IndividualActive
Maria Lajonchere-Ruenger, MD
NPI 1528197589 · Psychiatry Physician · Cambridge, MA
Maria Lajonchere-Ruenger, MD is a Psychiatry Physician provider in Cambridge, MA (NPI 1528197589).
Provider details
- NPI number
- 1528197589
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 157470 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(89/100 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
75 Mount Auburn St
Cambridge, MA 02138-4960
Phone: (617) 495-2042
Street-level locationGet directions
Mailing address
51 Prospect St
Providence, RI 02906-1332
Registry dates
- Enumerated
- 2007-03-05
- Last updated
- 2017-03-23
Frequently asked questions
- What is Maria Lajonchere-Ruenger's NPI number?
- Maria Lajonchere-Ruenger's National Provider Identifier (NPI) is 1528197589, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Lajonchere-Ruenger's specialty?
- Maria Lajonchere-Ruenger is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Maria Lajonchere-Ruenger located?
- Maria Lajonchere-Ruenger's practice location on file with NPPES is 75 Mount Auburn St, Cambridge, MA 02138-4960.
- What is Maria Lajonchere-Ruenger's phone number?
- The practice phone number listed in the NPPES registry for Maria Lajonchere-Ruenger is (617) 495-2042.
- Is Maria Lajonchere-Ruenger's NPI active?
- Yes — Maria Lajonchere-Ruenger's NPI (1528197589) is active in the NPPES registry as of the last update on 2017-03-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.