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

Individual provider Family Medicine Physician · NPI 1295732113

Sonja Maddox, MD is a Family Practice in Renton, Washington. Graduated from University of Washington School of Medicine in 1999, 27 years ago. Practices with Pacmed Clinics, a 212-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Washington.

Years since qualifying
27
Trained at
University of Washington School of Medicine
Licensed in
WA
In the registry since
2005
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

601 S Carr Rd Ste 100
Renton, WA 98055-5866
Phone: (425) 227-3700
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence MD00040495 (WA)

Record details

NPI number1295732113
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 7, 2005
Last updated in NPPESJune 16, 2021
Certification dateJune 16, 2021
Mailing address601 S Carr Rd, Suite 100, Renton, WA 98055-5866

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 1999 (27 years in practice)
Group practice Pacmed Clinics — 212 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations4 on file with Medicare

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