ROBERT HOLWERDA (DO) – Psychiatry Physician, NPI 1205995735
Psychiatry Physician
Main info
Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for ROBERT HOLWERDA (DO)
5060 Cascade Rd SE
Suite D
Grand Rapids, MI 49546
Phone: (616) 454-2911
Fax: (616) 454-1126
Type: Location
5060, Cascade Road Southeast, Ada Township, Kent County, Michigan, 49546, United States
SUITE D
GRAND RAPIDS, MI 49546
Phone: (616) 454-2911
Fax: (616) 454-1126
Type: Mailing
790 FULLER AVE NE
GRAND RAPIDS, MI 495031918
Phone: (616) 336-3909
Fax: (616) 336-8830
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.
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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: 2003-11-12
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 |
|---|---|---|---|---|
| I20031112000025 | I | Psychiatry | MI | 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 49546)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PSYCHIATRY | MI | 90833 | Psychotherapy, 30 minutes with patient and/or family member | 26 | 15 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Occupational Therapist In Private Practice | MI | |
| Physical Therapist In Private Practice | MI | |
| Qualified Speech Language Pathologist | MI | |
| Clinical Social Worker | MI | |
| Physical Therapist In Private Practice | MI | |
| Qualified Speech Language Pathologist | MI | |
| Qualified Speech Language Pathologist | MI | |
| Occupational Therapist In Private Practice | MI | |
| Physical Therapist In Private Practice | MI | |
| - | MI |
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