IndividualActive
Diana Davis, PSY.D.
NPI 1215573159 · Clinical Psychologist · Mc Lean, VA
Diana Davis, PSY.D. is a Clinical Psychologist provider in Mc Lean, VA (NPI 1215573159).
Provider details
- NPI number
- 1215573159
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 0810006365 (VA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(65/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
1499 Chain Bridge Rd Ste 201
Mc Lean, VA 22101-5704
Phone: (703) 434-2159
Street-level locationGet directions
Mailing address
42780 Lauder Ter
Ashburn, VA 20147-3568
Registry dates
- Enumerated
- 2019-11-26
- Last updated
- 2023-01-23
- Certified
- 2023-01-23
Frequently asked questions
- What is Diana Davis's NPI number?
- Diana Davis's National Provider Identifier (NPI) is 1215573159, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana Davis's specialty?
- Diana Davis is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Diana Davis located?
- Diana Davis's practice location on file with NPPES is 1499 Chain Bridge Rd Ste 201, Mc Lean, VA 22101-5704.
- What is Diana Davis's phone number?
- The practice phone number listed in the NPPES registry for Diana Davis is (703) 434-2159.
- Is Diana Davis's NPI active?
- Yes — Diana Davis's NPI (1215573159) is active in the NPPES registry as of the last update on 2023-01-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.