Warren Klein, PH.D.
NPI 1124055694 · Clinical Psychologist · New York, NY
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Warren Klein, PH.D. is a Clinical Psychologist provider in New York, NY (NPI 1124055694).
Provider details
- NPI number
- 1124055694
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 12556-1 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
- 2006-06-28
- Last updated
- 2012-01-10
Frequently asked questions
- What is Warren Klein's NPI number?
- Warren Klein's National Provider Identifier (NPI) is 1124055694, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Warren Klein's specialty?
- Warren Klein is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Warren Klein located?
- Warren Klein's practice location on file with NPPES is 920 Broadway, 8th Fl., Ste. 13, New York, NY 10010.
- What is Warren Klein's phone number?
- The practice phone number listed in the NPPES registry for Warren Klein is (212) 592-3951.
- Does Warren Klein accept Medicare?
- Warren Klein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Warren Klein's NPI active?
- Yes — Warren Klein's NPI (1124055694) is active in the NPPES registry as of the last update on 2012-01-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.