Doctor profile · Federal record
Dr. Diane Necastro, LCSW, LLC
Clinical Social Worker · Wilmington, DE
- NPI 1255430393
- Accepts Medicare
- 40 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1500 Shallcross Ave Ste 2
Wilmington, DE 198063037
(302) 379-8959 - Additional location
-
1213 Delaware Ave
Wilmington, DE 19806
(302) 652-3948
fax (302) 652-8297 - Mailing address
-
7 Yorkridge Trl
Hockessin, DE 197079633
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- November 24, 2020
- Year of graduation
- 1986 — 40 yrs since
- Specialty taxonomy
- 1041C0700X — NUCC code
- State license (1)
- Delaware #Q10000379
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1255430393. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
339
Distinct HCPCS
1
Medicare allowed
$34,620
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90837 |
Psychotherapy, 1 hour | 339 | 13 | $102 |
In context: peer comparison
Among 13 peers in Wilmington Clinical Social Worker, average services per provider: 145. This provider delivers 2.3× the peer median.Frequently asked questions
What is Dr. Diane Necastro's medical specialty?
Dr. Diane Necastro practices Clinical Social Worker in Wilmington, DE.
Where does Dr. Diane Necastro practice?
Dr. Diane Necastro practices at 1500 Shallcross Ave Ste 2, Wilmington, DE 198063037. Office phone: 3023798959.
What is Dr. Diane Necastro's NPI?
Dr. Diane Necastro's National Provider Identifier (NPI) is 1255430393, issued by NPPES.
Does Dr. Diane Necastro accept Medicare assignment?
Yes. Dr. Diane Necastro accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Diane Necastro commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837). Source: CMS Medicare Physician & Other Practitioners file.