Michael Larson, DO
NPI 1407896418 · Child & Adolescent Psychiatry Physician · Watertown, MA
Michael Larson, DO is a Child & Adolescent Psychiatry Physician provider in Watertown, MA (NPI 1407896418).
Provider details
- NPI number
- 1407896418
- Entity type
- Individual
- Primary specialty
- Child & Adolescent Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 160807 (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
20 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
- 2006-06-07
- Last updated
- 2011-07-14
Frequently asked questions
- What is Michael Larson's NPI number?
- Michael Larson's National Provider Identifier (NPI) is 1407896418, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Larson's specialty?
- Michael Larson is listed in the NPPES registry with a primary specialty of Child & Adolescent Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Larson located?
- Michael Larson's practice location on file with NPPES is 485 Arsenal St, Watertown, MA 02472-5091.
- What is Michael Larson's phone number?
- The practice phone number listed in the NPPES registry for Michael Larson is (617) 972-5540.
- Is Michael Larson's NPI active?
- Yes — Michael Larson's NPI (1407896418) is active in the NPPES registry as of the last update on 2011-07-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.