IndividualActive
Michael Otto, PHD
NPI 1841219847 · Psychologist · Boston, MA
Michael Otto, PHD is a Psychologist provider in Boston, MA (NPI 1841219847).
Provider details
- NPI number
- 1841219847
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- No
- License
- 4871 (MA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(91/100 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
55 Fruit Street
Wac 812 Massachusetts General Hospital
Boston, MA 02114
Phone: (617) 726-3488
Fax: (617) 726-7541
Street-level locationGet directions
Mailing address
Po Box 9142
Charlestown, MA 02129-9142
Registry dates
- Enumerated
- 2006-07-19
- Last updated
- 2007-07-08
Frequently asked questions
- What is Michael Otto's NPI number?
- Michael Otto's National Provider Identifier (NPI) is 1841219847, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Otto's specialty?
- Michael Otto is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Michael Otto located?
- Michael Otto's practice location on file with NPPES is 55 Fruit Street, Boston, MA 02114.
- What is Michael Otto's phone number?
- The practice phone number listed in the NPPES registry for Michael Otto is (617) 726-3488.
- Is Michael Otto's NPI active?
- Yes — Michael Otto's NPI (1841219847) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.