Richard Grossman, PH.D.
NPI 1558428631 · Clinical Psychologist · Brookline, MA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Richard Grossman, PH.D. is a Clinical Psychologist provider in Brookline, MA (NPI 1558428631).
Provider details
- NPI number
- 1558428631
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 3466 (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
- 2007-01-02
- Last updated
- 2007-07-08
Frequently asked questions
- What is Richard Grossman's NPI number?
- Richard Grossman's National Provider Identifier (NPI) is 1558428631, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Richard Grossman's specialty?
- Richard Grossman is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Richard Grossman located?
- Richard Grossman's practice location on file with NPPES is 122 Thorndike St, Brookline, MA 02446-5845.
- What is Richard Grossman's phone number?
- The practice phone number listed in the NPPES registry for Richard Grossman is (617) 277-4449.
- Does Richard Grossman accept Medicare?
- Richard Grossman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Richard Grossman's NPI active?
- Yes — Richard Grossman's NPI (1558428631) 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.