William Andrews, PHD
NPI 1811900723 · Clinical Psychologist · Tyler, TX
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Andrews, PHD is a Clinical Psychologist provider in Tyler, TX (NPI 1811900723).
Provider details
- NPI number
- 1811900723
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 25607 (TX)
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
19 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
- 2006-08-14
- Last updated
- 2010-12-23
Frequently asked questions
- What is William Andrews's NPI number?
- William Andrews's National Provider Identifier (NPI) is 1811900723, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Andrews's specialty?
- William Andrews is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is William Andrews located?
- William Andrews's practice location on file with NPPES is 306 E Houston St, Tyler, TX 75702-8218.
- What is William Andrews's phone number?
- The practice phone number listed in the NPPES registry for William Andrews is (903) 581-2085.
- Does William Andrews accept Medicare?
- William Andrews is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Andrews's NPI active?
- Yes — William Andrews's NPI (1811900723) is active in the NPPES registry as of the last update on 2010-12-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.