Maria Del Pilar Trelles Thorne, MD
NPI 1558505891 · Child & Adolescent Psychiatry Physician · Boston, MA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Del Pilar Trelles Thorne, MD is a Child & Adolescent Psychiatry Physician provider in Boston, MA (NPI 1558505891).
Provider details
- NPI number
- 1558505891
- Entity type
- Individual
- Primary specialty
- Child & Adolescent Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 1017239 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
- 2009-04-30
- Last updated
- 2024-03-29
- Certified
- 2024-03-29
Frequently asked questions
- What is Maria Del Pilar Trelles Thorne's NPI number?
- Maria Del Pilar Trelles Thorne's National Provider Identifier (NPI) is 1558505891, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Del Pilar Trelles Thorne's specialty?
- Maria Del Pilar Trelles Thorne is listed in the NPPES registry with a primary specialty of Child & Adolescent Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Maria Del Pilar Trelles Thorne located?
- Maria Del Pilar Trelles Thorne's practice location on file with NPPES is 300 Longwood Ave, Boston, MA 02115-5724.
- What is Maria Del Pilar Trelles Thorne's phone number?
- The practice phone number listed in the NPPES registry for Maria Del Pilar Trelles Thorne is (617) 355-4600.
- Does Maria Del Pilar Trelles Thorne accept Medicare?
- Maria Del Pilar Trelles Thorne is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maria Del Pilar Trelles Thorne's NPI active?
- Yes — Maria Del Pilar Trelles Thorne's NPI (1558505891) is active in the NPPES registry as of the last update on 2024-03-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.