Doctor profile · Federal record
Dr. Diane Mallach, LCSW
Clinical Social Worker · Belleville, NJ
- NPI 1508966417
- Accepts Medicare
- 53 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
50 Newark Ave, #306
Belleville, NJ 07109
(973) 450-0220
fax (973) 450-0162 - Mailing address
-
Po Box 71
Maplewood, NJ 07040
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1973 — 53 yrs since
- Specialty taxonomy
- 1041C0700X — NUCC code
- State license (1)
- New Jersey #44SC00284200
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1508966417. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
137
Distinct HCPCS
1
Medicare allowed
$10,955
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90834 |
Psychotherapy, 45 minutes | 137 | 14 | $80 |
In context: peer comparison
Among 1 peers in Belleville Clinical Social Worker, average services per provider: 137. This provider delivers 1.0× the peer median.Frequently asked questions
What is Dr. Diane Mallach's medical specialty?
Dr. Diane Mallach practices Clinical Social Worker in Belleville, NJ.
Where does Dr. Diane Mallach practice?
Dr. Diane Mallach practices at 50 Newark Ave, Belleville, NJ 07109. Office phone: 9734500220.
What is Dr. Diane Mallach's NPI?
Dr. Diane Mallach's National Provider Identifier (NPI) is 1508966417, issued by NPPES.
Does Dr. Diane Mallach accept Medicare assignment?
Yes. Dr. Diane Mallach accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Diane Mallach commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90834). Source: CMS Medicare Physician & Other Practitioners file.