IndividualActive
Barbara Lewis, M.D.
NPI 1619068798 · Psychiatry Physician · Cambridge, MA
Barbara Lewis, M.D. is a Psychiatry Physician provider in Cambridge, MA (NPI 1619068798).
Provider details
- NPI number
- 1619068798
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 79834 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
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
875 Massachusetts Ave
Suite # 65
Cambridge, MA 02139-3067
Phone: (617) 492-7495
Street-level locationGet directions
Mailing address
255 Beacon St
Boston, MA 02116-1371
Registry dates
- Enumerated
- 2006-09-27
- Last updated
- 2012-01-04
Frequently asked questions
- What is Barbara Lewis's NPI number?
- Barbara Lewis's National Provider Identifier (NPI) is 1619068798, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Barbara Lewis's specialty?
- Barbara Lewis is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Barbara Lewis located?
- Barbara Lewis's practice location on file with NPPES is 875 Massachusetts Ave, Cambridge, MA 02139-3067.
- What is Barbara Lewis's phone number?
- The practice phone number listed in the NPPES registry for Barbara Lewis is (617) 492-7495.
- Is Barbara Lewis's NPI active?
- Yes — Barbara Lewis's NPI (1619068798) is active in the NPPES registry as of the last update on 2012-01-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.