Doctor profile · Federal record
Dr. Valerie Duff, LCSW
Clinical Social Worker · Mount Vernon, IL
- NPI 1457725459
- Accepts Medicare
- 23 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1 Good Samaritan Way
Mount Vernon, IL 628642402
(618) 899-4518
Credentials & registration
- NPI registered
- November 2015 — 11 yrs on file
- Year of graduation
- 2003 — 23 yrs since
- Specialty taxonomy
- 1041C0700X — NUCC code
- State license (1)
- Illinois #149.016670
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1457725459. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
656
Distinct HCPCS
3
Medicare allowed
$60,321
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90837 |
Psychotherapy, 1 hour | 328 | 27 | $108 | |
90834 |
Psychotherapy, 45 minutes | 317 | 22 | $74 | |
90791 |
Psychiatric diagnostic evaluation | 11 | 11 | $129 |
In context: peer comparison
Among 2 peers in Mount Vernon Clinical Social Worker, average services per provider: 230. This provider delivers 2.9× the peer median.Frequently asked questions
What is Dr. Valerie Duff's medical specialty?
Dr. Valerie Duff practices Clinical Social Worker in Mount Vernon, IL.
Where does Dr. Valerie Duff practice?
Dr. Valerie Duff practices at 1 Good Samaritan Way, Mount Vernon, IL 628642402. Office phone: 6188994518.
What is Dr. Valerie Duff's NPI?
Dr. Valerie Duff's National Provider Identifier (NPI) is 1457725459, issued by NPPES.
Does Dr. Valerie Duff accept Medicare assignment?
Yes. Dr. Valerie Duff accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Valerie Duff commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837); Psychotherapy (HCPCS 90834); Psychiatric diagnostic evaluation (HCPCS 90791). Source: CMS Medicare Physician & Other Practitioners file.