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

Individual provider Internal Medicine Physician · NPI 1962512996

Kathleen Ann Hughes, MD is an Internal Medicine in Marysville, Washington. Graduated from Medical College of Wisconsin in 1996, 30 years ago. Practices with Optum Care Washington PLLC, a 685-clinician group and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
30
Trained at
Medical College of Wisconsin
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

4420 76th St NE
Marysville, WA 98270-3726
Phone: (360) 651-7497
Fax: (360) 651-7479
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD00036550 (WA)

Record details

NPI number1962512996
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 31, 2006
Last updated in NPPESJune 17, 2026
Certification dateJune 17, 2026

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolMEDICAL COLLEGE OF WISCONSIN
Graduated 1996 (30 years in practice)
Group practice Optum Care Washington Pllc — 685 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations10 on file with Medicare

Other providers in Marysville