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

Dr. Gregory Maddox, MD

Individual provider Family Medicine Physician · NPI 1114212347

Dr. Gregory Maddox, MD is a Family Practice in Seattle, Washington. Graduated from Js Weill Medical College, Cornell University in 2011, 15 years ago. Practices with Overlake Medical Clinics LLC, a 426-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Washington.

Years since qualifying
15
Trained at
Js Weill Medical College, Cornell University
Licensed in
WA
In the registry since
2011
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

550 16th Ave Ste 400
Seattle, WA 98122-5699
Phone: (206) 324-8484
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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 ML60224904 (WA)

Record details

NPI number1114212347
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 15, 2011
Last updated in NPPESJune 15, 2011

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolJS WEILL MEDICAL COLLEGE, CORNELL UNIVERSITY
Graduated 2011 (15 years in practice)
Group practice Overlake Medical Clinics Llc — 426 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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