PATRICIA DIANNE LARSEN (A.R.N.P.) – Psychiatric/Mental Health Nurse Practitioner, NPI 1669581823

PATRICIA DIANNE LARSEN (A.R.N.P.) is a healthcare provider. based in Seattle, Washington. specializing in Psychiatric/Mental Health Nurse Practitioner. They hold the professional credentials A.R.N.P.. They hold a License No. AP30005504 (WA). The NPI Number for PATRICIA DIANNE LARSEN (A.R.N.P.) is 1669581823

Main info

Female
27 Years Of Experience
Accepts Medicare Assignment
Name
PATRICIA DIANNE LARSEN (A.R.N.P.)
NPI
1669581823
Phone
(206) 302-2200
Address
1600 E OLIVE ST
Enumeration Date
30 August 2006
Last Update Date
27 January 2017

Doctor Profile

Medical School Name
OTHER
Secondary Phone
2063022200
Graduation Year
1999 (27 years ago)
PAC ID
2961569348
Group Practice PAC ID
1759282197
Professional Enrollment ID
I20090330000602
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

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Provider Addresses for PATRICIA DIANNE LARSEN (A.R.N.P.)

  • 1600, East Olive Street, Capitol Hill, Seattle, King County, Washington, 98122, United States

    SOUND MENTAL HEALTH

    SEATTLE, WA 981222735

    Phone: (206) 302-2200

    Fax: (206) 302-2210

    Type: Mailing

  • 6100, Southcenter Boulevard, Tukwila, King County, Washington, 98188, United States

    SOUND MENTAL HEALTH

    TUKWILA, WA 981882735

    Phone: (206) 444-7800

    Fax: (206) 444-7900

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2009-03-30

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20090330000602INurse PractitionerWATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 98122)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 1759282197View full group profile
NameSpecialtyState
Physician AssistantWA
-WA
Nurse PractitionerWA
Nurse PractitionerWA
Physician AssistantWA
P S Y C H I A T R YWA
Mental Health CounselorWA
-WA
Mental Health CounselorWA
Clinical Social WorkerWA

Reviews

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Frequently asked questions

What is PATRICIA DIANNE LARSEN (A.R.N.P.)'s NPI number?
PATRICIA DIANNE LARSEN (A.R.N.P.)'s NPI is 1669581823 — the number used across U.S. healthcare to identify this provider.
Is there an active status for PATRICIA DIANNE LARSEN (A.R.N.P.)?
For scheduling context, PATRICIA DIANNE LARSEN (A.R.N.P.) is shown as active in the registry.
How would a patient describe PATRICIA DIANNE LARSEN (A.R.N.P.)'s focus?
For PATRICIA DIANNE LARSEN (A.R.N.P.), the primary taxonomy reads as Psychiatric/Mental Health Nurse Practitioner. Clinical services aligned with this taxonomy classification.
Where in Washington is PATRICIA DIANNE LARSEN (A.R.N.P.) registered?
Use Seattle, Washington as the headline location for PATRICIA DIANNE LARSEN (A.R.N.P.) here.
When was this NPI issued?
Enumeration for PATRICIA DIANNE LARSEN (A.R.N.P.) is noted as August 30, 2006 where the registry provides it.

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