DR. CHARLES RAYMOND WALKER (PH.D.) – Clinical Neuropsychologist, NPI 1609068071
Clinical Neuropsychologist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,347 CLINICAL PSYCHOLOGIST in TX
Provider Addresses for DR. CHARLES RAYMOND WALKER (PH.D.)
11937 US Highway 271
Tyler, TX 757083154
Phone: (903) 877-7777
Type: Location
PO BOX 6605
TYLER, TX 757116605
Phone: (903) 592-6000
Fax: (903) 592-3224
Type: Mailing
2737, South Broadway Avenue, Tyler, Smith County, Texas, 75701, United States
TYLER, TX 75701
Phone: (903) 592-6000
Fax: (903) 592-3224
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: 2012-07-03
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 |
|---|---|---|---|---|
| I20120703000296 | I | Clinical Psychologist | TX | 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 | 171 | 85 | $0 |
| 90791 | Psychiatric diagnostic evaluation | 87 | 87 | $0 |
| 96136 | Administration of psychological or neuropsychological test, first 30 minutes | 87 | 87 | $0 |
| 96130 | Evaluation of psychological test, first hour | 79 | 79 | $0 |
Insurance plans in this area (ZIP 75708)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | OR | |
| Anesthesiology, Pain Management | TX | |
| - | TX | |
| Nurse Practitioner | TX | |
| Nurse Practitioner | TX | |
| N E U R O S U R G E R Y | TX | |
| Physical Medicine And Rehabilitation | TX | |
| Anesthesiology, Pain Management | TX | |
| Physician Assistant | TX | |
| Pain Management, Anesthesiology | TX |
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