Matthew Siegel, MD
NPI 1134347560 · Child & Adolescent Psychiatry Physician · Boston, MA
Matthew Siegel, MD is a Child & Adolescent Psychiatry Physician provider in Boston, MA (NPI 1134347560).
Provider details
- NPI number
- 1134347560
- Entity type
- Individual
- Primary specialty
- Child & Adolescent Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 017772 (ME)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2007-04-23
- Last updated
- 2024-02-01
- Certified
- 2024-02-01
Frequently asked questions
- What is Matthew Siegel's NPI number?
- Matthew Siegel's National Provider Identifier (NPI) is 1134347560, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Siegel's specialty?
- Matthew Siegel is listed in the NPPES registry with a primary specialty of Child & Adolescent Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Siegel located?
- Matthew Siegel's practice location on file with NPPES is 300 Longwood Ave, Boston, MA 02115-5724.
- What is Matthew Siegel's phone number?
- The practice phone number listed in the NPPES registry for Matthew Siegel is (617) 355-6000.
- Is Matthew Siegel's NPI active?
- Yes — Matthew Siegel's NPI (1134347560) is active in the NPPES registry as of the last update on 2024-02-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.