KAREN ANN VANDERHOFF (PHD) – Psychologist, NPI 1245434208
Psychologist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,216 CLINICAL PSYCHOLOGIST in MI
Provider Addresses for KAREN ANN VANDERHOFF (PHD)
2301 1ST AVE E
NEWTON, IA 502084202
Phone: (641) 381-5706
Type: Mailing
550 3 MILE RD NW
GRAND RAPIDS, MI 495448207
Phone: (616) 222-3720
Type: Location
Pine Rest Christian Mental Health Services, 300, 68th Street Southeast, Grand Rapids, Gaines Township, Kent County, Michigan, 49501, United States
GRAND RAPIDS, MI 495486927
Phone: (616) 455-5000
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: 2009-07-22
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 |
|---|---|---|---|---|
| I20090722000662 | I | Clinical Psychologist | 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.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 90837 | Psychotherapy, 1 hour | 52 | 12 | $0 |
Insurance plans in this area (ZIP 50208)
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