Sebastian Barr, PHD
NPI 1144636739 · Clinical Psychologist · Cambridge, MA
Sebastian Barr, PHD is a Clinical Psychologist provider in Cambridge, MA (NPI 1144636739).
Provider details
- NPI number
- 1144636739
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Mental Health Counselor101YM0800X
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
- Health Service Psychologist103TH0100X
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
11 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
2 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 (1)
- 1493 Cambridge StCambridge, MA 02139-1047Phone: (617) 665-1183
Registry dates
- Enumerated
- 2014-07-03
- Last updated
- 2021-05-20
- Certified
- 2021-05-20
Frequently asked questions
- What is Sebastian Barr's NPI number?
- Sebastian Barr's National Provider Identifier (NPI) is 1144636739, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sebastian Barr's specialty?
- Sebastian Barr is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Sebastian Barr located?
- Sebastian Barr's practice location on file with NPPES is 56 Portsmouth St # 2, Cambridge, MA 02141-1328.
- What is Sebastian Barr's phone number?
- The practice phone number listed in the NPPES registry for Sebastian Barr is (704) 651-2997.
- Is Sebastian Barr's NPI active?
- Yes — Sebastian Barr's NPI (1144636739) is active in the NPPES registry as of the last update on 2021-05-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.