KATHARINE JOO
NPI 1326380981
Psychiatry & Neurology - Psychiatry in Seattle, WA

Active since March 21, 2013PECOS Enrolled
3715 S HUDSON ST, SEATTLE, WA 98118(206) 923-9259 Get Directions Write a Review

NPPES record last updated: March 23, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Mar 23, 2026, Nov 14, 2016 (2 updates tracked since 2016).

About Katharine Joo NPPES

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

KATHARINE JOO (NPI 1326380981) is an individual psychiatry provider in Seattle, Washington, licensed in California (A149747) and active in the NPI registry since March 2013. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1326380981
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameKATHARINE JOO
Location Address3715 S HUDSON STSeattle, WA 98118-2167
Mailing Address2311 N 45th St # 320Seattle, WA 98103-6905
Sole ProprietorNo
Enumeration DateMarch 21, 2013
Last NPPES UpdateMarch 23, 20262 updates tracked since enumeration
NPPES CertifiedMarch 23, 2026
NPI 1326380981 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
Licenses Licensed in CA · A149747 Licensed in WA · MD61015483
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
3715 S HUDSON ST, Seattle, WA 98118

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Katharine Joo is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98118 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$189.37 typical visit price
range $63.67 – $189.37
Typical copayment $47.34 (range $15.91 – $47.34)
Most-billed visit code 99205
Established Patient
$78.74 typical visit price
range $21.12 – $155.00
Typical copayment $19.68 (range $5.28 – $38.75)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

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

Counselor (Mental Health)
3715 S HUDSON ST, SUITE 105
SEATTLE, WA 98118
Physical Therapist
3715 S HUDSON ST, #103
SEATTLE, WA 98118

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 Katharine Joo's NPI number?

The NPI number for Katharine Joo is 1326380981. It was assigned to this individual provider in the NPPES registry on March 21, 2013.

Where is Katharine Joo located?

Katharine Joo practices at 3715 S Hudson St, Seattle, WA 98118. The listed phone number is (206) 923-9259.

What is Katharine Joo's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Katharine Joo enrolled in Medicare?

Yes. Katharine Joo is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Katharine Joo was last updated on March 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.