Peter Lessem, PHD
NPI 1033234059 · Clinical Psychologist · New York, NY
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peter Lessem, PHD is a Clinical Psychologist provider in New York, NY (NPI 1033234059).
Provider details
- NPI number
- 1033234059
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- No
- License
- 006349 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-03-20
- Last updated
- 2007-07-08
Frequently asked questions
- What is Peter Lessem's NPI number?
- Peter Lessem's National Provider Identifier (NPI) is 1033234059, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Lessem's specialty?
- Peter Lessem is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Peter Lessem located?
- Peter Lessem's practice location on file with NPPES is 137 W 85th St, New York, NY 10024.
- What is Peter Lessem's phone number?
- The practice phone number listed in the NPPES registry for Peter Lessem is (212) 724-8741.
- Does Peter Lessem accept Medicare?
- Peter Lessem is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Peter Lessem's NPI active?
- Yes — Peter Lessem's NPI (1033234059) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.