IndividualActive
Lionel Joseph, PSY.D.
NPI 1538353545 · Clinical Psychologist · Boston, MA
Lionel Joseph, PSY.D. is a Clinical Psychologist provider in Boston, MA (NPI 1538353545).
Provider details
- NPI number
- 1538353545
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 7211 (MA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(88/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
221 Rivermoor St
Boston, MA 02132-4905
Phone: (617) 327-6777
Fax: (617) 327-4447
Street-level locationGet directions
Mailing address
20 Highland Rd
Somerville, MA 02144-2311
Registry dates
- Enumerated
- 2007-09-03
- Last updated
- 2007-09-03
Frequently asked questions
- What is Lionel Joseph's NPI number?
- Lionel Joseph's National Provider Identifier (NPI) is 1538353545, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lionel Joseph's specialty?
- Lionel Joseph is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Lionel Joseph located?
- Lionel Joseph's practice location on file with NPPES is 221 Rivermoor St, Boston, MA 02132-4905.
- What is Lionel Joseph's phone number?
- The practice phone number listed in the NPPES registry for Lionel Joseph is (617) 327-6777.
- Is Lionel Joseph's NPI active?
- Yes — Lionel Joseph's NPI (1538353545) is active in the NPPES registry as of the last update on 2007-09-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.