Doctor profile · Federal record

Dr. Marshal Mandelkern, M.D.

Psychiatry Physician (CMS: Psychiatry) · Woodbridge, CT

  • NPI 1487786927
  • Accepts Medicare
  • 44 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Bradley RD Ste 403
Woodbridge, CT 065252235
(203) 387-1102
fax (203) 387-1308

Credentials & registration

NPPES · NUCC
NPI registered
March 2007 — 19 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1982 — 44 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
Connecticut #26113

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1487786927. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
609
Distinct HCPCS
2
Medicare allowed
$45,941
HCPCS Description Services Patients Avg allowed
99212 Established patient office or other outpatient visit, 10-19 minutes 305 13 $60
90836 Psychotherapy with evaluation and management visit, 45 minutes 304 13 $91

In context: peer comparison

Among 1 peers in Woodbridge Psychiatry Physician, average services per provider: 304. This provider delivers 2.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
187
Patients
0
Total drug cost
$10,141
Drug Type Claims Patients Total cost
Clozapine Generic 37 0 $3,509
Clonazepam Generic 24 0 $254
Lorazepam Generic 22 0 $179
Divalproex Sodium Generic 18 0 $497
Escitalopram Oxalate Generic 17 0 $394
Zolpidem Tartrate Generic 17 0 $151
Sertraline Hcl Generic 14 0 $116
Methylphenidate ER (Methylphenidate Hcl) Brand 13 0 $4,598
Methylphenidate Hcl Generic 13 0 $144
Bupropion Xl (Bupropion Hcl) Brand 12 0 $299

Frequently asked questions

Auto-generated from federal data
What is Dr. Marshal Mandelkern's medical specialty?
Dr. Marshal Mandelkern practices Psychiatry Physician in Woodbridge, CT.
Where does Dr. Marshal Mandelkern practice?
Dr. Marshal Mandelkern practices at 1 Bradley RD Ste 403, Woodbridge, CT 065252235. Office phone: 2033871102.
What is Dr. Marshal Mandelkern's NPI?
Dr. Marshal Mandelkern's National Provider Identifier (NPI) is 1487786927, issued by NPPES.
Does Dr. Marshal Mandelkern accept Medicare assignment?
Yes. Dr. Marshal Mandelkern accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marshal Mandelkern commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99212); Psychotherapy with evaluation and management visit (HCPCS 90836). Source: CMS Medicare Physician & Other Practitioners file.