Heather Sebastian, ARNP
Psychiatric/Mental Health Nurse Practitioner · Spokane, WA
Heather Sebastian, ARNP is a psychiatric/mental health nurse practitioner with a practice address in Spokane, Washington, and NPI 1780420034, issued on Jul 6, 2024. Check the license (Washington AP61577915, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Heather Sebastian
- Credential
- ARNP
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- AP61577915 WA
Self-reported in NPPES; status is on the state search - Practice location
- 100 N Howard St # 6982, Spokane, WA 99201
- Phone
- (206) 590-5053
- Enumerated
- Jul 6, 2024
- Record last updated
- Aug 4, 2025
- Fax
- (206) 231-0144
- Medicare enrollment
- Enrolled (PECOS I20240925001684); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 1,875 in Washington → Look up another NPI →
Verify Heather Sebastian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license AP61577915Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
315 Medicare Part D claims for 39 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Duloxetine Hcl22 claims
- Aripiprazole15 claims
- Quetiapine Fumarate14 claims
- Clonazepam13 claims
- Lamotrigine12 claims
- Fluoxetine Hcl11 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.
Bills Medicare through one group practice
- Jefferson Community Counseling CenterPort Townsend, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Heather Sebastian among 1,875 psychiatric/mental health nurse practitioner records in Washington
Heather Sebastian, 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 2024, is newer than 86% of them.
- NPI issued2024 · 86% of these records are older, 8% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 48% of these records are
- Graduated2024 · median 2020 among the 904 with a school on file
- Record last updated2025 · 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).
154 psychiatric/mental health nurse practitioner records list a practice address in Spokane
They are 154 of the 14,049 NPPES records with a practice address in Spokane, and 1,875 psychiatric/mental health nurse practitioner records in Washington.
All 1,875 in Washington → Every provider in Spokane → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Lorraine Bennett, APRN/ARNP, PMHNP-BCSpokane, WA 992011205274412
- Jenny Brady, DNP, FNP-C, PMHNP-BCSpokane, WA 992011225453699
- Joan Chase, ARNP, CSSpokane, WA 992011114071271
- Leslie Fifer, ARNPSpokane, WA 992011366430977
- Merry Fougere, ARNPSpokane, WA 992011780670117
- Samantha LowderbackSpokane, WA 992011225033418
- Michael Lynch, PMHNP-BCSpokane, WA 992011861815037
- Randi Obrien, ARNPSpokane, WA 992011457346108
Common questions
What is Heather Sebastian, ARNP's NPI number?
Heather Sebastian, ARNP's National Provider Identifier (NPI) is 1780420034, issued on Jul 6, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Heather Sebastian, ARNP located?
The NPPES record lists a practice address at 100 N Howard St # 6982, Spokane, WA, 99201. Phone: (206) 590-5053. Providers update this record themselves, so call before visiting.
How can I verify Heather Sebastian, ARNP's license?
NPPES lists Washington license number AP61577915, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Heather Sebastian, ARNP prescribe under Medicare Part D?
In 2024, Heather Sebastian, ARNP had 315 Medicare Part D claims for 39 beneficiaries; 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.