NPPES file of Aug 9, 2026

Saidee M. Whitehorn, ARNP

Psychiatric/Mental Health Nurse Practitioner · Seattle, WA

Saidee M. Whitehorn, ARNP is a psychiatric/mental health nurse practitioner with a practice address in Seattle, Washington, and NPI 1114085164, issued on Dec 4, 2006. Check the license (Washington AP30003777, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1114085164
Name
Saidee M. Whitehorn
Credential
ARNP
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License number
AP30003777 WA
Self-reported in NPPES; status is on the state search
Practice location
6534 4TH Ave NE, Seattle, WA 98115
Phone
(206) 783-6505
Enumerated
Dec 4, 2006
Record last updated
Jun 25, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(253) 382-2091
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 6534 4TH Ave NE

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Richard Justin, LICSWClinical Social Worker1831257732
  2. Dianne Pratt, ARNPAdult Psychiatric/Mental Health Registered Nurse1457372518
  3. Sarah Sweeny, RN,ARNPPsychiatric/Mental Health Nurse Practitioner1902171937

Verify Saidee M. Whitehorn in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Washington board licenses this profession
    Search for license AP30003777
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Washington license search

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95% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

47 Medicare Part D claims, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Saidee Whitehorn47
  2. Specialty average906

Most prescribed

  1. Lamotrigine13 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Saidee M. Whitehorn among 1,875 psychiatric/mental health nurse practitioner records in Washington

Saidee M. Whitehorn, ARNP is one of 1,875 psychiatric/mental health nurse practitioner records with a practice address in Washington. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 90% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 48% of these records are
  • Record last updated2010 · 28% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatric/Mental Health Nurse Practitioner providers in Washington

There are 1,875 psychiatric/mental health nurse practitioner records in Washington.

The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes

  1. Cassandra CastroSeattle, WA 981151720640428
  2. Alka Christnacht, DNP, PMHNP-BCSeattle, WA 981151952879298
  3. Tamra Dillon, NPSeattle, WA 981151497378657
  4. Gemy George, DNPSeattle, WA 981151144619099
  5. Brandi Harris, PMHNPSeattle, WA 981151073267472
  6. B. Shelly Morgan, ARNP, PSYDSeattle, WA 981151407909054
  7. Christina Pike, ARNPSeattle, WA 981151215214390
  8. Nina Ramsey, ARNPSeattle, WA 981151457454878

Common questions

What is Saidee M. Whitehorn, ARNP's NPI number?

Saidee M. Whitehorn, ARNP's National Provider Identifier (NPI) is 1114085164, issued on Dec 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Saidee M. Whitehorn, ARNP located?

The NPPES record lists a practice address at 6534 4TH Ave NE, Seattle, WA, 98115. Phone: (206) 783-6505. Providers update this record themselves, so call before visiting.

How can I verify Saidee M. Whitehorn, ARNP's license?

NPPES lists Washington license number AP30003777, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

How much does Saidee M. Whitehorn, ARNP prescribe under Medicare Part D?

In 2024, Saidee M. Whitehorn, ARNP had 47 Medicare Part D claims; the average among psychiatric/mental health nurse practitioner prescribers was 906. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.