TATIANA SADAK (ARNP) – Psychiatric/Mental Health Nurse Practitioner, NPI 1235466517
Psychiatric/Mental Health Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
6,261 NURSE PRACTITIONER in WA
Provider Addresses for TATIANA SADAK (ARNP)
7110 191ST PL SW
LYNNWOOD, WA 980365069
Phone: (206) 459-1158
Fax: (888) 296-8140
Type: Location
110, James Street, Edmonds, Snohomish County, Washington, 98020, United States
STE 104
EDMONDS, WA 980208430
Phone: (206) 459-1158
Fax: (888) 296-8140
Type: Location
7110, 191st Place Southwest, Lynnwood, Snohomish County, Washington, 98036, United States
LYNNWOOD, WA 980365069
Phone: (206) 459-1158
Fax: (888) 296-8140
Type: Mailing
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: 2010-04-30
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
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20100430000071 | I | Nurse Practitioner | WA | TBD |
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.
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.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 90838 | Psychotherapy with evaluation and management visit, 1 hour | 44 | 11 | $0 |
Insurance plans in this area (ZIP 98036)
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