Saskia E. Vonmichalofski, ARNP
Psychiatric/Mental Health Nurse Practitioner · Issaquah, WA
Saskia E. Vonmichalofski, ARNP is a psychiatric/mental health nurse practitioner with a practice address in Issaquah, Washington, and NPI 1467624049, issued on Mar 24, 2008. Check the license (Washington AP60003268, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Saskia E. Vonmichalofski
- Credential
- ARNP
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- AP60003268 WA
Self-reported in NPPES; status is on the state search - Practice location
- 5837 221St PL SE, Issaquah, WA 98027
- Phone
- (425) 391-0887
- Enumerated
- Mar 24, 2008
- Record last updated
- Jul 16, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (425) 391-7014
- Medicare enrollment
- Enrolled (PECOS I20080421000244); 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 →
Also registered at 5837 221St PL SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Donovan Bigelow, M.A.Mental Health Counselor1730420977
- Veronica Diaz, LMHCAMental Health Counselor1578019691
- Thomas Field, PHDMental Health Counselor1326457508
- Sarah Hanson, LICENSED PSYCHOLOGISPsychologist1386803211
- Elizabeth Irwin, PHDClinical Psychologist1821260159
- Kevin Klar, LMHCMental Health Counselor1710461280
Verify Saskia E. Vonmichalofski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license AP60003268Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
215 Medicare Part D claims for 16 beneficiaries, 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
- Olanzapine27 claims
- Lamotrigine23 claims
- Fluoxetine Hcl19 claims
- Trazodone Hcl18 claims
- Escitalopram Oxalate14 claims
- Benztropine Mesylate12 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
- Western Psychological And Counseling Services LLCIssaquah, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Saskia E. Vonmichalofski among 1,875 psychiatric/mental health nurse practitioner records in Washington
Saskia E. Vonmichalofski, 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 2008, is newer than 15% of them.
- NPI issued2008 · 15% of these records are older, 84% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 48% of these records are
- Graduated2007 · median 2020 among the 904 with a school on file
- Record last updated2015 · 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 Issaquah → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Jennie Brown, DNP, ARNPIssaquah, WA 980271427458660
- Amanpreet Cheema, ARNPIssaquah, WA 980271912546920
- Ugonna Ejindu, PMHNP-BCIssaquah, WA 980271508697392
- Ann Griffin, DNP ARNPIssaquah, WA 980271962047811
- Leigh Barry Harvard, RN, BSNIssaquah, WA 980271447036280
- Kristy Mitchell, ARNPIssaquah, WA 980271477239911
- Jennifer Morris, APRN, PMHNP-BCIssaquah, WA 980271164206132
- Donald Rasmussen, ARNPIssaquah, WA 980271417000118
Common questions
What is Saskia E. Vonmichalofski, ARNP's NPI number?
Saskia E. Vonmichalofski, ARNP's National Provider Identifier (NPI) is 1467624049, issued on Mar 24, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Saskia E. Vonmichalofski, ARNP located?
The NPPES record lists a practice address at 5837 221St PL SE, Issaquah, WA, 98027. Phone: (425) 391-0887. Providers update this record themselves, so call before visiting.
How can I verify Saskia E. Vonmichalofski, ARNP's license?
NPPES lists Washington license number AP60003268, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Saskia E. Vonmichalofski, ARNP prescribe under Medicare Part D?
In 2024, Saskia E. Vonmichalofski, ARNP had 215 Medicare Part D claims for 16 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.