Doctor profile · Federal record

Dr. Leslie Mandelbaum

Clinical Social Worker · Bloomfield, CT

  • NPI 1649705658
  • Accepts Medicare
  • 16 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
693 Bloomfield Ave
Bloomfield, CT 060022489
(860) 731-5522
fax (860) 731-5536
Additional location
153 Hazard Ave
Enfield, CT 060824592
fax (890) 731-5536
Mailing address
2 Waterside Xing Ste 401
Windsor, CT 060951588

Credentials & registration

NPPES · NUCC
NPI registered
April 2017 — 9 yrs on file
Profile last updated
October 24, 2024
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
1041C0700X — NUCC code

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649705658. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
383
Distinct HCPCS
3
Medicare allowed
$17,414
HCPCS Description Services Patients Avg allowed
90853 Group psychotherapy 204 13 $21
90834 Psychotherapy, 45 minutes 145 19 $77
90832 Psychotherapy, 30 minutes 34 12 $58

In context: peer comparison

Among 1 peers in this city , average services per provider: 127. This provider delivers 3.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Leslie Mandelbaum's medical specialty?
Dr. Leslie Mandelbaum practices Clinical Social Worker in Bloomfield, CT.
Where does Dr. Leslie Mandelbaum practice?
Dr. Leslie Mandelbaum practices at 693 Bloomfield Ave, Bloomfield, CT 060022489. Office phone: 8607315522.
What is Dr. Leslie Mandelbaum's NPI?
Dr. Leslie Mandelbaum's National Provider Identifier (NPI) is 1649705658, issued by NPPES.
Does Dr. Leslie Mandelbaum accept Medicare assignment?
Yes. Dr. Leslie Mandelbaum accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Leslie Mandelbaum commonly perform?
Top Medicare-reported procedures in 2023: Group psychotherapy (HCPCS 90853); Psychotherapy (HCPCS 90834); Psychotherapy (HCPCS 90832). Source: CMS Medicare Physician & Other Practitioners file.