Doctor profile · Federal record

Dr. Peter Lessem, PHD

Clinical Psychologist · New York, NY

  • NPI 1033234059
  • Accepts Medicare
  • 47 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
137 W 85Th St
New York, NY 10024
(212) 724-8741
Mailing address
137 West 85Th St
New York, NY 10024

Credentials & registration

NPPES · NUCC
NPI registered
March 2007 — 19 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1979 — 47 yrs since
Specialty taxonomy
103TC0700X — NUCC code
State license (1)
New York #006349

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033234059. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
484
Distinct HCPCS
1
Medicare allowed
$52,561
HCPCS Description Services Patients Avg allowed
90834 Psychotherapy, 45 minutes 484 13 $109

In context: peer comparison

Among 67 peers in New York Clinical Psychologist, average services per provider: 373. This provider delivers 1.3× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Peter Lessem's medical specialty?
Dr. Peter Lessem practices Clinical Psychologist in New York, NY.
Where does Dr. Peter Lessem practice?
Dr. Peter Lessem practices at 137 W 85Th St, New York, NY 10024. Office phone: 2127248741.
What is Dr. Peter Lessem's NPI?
Dr. Peter Lessem's National Provider Identifier (NPI) is 1033234059, issued by NPPES.
Does Dr. Peter Lessem accept Medicare assignment?
Yes. Dr. Peter Lessem accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Peter Lessem commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90834). Source: CMS Medicare Physician & Other Practitioners file.