DR. THOMAS JR. HORN (D.O.) – Psychiatry Physician, NPI 1841516598
Psychiatry Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
821 PSYCHIATRY in MO
Provider Addresses for DR. THOMAS JR. HORN (D.O.)
1400 US Highway 61 Ste 150B
Festus, MO 630284100
Phone: (636) 543-2237
Type: Location
1400 US Highway 61 Ste 150A
Festus, MO 630284100
Phone: (636) 543-2230
Type: Location
1032 CROSSWINDS CT
WENTZVILLE, MO 633854836
Phone: (636) 332-6000
Fax: (636) 639-1395
Type: Mailing
1176 TOWN AND COUNTRY COMMONS DR
CHESTERFIELD, MO 630178200
Phone: (314) 251-2870
Fax: (314) 251-2871
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 16 Open Payments records for all available years, with a total value of $390.
Total Amount is formed as General ($390) + Research ($0) + Ownership ($0) = $390.
Last reported payment date: 2023-08-04 • Largest payer in this snapshot: ABBVIE INC. ($170).
Total Amount
$390
General + Research + Ownership
Payments
16
Total payment records
General Amount
$390
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-08-04
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $170 |
| ITI, Inc. | $108 |
| Supernus Pharmaceuticals, Inc. | $24 |
| Takeda Pharmaceuticals U.S.A., Inc. | $21 |
| Alkermes, Inc. | $19 |
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: 2014-07-22
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Past revalidation due date
Earliest CMS due date was 2023-07-31 (1045 days ago).
Enrollment records
1
Earliest due date
2023-07-31
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 |
|---|---|---|---|---|
| I20140722002256 | I | Psychiatry | MO | 2023-07-31 |
What to do next
- Verify current status on the CMS Revalidation Lookup Tool immediately.
- Complete revalidation in PECOS or contact your Medicare Administrative Contractor (MAC).
- Overdue revalidation can lead to deactivation of Medicare billing privileges.
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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 199 | 69 | $0 |
| 90833 | Psychotherapy with evaluation and management visit, 30 minutes | 72 | 28 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 25 | 16 | $0 |
| 90792 | Psychiatric diagnostic evaluation with medical services | 13 | 13 | $0 |
Insurance plans in this area (ZIP 63028)
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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 | 24 | 24 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | MO | |
| Nurse Practitioner | MO | |
| Nurse Practitioner | MO | |
| P S Y C H I A T R Y | MO | |
| P S Y C H I A T R Y | MO | |
| Nurse Practitioner | MO | |
| Nurse Practitioner | MO | |
| - | MO | |
| P S Y C H I A T R Y | MO | |
| Clinical Social Worker | MO |
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