DR. GARY BRENT LUDWIG (PH.D) – Psychologist, NPI 1528078987
Psychologist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,600 CLINICAL PSYCHOLOGIST in IL
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Provider Addresses for DR. GARY BRENT LUDWIG (PH.D)
2100, 52nd Avenue, Moline, Rock Island County, Illinois, 61265, United States
MOLINE, IL 612656366
Phone: (309) 797-2900
Fax: (309) 797-2147
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)
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: 2004-05-26
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 |
|---|---|---|---|---|
| I20040526001407 | I | Clinical Psychologist | IL | 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 |
|---|---|---|---|---|
| 96137 | Administration of psychological or neuropsychological test, each additional 30 minutes | 128 | 23 | $0 |
| 90837 | Psychotherapy, 1 hour | 77 | 15 | $0 |
| 90791 | Psychiatric diagnostic evaluation | 34 | 34 | $0 |
| 96136 | Administration of psychological or neuropsychological test, first 30 minutes | 29 | 23 | $0 |
| 96132 | Evaluation of neuropsychological test, first hour | 26 | 22 | $0 |
Insurance plans in this area (ZIP 61265)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Mental Health Counselor | IL | |
| Mental Health Counselor | IA | |
| - | IL | |
| Mental Health Counselor | IL | |
| Clinical Social Worker | IL | |
| Mental Health Counselor | IL | |
| - | IL | |
| Mental Health Counselor | IL | |
| Clinical Social Worker | IL | |
| Mental Health Counselor | IL |
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