Doctor profile · Federal record
Dr. Margaret Duval, LCSW
Clinical Social Worker · Wilmington, DE
- NPI 1538263157
- Accepts Medicare
- 44 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
5235 W Woodmill Dr, Suite #47
Wilmington, DE 198084068
(302) 995-1680
fax (302) 995-1790 - Mailing address
-
3 Marley RD
New Castle, DE 197203215
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- December 29, 2010
- Year of graduation
- 1982 — 44 yrs since
- Specialty taxonomy
- 1041C0700X — NUCC code
- State license (1)
- Delaware #Q1-0000264
- Medicaid (2)
- DE #1000030346 · DE #1000033057
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1538263157. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
336
Distinct HCPCS
2
Medicare allowed
$30,708
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90837 |
Psychotherapy, 1 hour | 254 | 17 | $100 | |
90834 |
Psychotherapy, 45 minutes | 82 | 13 | $66 |
In context: peer comparison
Among 13 peers in this city , average services per provider: 145. This provider delivers 2.3× the peer median.Frequently asked questions
What is Dr. Margaret Duval's medical specialty?
Dr. Margaret Duval practices Clinical Social Worker in Wilmington, DE.
Where does Dr. Margaret Duval practice?
Dr. Margaret Duval practices at 5235 W Woodmill Dr, Wilmington, DE 198084068. Office phone: 3029951680.
What is Dr. Margaret Duval's NPI?
Dr. Margaret Duval's National Provider Identifier (NPI) is 1538263157, issued by NPPES.
Does Dr. Margaret Duval accept Medicare assignment?
Yes. Dr. Margaret Duval accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Margaret Duval commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837); Psychotherapy (HCPCS 90834). Source: CMS Medicare Physician & Other Practitioners file.