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

MRS. JUDITH DAY HAMMER NP
NPI 1922098912
Nurse Practitioner - Women's Health in Seattle, WA

Active since October 21, 2005
4500 9TH AVE NE, SUITE 324, SEATTLE, WA 98105(206) 632-2498 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mrs. Judith Day Hammer Np NPPES

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

MRS. JUDITH DAY HAMMER NP (NPI 1922098912) is an individual women's health provider in Seattle, Washington, licensed in Washington (AP30001201) and active in the NPI registry since October 2005.

NPPES Registry Identity

NPI1922098912
Entity TypeIndividualFemale
Primary Taxonomy363LW0102X
Provider Legal NameMRS. JUDITH DAY HAMMERCredential: NP
Location Address4500 9TH AVE NE, SUITE 324Seattle, WA 98105-4737
Mailing Address2616 Nw 63rd StSeattle, WA 98107-2453 · (206) 789-7172
Sole ProprietorNo
Enumeration DateOctober 21, 2005
Last NPPES UpdateJuly 13, 2026
NPI 1922098912 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · Women's HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LW0102X
License Licensed in WA · AP30001201
4500 9TH AVE NE, Seattle, WA 98105

Other Identifiers 3

Medicaid8235020WA
Medicaid7119308WA
OtherHA0840Regence Blue Shield

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.

Social Worker (Clinical)
4500 9TH AVE NE, SUITE 300
SEATTLE, WA 98105
Social Worker (Clinical)
4500 9TH AVE NE
SEATTLE, WA 98105
Naturopath
4500 9TH AVE NE, SUITE 300
SEATTLE, WA 98105
Counselor (Mental Health)
4500 9TH AVE NE, SUITE 300-10
SEATTLE, WA 98105
Massage Therapist
4500 9TH AVE NE, SUITE 300
SEATTLE, WA 98105
Massage Therapist
4500 9TH AVE NE, SUITE 300
SEATTLE, WA 98105
Counselor
4500 9TH AVE NE, SUITE 300
SEATTLE, WA 98105
Acupuncturist
4500 9TH AVE NE, SUITE 300
SEATTLE, WA 98105

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 Judith Hammer's NPI number?

The NPI number for Judith Hammer is 1922098912. It was assigned to this individual provider in the NPPES registry on October 21, 2005.

Where is Judith Hammer located?

Judith Hammer practices at 4500 9th Ave NE Suite 324, Seattle, WA 98105. The listed phone number is (206) 632-2498.

What is Judith Hammer's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Women's Health, with taxonomy code 363LW0102X.

When was this NPI record last updated?

The NPPES record for Judith Hammer 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 28 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.