IndividualActive
Michael Duffy
NPI 1295404333 · School Psychologist · Washington, DC
Michael Duffy is a School Psychologist provider in Washington, DC (NPI 1295404333).
Provider details
- NPI number
- 1295404333
- Entity type
- Individual
- Primary specialty
- School PsychologistBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(55/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
83% 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
401 I St Sw
Washington, DC 20024-4438
Phone: (202) 724-4867
Street-level locationGet directions
Mailing address
401 I St Sw
Washington, DC 20024-4438
Registry dates
- Enumerated
- 2021-09-11
- Last updated
- 2021-09-11
- Certified
- 2021-09-11
Frequently asked questions
- What is Michael Duffy's NPI number?
- Michael Duffy's National Provider Identifier (NPI) is 1295404333, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Duffy's specialty?
- Michael Duffy is listed in the NPPES registry with a primary specialty of School Psychologist (Behavioral Health & Social Service Providers).
- Where is Michael Duffy located?
- Michael Duffy's practice location on file with NPPES is 401 I St Sw, Washington, DC 20024-4438.
- What is Michael Duffy's phone number?
- The practice phone number listed in the NPPES registry for Michael Duffy is (202) 724-4867.
- Is Michael Duffy's NPI active?
- Yes — Michael Duffy's NPI (1295404333) is active in the NPPES registry as of the last update on 2021-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.