DR. CLAUDIA T. VIAMONTES (M.D., PH.D) – Psychiatry Physician, NPI 1336269216
Psychiatry Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for DR. CLAUDIA T. VIAMONTES (M.D., PH.D)
2120 MADISON AVE
SUITE 404
GRANITE CITY, IL 62040
Phone: (618) 876-7515
Fax: (618) 876-7596
Type: Mailing
522 N. NEW BALLAS
SUITE 332
ST. LOUIS, MO 63141
Phone: (314) 989-0542
Fax: (618) 876-7596
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.
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: 2010-10-21
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 |
|---|---|---|---|---|
| I20101021000499 | I | Psychiatry | MO | 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 62040)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PSYCHIATRY | MO | 90792 | Psychiatric diagnostic evaluation with medical services | 11 | 11 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Clinical Social Worker | VA | |
| Mental Health Counselor | MO | |
| Clinical Social Worker | IL | |
| Clinical Social Worker | MO | |
| Clinical Social Worker | MO | |
| Mental Health Counselor | MO | |
| Nurse Practitioner | MO | |
| Clinical Social Worker | MO | |
| Clinical Social Worker | MO | |
| - | MO |
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