DR. WILLOW NICOLE NAIMARK (MD) – Psychiatry Physician, NPI 1457556367
Psychiatry Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
454 PSYCHIATRY in OR
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Provider Addresses for DR. WILLOW NICOLE NAIMARK (MD)
4663, Southwest Cullen Boulevard, Vermont Hills, Hayhurst, Portland, Metro, Multnomah County, Oregon, 97221, United States
PORTLAND, OR 972212965
Phone:
Type: Mailing
Richard T. Jones Hall, 3181, Southwest Sam Jackson Park Road, Marquam Hill, Homestead, Portland, Metro, Multnomah County, Oregon, 97239, United States
OREGON HEALTH AND SCIENCES UNIVERSITY, UHN-80
PORTLAND, OR 972393011
Phone: (503) 494-8311
Fax: (503) 494-6152
Type: Location
2400 SW VERMONT ST
PORTLAND, OR 972191940
Phone: (503) 452-0915
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: 2024-11-13
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 |
|---|---|---|---|---|
| I20241113001807 | I | Psychiatry | OR | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 97221)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | OR | |
| Internal Medicine | OR | |
| Internal Medicine | OR | |
| - | OR | |
| Internal Medicine | OR | |
| - | OR | |
| Internal Medicine | OR | |
| Physical Medicine And Rehabilitation | WA | |
| Physical Therapist In Private Practice | NY | |
| - | OR |
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