IndividualActive
Scott Williamson, MS ED
NPI 1427125517 · Psychologist · Allentown, PA
Scott Williamson, MS ED is a Psychologist provider in Allentown, PA (NPI 1427125517).
Provider details
- NPI number
- 1427125517
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- MS ED
- Sex
- Male
- Sole proprietor
- No
- License
- PS007492L (PA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(90/100 index)
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
401 N 17th St Suite 304
Allentown Associates in Psychiatry and Psychology
Allentown, PA 18104-5014
Phone: (610) 820-3900
Fax: (610) 820-3835
Street-level locationGet directions
Mailing address
401 N 17th Street
Allentown, PA 18104-5014
Registry dates
- Enumerated
- 2006-11-30
- Last updated
- 2007-07-08
Frequently asked questions
- What is Scott Williamson's NPI number?
- Scott Williamson's National Provider Identifier (NPI) is 1427125517, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Scott Williamson's specialty?
- Scott Williamson is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Scott Williamson located?
- Scott Williamson's practice location on file with NPPES is 401 N 17th St Suite 304, Allentown, PA 18104-5014.
- What is Scott Williamson's phone number?
- The practice phone number listed in the NPPES registry for Scott Williamson is (610) 820-3900.
- Is Scott Williamson's NPI active?
- Yes — Scott Williamson's NPI (1427125517) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.