Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

CYNTHIA M KELLER MD
NPI 1609868538
Pediatrics in Redmond, WA

Q: What is Cynthia Keller's NPI number?

The NPI number for Cynthia Keller is 1609868538. It was assigned to this individual provider in the NPPES registry on August 17, 2005.

Q: What is Cynthia Keller's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Q: Is Cynthia Keller enrolled in Medicare?

No. Cynthia Keller has opted out of Medicare through December 23, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

Q: When was this NPI record last updated?

The NPPES record for Cynthia Keller was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since August 17, 2005Opted out of Medicare · through Dec 23, 2027

8301 161ST AVE NE, #204, REDMOND, WA 98052(425) 881-5437(425) 881-8746 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Cynthia M Keller Md NPPES

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

CYNTHIA M KELLER MD (NPI 1609868538) is an individual pediatrics provider in Redmond, Washington, licensed in Washington (MD00040426) and active in the NPI registry since August 2005. She has opted out of Medicare through December 23, 2027.

NPPES Registry Identity

NPI1609868538

Entity TypeIndividualFemale

Primary Taxonomy208000000X

Provider Legal NameCYNTHIA M KELLERCredential: MD

Location Address8301 161ST AVE NE, #204Redmond, WA 98052-3858

Mailing Address8301 161st Ave Ne, #204Redmond, WA 98052-3858 · (425) 881-5437 · Fax (425) 881-8746

Phone(425) 881-5437

Fax(425) 881-8746

Sole ProprietorNo

Enumeration DateAugust 17, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1609868538 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in WA · MD00040426

Definition

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

8301 161ST AVE NE, Redmond, WA 98052

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Cynthia M Keller Md has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from December 23, 2021 through December 23, 2027.

Opt-Out Effective DateDecember 23, 2021

Opt-Out In Effect ThroughDecember 23, 2027Opt-out affidavits renew automatically every two years unless cancelled

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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.

PUBLIC HOSPITAL DISTRICT NO 2

Family Medicine

8301 161ST AVE NE, SUITE 105
REDMOND, WA 98052

King County (425) 883-3333

EVERGREEN HEARING CLINIC INC

Audiologist

8301 161ST AVE NE, #203
REDMOND, WA 98052

King County (425) 882-4347

EVERGREEN CARDIOLOGY CARE CENTER

Specialist

8301 161ST AVE NE, SUITE 302
REDMOND, WA 98052

King County (800) 243-5854

JULIE M HORACE CARLSON

Speech-Language Pathologist

8301 161ST AVE NE, #203
REDMOND, WA 98052

King County (425) 882-4347

MICHELE DOROTHEA DUSCHE MHCA.MC.70004602;MFT

Counselor (Mental Health)

8301 161ST AVE NE
REDMOND, WA 98052

King County (650) 508-7311

MARRAN PHYSICAL THERAPY, LLC

Physical Therapist

8301 161ST AVE NE, SUITE #103
REDMOND, WA 98052

King County (425) 284-1767

DR ALAN NOHR & ASSOCIATES

Dentist (General Practice)

8301 161ST AVE NE, #303
REDMOND, WA 98052

King County (425) 869-2252

MARCIA HOUDEK JIMENEZ, PH.D.

Psychologist (Clinical)

8301 161ST AVE NE, STE 300
REDMOND, WA 98052

King County (425) 885-3330

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Cynthia Keller's NPI number?

The NPI number for Cynthia Keller is 1609868538. It was assigned to this individual provider in the NPPES registry on August 17, 2005.

Where is Cynthia Keller located?

Cynthia Keller practices at 8301 161st Ave NE #204, Redmond, WA 98052. The listed phone number is (425) 881-5437.

What is Cynthia Keller's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Cynthia Keller enrolled in Medicare?

No. Cynthia Keller has opted out of Medicare through December 23, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

What insurance does Cynthia Keller accept?

Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Cynthia Keller as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Cynthia Keller was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.