John Davison, M.B.A., PH.D.
NPI 1407040579 · Clinical Psychologist · Washington, DC
John Davison, M.B.A., PH.D. is a Clinical Psychologist provider in Washington, DC (NPI 1407040579).
Provider details
- NPI number
- 1407040579
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- M.B.A., PH.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 0810003839 (VA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
- 2007-08-31
- Last updated
- 2007-08-31
Frequently asked questions
- What is John Davison's NPI number?
- John Davison's National Provider Identifier (NPI) is 1407040579, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Davison's specialty?
- John Davison is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is John Davison located?
- John Davison's practice location on file with NPPES is 50 Irving St Nw, Washington, DC 20422-0001.
- What is John Davison's phone number?
- The practice phone number listed in the NPPES registry for John Davison is (202) 745-8000.
- Is John Davison's NPI active?
- Yes — John Davison's NPI (1407040579) is active in the NPPES registry as of the last update on 2007-08-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.