Tatiana Sadak, ARNP
Psychiatric/Mental Health Nurse Practitioner · Lynnwood, WA
Tatiana Sadak, ARNP is a psychiatric/mental health nurse practitioner with a practice address in Lynnwood, Washington, and NPI 1235466517, issued on Nov 7, 2009. Check the license (Washington AP60122579, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Tatiana Sadak
- Credential
- ARNP
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- AP60122579 WA
Self-reported in NPPES; status is on the state search - Practice location
- 7110 191St PL SW, Lynnwood, WA 98036
- Phone
- (206) 459-1158
- Enumerated
- Nov 7, 2009
- Record last updated
- Feb 2, 2026
- Fax
- (888) 296-8140
- Medicare enrollment
- Enrolled (PECOS I20100430000071); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 1,875 in Washington → Look up another NPI →
Verify Tatiana Sadak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license AP60122579Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
59 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.
Most prescribed
- Fluoxetine Hcl12 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.
Tatiana Sadak among 1,875 psychiatric/mental health nurse practitioner records in Washington
Tatiana Sadak, 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 2009, is newer than 16% of them.
- NPI issued2009 · 16% of these records are older, 82% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 48% of these records are
- Graduated2008 · median 2020 among the 904 with a school on file
- Record last updated2026 · 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.
All 1,875 in Washington → Every provider in Lynnwood → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Rebecca Araya, ARNPLynnwood, WA 980361407454309
- Leif Benjestorf, ARNPLynnwood, WA 980361619109774
- Marlene Bergman, DNP, ARNP, PMHNP-BCLynnwood, WA 980361750611109
- Andrew Dzikowski, ND, L.AC, ARNPLynnwood, WA 980361104496132
- Sisay FaynatoLynnwood, WA 980361679303564
- Erika Giraldo, PMHNP, DNPLynnwood, WA 980361649573973
- Bridgette Jeffries, PMHNP-BCLynnwood, WA 980361740753854
- Erin Kessler, ARNPLynnwood, WA 980361770889289
Common questions
What is Tatiana Sadak, ARNP's NPI number?
Tatiana Sadak, ARNP's National Provider Identifier (NPI) is 1235466517, issued on Nov 7, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Tatiana Sadak, ARNP located?
The NPPES record lists a practice address at 7110 191St PL SW, Lynnwood, WA, 98036. Phone: (206) 459-1158. Providers update this record themselves, so call before visiting.
How can I verify Tatiana Sadak, ARNP's license?
NPPES lists Washington license number AP60122579, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Tatiana Sadak, ARNP prescribe under Medicare Part D?
In 2024, Tatiana Sadak, ARNP had 59 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.