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

MS. Mei Kuen Erica To, ARNP

Individual provider Family Nurse Practitioner · NPI 1114507506

MS. Mei Kuen Erica To, ARNP is a Nurse Practitioner in Seattle, Washington. Qualified in 2021, 5 years ago. Practices with The Oncology Institute Ca, a Professional Corporation, a 114-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Washington.

Years since qualifying
5
Licensed in
WA
In the registry since
2021
Specialties on file
2
What do these letters mean?
ARNP — Advanced Registered Nurse Practitioner
The title some states use for an advanced practice nurse.

See every abbreviation used in this directory →

Practice location Address checks out

825 Eastlake Ave E
Seattle, WA 98109-4405
Phone: (206) 520-5000
Show map & directions

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

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence AP61178758 (WA)
Nurse Practitioner Taxonomy 363L00000X · Licence RN60633366 (WA)

Record details

NPI number1114507506
Entity typeIndividual (Type 1)
GenderFemale
Credentials ARNP
Sole proprietorNo
NPI enumeratedApril 10, 2021
Last updated in NPPESFebruary 4, 2026
Certification dateFebruary 4, 2026

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2021 (5 years in practice)
Group practice The Oncology Institute Ca, A Professional Corporation — 114 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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