William R. Stixrud, PH.D. and Associates LLC
NPI 1205016607 · Clinical Neuropsychologist · Silver Spring, MD
William R. Stixrud, PH.D. and Associates LLC is a Clinical Neuropsychologist organization in Silver Spring, MD (NPI 1205016607).
Provider details
- NPI number
- 1205016607
- Entity type
- Organization
- Primary specialty
- Clinical NeuropsychologistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Starr Stixrud, Administrative Director(301) 565-0534
- License
- 1963 (MD)
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
- 2007-11-14
- Last updated
- 2007-11-14
Frequently asked questions
- What is William R. Stixrud, PH.D. and Associates LLC's NPI number?
- William R. Stixrud, PH.D. and Associates LLC's National Provider Identifier (NPI) is 1205016607, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is William R. Stixrud, PH.D. and Associates LLC?
- William R. Stixrud, PH.D. and Associates LLC is classified in the NPPES registry as Clinical Neuropsychologist (Behavioral Health & Social Service Providers).
- Where is William R. Stixrud, PH.D. and Associates LLC located?
- William R. Stixrud, PH.D. and Associates LLC's practice location on file with NPPES is 8720 Georgia Ave, Silver Spring, MD 20910-3638.
- What is William R. Stixrud, PH.D. and Associates LLC's phone number?
- The practice phone number listed in the NPPES registry for William R. Stixrud, PH.D. and Associates LLC is (301) 565-0534.
- Who is the authorized official for William R. Stixrud, PH.D. and Associates LLC?
- The authorized official listed on William R. Stixrud, PH.D. and Associates LLC's NPPES record is Starr Stixrud, Administrative Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is William R. Stixrud, PH.D. and Associates LLC's NPI active?
- Yes — William R. Stixrud, PH.D. and Associates LLC's NPI (1205016607) is active in the NPPES registry as of the last update on 2007-11-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.