MS. LARISSA CHRISTINE IENNA (FNP) – Family Nurse Practitioner, NPI 1679766224
Family Nurse Practitioner
Main info
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for MS. LARISSA CHRISTINE IENNA (FNP)
520, Northwest 22nd Avenue, Northwest District, Portland, Metro, Multnomah County, Oregon, 97210, United States
PORTLAND, OR 97210
Phone: (503) 413-7557
Type: Mailing
500, North Columbia River Highway, West Saint Helens, Saint Helens, Columbia County, Oregon, 97051, United States
SAINT HELENS, OR 970511299
Phone: (503) 397-0471
Fax: (503) 366-5519
Type: Location
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: 2008-11-20
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 |
|---|---|---|---|---|
| I20081120000758 | I | Nurse Practitioner | 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 97210)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| NURSE PRACTITIONER | OR | 83036 | Hemoglobin A1C level | 199 | 73 |
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