John Leso, PH.D.
NPI 1053835785 · Clinical Psychologist · Mc Lean, VA
John Leso, PH.D. is a Clinical Psychologist provider in Mc Lean, VA (NPI 1053835785).
Provider details
- NPI number
- 1053835785
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 013429-1 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 1755 S St Nw Ste 6bWashington, DC 20009-6107Phone: (202) 234-7738
Registry dates
- Enumerated
- 2017-08-03
- Last updated
- 2022-06-06
- Certified
- 2022-06-06
Frequently asked questions
- What is John Leso's NPI number?
- John Leso's National Provider Identifier (NPI) is 1053835785, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Leso's specialty?
- John Leso is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is John Leso located?
- John Leso's practice location on file with NPPES is 6723 Whittier Ave, Mc Lean, VA 22101-4522.
- What is John Leso's phone number?
- The practice phone number listed in the NPPES registry for John Leso is (703) 475-6478.
- Is John Leso's NPI active?
- Yes — John Leso's NPI (1053835785) is active in the NPPES registry as of the last update on 2022-06-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.