Rachel Aizen, PHD
NPI 1659458081 · Clinical Psychologist · Amherst, MA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rachel Aizen, PHD is a Clinical Psychologist provider in Amherst, MA (NPI 1659458081).
Provider details
- NPI number
- 1659458081
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Female
- Sole proprietor
- No
- License
- MA1485PSY (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
- 2006-11-01
- Last updated
- 2007-07-08
Frequently asked questions
- What is Rachel Aizen's NPI number?
- Rachel Aizen's National Provider Identifier (NPI) is 1659458081, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rachel Aizen's specialty?
- Rachel Aizen is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Rachel Aizen located?
- Rachel Aizen's practice location on file with NPPES is 48 No Pleasant St, Amherst, MA 01002.
- What is Rachel Aizen's phone number?
- The practice phone number listed in the NPPES registry for Rachel Aizen is (413) 256-3456.
- Does Rachel Aizen accept Medicare?
- Rachel Aizen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rachel Aizen's NPI active?
- Yes — Rachel Aizen's NPI (1659458081) 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.