Stephen Klein, PHD
NPI 1962581033 · Clinical Psychologist · Amherst, MA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Klein, PHD is a Clinical Psychologist provider in Amherst, MA (NPI 1962581033).
Provider details
- NPI number
- 1962581033
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- No
- License
- 107 (MA)
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
- 2006-11-02
- Last updated
- 2007-12-11
Frequently asked questions
- What is Stephen Klein's NPI number?
- Stephen Klein's National Provider Identifier (NPI) is 1962581033, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Klein's specialty?
- Stephen Klein is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Stephen Klein located?
- Stephen Klein's practice location on file with NPPES is 664 Main St, Amherst, MA 01002-2439.
- What is Stephen Klein's phone number?
- The practice phone number listed in the NPPES registry for Stephen Klein is (413) 253-3211.
- Does Stephen Klein accept Medicare?
- Stephen Klein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Klein's NPI active?
- Yes — Stephen Klein's NPI (1962581033) is active in the NPPES registry as of the last update on 2007-12-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.