd Ste 200
Redmond, WA 98052-3330
Phone: (206) 320-5190
Fax: (206) 320-5191
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence MD00035217 (WA)
Adult Medicine Physician Taxonomy 207QA0505X · Licence MD00035217 (WA)

Record details

NPI number1205858123
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 24, 2006
Last updated in NPPESFebruary 24, 2026
Certification dateFebruary 24, 2026

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolUNIVERSITY OF WASHINGTON SCHOOL OF MEDICINE
Graduated 1995 (31 years in practice)
Group practice Swedish Health Services — 384 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services