Ronnie Littenberg, PHD
NPI 1578621546 · Psychologist · Cambridge, MA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ronnie Littenberg, PHD is a Psychologist provider in Cambridge, MA (NPI 1578621546).
Provider details
- NPI number
- 1578621546
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Psychologist103T00000X
Behavioral Health & Social Service Providers
- Adult Development & Aging Psychologist103TA0700X
Behavioral Health & Social Service Providers
- Cognitive & Behavioral Psychologist103TB0200X
Behavioral Health & Social Service Providers
- Group Psychotherapy Psychologist103TP2701X
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
83% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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
Additional practice locations (2)
- 4 Goodman RdCambridge, MA 02139-1609
- 61 Roseland StSomerville, MA 02143-3524Phone: (617) 354-6270Fax: (617) 354-6275
Registry dates
- Enumerated
- 2006-12-04
- Last updated
- 2022-07-08
- Certified
- 2022-07-08
Frequently asked questions
- What is Ronnie Littenberg's NPI number?
- Ronnie Littenberg's National Provider Identifier (NPI) is 1578621546, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ronnie Littenberg's specialty?
- Ronnie Littenberg is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Ronnie Littenberg located?
- Ronnie Littenberg's practice location on file with NPPES is 4 Goodman Rd, Cambridge, MA 02139-1609.
- What is Ronnie Littenberg's phone number?
- The practice phone number listed in the NPPES registry for Ronnie Littenberg is (617) 823-5117.
- Does Ronnie Littenberg accept Medicare?
- Ronnie Littenberg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ronnie Littenberg's NPI active?
- Yes — Ronnie Littenberg's NPI (1578621546) is active in the NPPES registry as of the last update on 2022-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.