MRS. ABBY IRENE KOLTHOFF (ARNP) – Psychiatric/Mental Health Nurse Practitioner, NPI 1184056822
Psychiatric/Mental Health Nurse Practitioner
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
3,529 NURSE PRACTITIONER in IA
Provider Addresses for MRS. ABBY IRENE KOLTHOFF (ARNP)
3251 W 9TH ST
WATERLOO, IA 507025310
Phone: (319) 234-2893
Fax: (319) 234-0354
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 497 Open Payments records for all available years, with a total value of $4,400.
Total Amount is formed as General ($4,400) + Research ($0) + Ownership ($0) = $4,400.
Last reported payment date: 2024-12-19 • Largest payer in this snapshot: Alkermes, Inc. ($688).
Total Amount
$4,400
General + Research + Ownership
Payments
497
Total payment records
General Amount
$4,400
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Alkermes, Inc. | $688 |
| Janssen Pharmaceuticals, Inc | $628 |
| Neurocrine BioSciences Inc. | $465 |
| ITI, Inc. | $403 |
| ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) | $309 |
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: 2023-05-03
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 |
|---|---|---|---|---|
| I20230503001497 | I | Nurse Practitioner | IA | 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 50702)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Clinical Social Worker | IA | |
| - | IA | |
| - | IA | |
| Nurse Practitioner | MT | |
| Nurse Practitioner | IA | |
| Nurse Practitioner | IA | |
| Nurse Practitioner | IA | |
| P S Y C H I A T R Y | NC | |
| Clinical Social Worker | IA | |
| - | IA |
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