MR. MARK THOMAS SCHILLINGER (L.C.S.W.) – Clinical Social Worker, NPI 1447634746
Clinical Social Worker
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,245 CLINICAL SOCIAL WORKER in MO
Provider Addresses for MR. MARK THOMAS SCHILLINGER (L.C.S.W.)
1034 S Brentwood Blvd Ste 555
Richmond Heights, MO 631171265
Phone: (314) 648-8189
Fax: (314) 673-1189
Type: Location
4 NOTRE DAME CT
O FALLON, MO 633661782
Phone: (636) 226-6602
Type: Mailing
330 N GORE AVE
SAINT LOUIS, MO 631191600
Phone: (314) 968-2060
Type: Location
308 W I ST
SWANSEA, IL 622264334
Phone: (636) 226-6602
Type: Mailing
230 S BEMISTON AVE STE 1006
CLAYTON, MO 631051907
Phone: (314) 925-2634
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: 2021-09-14
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 |
|---|---|---|---|---|
| I20210914003473 | I | Clinical Social Worker | 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 63117)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Clinical Social Worker | MO | |
| Clinical Social Worker | MO | |
| Mental Health Counselor | MO | |
| Mental Health Counselor | MO | |
| Mental Health Counselor | MO | |
| Mental Health Counselor | MO | |
| Mental Health Counselor | MO | |
| Mental Health Counselor | MO | |
| Mental Health Counselor | MO |
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