CHRISTOPHER DERIX (PSYD) – Clinical Psychologist, NPI 1689998221
Clinical Psychologist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
449 CLINICAL PSYCHOLOGIST in MO
Provider Addresses for CHRISTOPHER DERIX (PSYD)
553 Highfield Dr
Saint Charles, MO 633047143
Phone: (515) 207-5226
Type: Location
1200 LAKE SAINT LOUIS BLVD # 301
LAKE ST LOUIS, MO 633671325
Phone: (515) 207-5226
Type: Mailing
3408 WOODLAND AVE
WEST DES MOINES, IA 502666506
Phone: (515) 207-5226
Type: Location
3408 WOODLAND AVE STE 102
WEST DES MOINES, IA 502666504
Phone: (515) 207-5226
Type: Mailing
4142, Keaton Crossing Boulevard, O’Fallon, Saint Charles County, Missouri, 63368, United States
STE 101
O FALLON, MO 633688406
Phone: (573) 364-7551
Type: Mailing
Pershing Avenue, Ardmore, Winston-Salem, Forsyth County, North Carolina, 27103, United States
SALEM, MO 655601845
Phone: (573) 729-6222
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: 2025-10-15
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20121204000520 | I | Clinical Psychologist | MO | TBD |
| I20251015000929 | 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 | 186 | 14 | $0 |
Insurance plans in this area (ZIP 63304)
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