Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

CYNTHIA ANN DOWNS A.R.N.P.
NPI 1689615072
Nurse Practitioner in Seattle, WA

Q: What is Cynthia Downs's NPI number?

The NPI number for Cynthia Downs is 1689615072. It was assigned to this individual provider in the NPPES registry on June 9, 2006.

Q: What is Cynthia Downs's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Q: When was this NPI record last updated?

The NPPES record for Cynthia Downs was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 40 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 09, 2006

1550 N 115TH ST, E170, SEATTLE, WA 98133(206) 368-1244(206) 368-1270 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About Cynthia Ann Downs A.r.n.p. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CYNTHIA ANN DOWNS A.R.N.P. (NPI 1689615072) is an individual nurse practitioner in Seattle, Washington, licensed in Washington (AP30001778) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1689615072

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameCYNTHIA ANN DOWNSCredential: A.R.N.P.

Location Address1550 N 115TH ST, E170Seattle, WA 98133-8401

Mailing Address18820 Aurora Ave N, Suite 104bShoreline, WA 98133-3900 · (206) 542-7118 · Fax (206) 542-7338

Phone(206) 368-1244

Fax(206) 368-1270

Sole ProprietorNo

Enumeration DateJune 9, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1689615072 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in WA · AP30001778

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

1550 N 115TH ST, Seattle, WA 98133

Open in Google Maps ↗

Other Identifiers 2

Medicaid9622762WA

Other0142812WA · L&i

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. MARIA ANN CORCORRAN MD

Internal Medicine