NPI Portal NPI Lookup & Verification

Allison Williams

Allison Williams is a Pediatrics Physician provider (Pediatrics) practicing in Pittsburgh, PA, registered in the NPPES registry with NPI 1003201708 since 2015.

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NPI 1003201708
Entity type Individual (Type 1)
Name Allison Williams
Sex Female
Practice address 4401 PENN AVE, AOB SUITE 5400, Pittsburgh, PA, 15224
Phone 4126925285
Enumeration date 2015-03-31
Last updated in NPPES 2021-07-28

Taxonomy & licenses

Taxonomy code Specialty Primary License State
208000000X Pediatrics Physician Primary MD463815 PA
Copy-ready billing details
Provider: Allison Williams
NPI: 1003201708
Taxonomy: 208000000X (Pediatrics Physician)
Address: 4401 PENN AVE, AOB SUITE 5400, Pittsburgh, PA, 15224

Other providers at this practice address

NPI Name Type Specialty Location
1164426896 Upmc Children'S Hospital of Pittsburgh Organization Children's Hospital Pittsburgh, PA
1447249974 Catherine Walsh Vockley Individual Genetic Counselor (M.S.) Pittsburgh, PA
1508840877 Rhona Beth Galera Individual Speech-Language Pathologist Pittsburgh, PA
1790760874 Jennifer Halper Individual Clinical Social Worker Pittsburgh, PA
1790762441 Stephanie Greene Individual Neurological Surgery Physician Pittsburgh, PA
1497734677 Stephanie Dewar Individual Pediatrics Physician Pittsburgh, PA
1134191521 Martin Anixter Individual Anesthesiology Physician Pittsburgh, PA
1225001753 Sylvia Choi Individual Specialist Pittsburgh, PA

Verify this record

Cross-check NPI 1003201708 against the authoritative CMS record: view Allison Williams on the official NPPES registry .

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.

Frequently asked questions

What is the NPI number for Allison Williams?
The National Provider Identifier (NPI) for Allison Williams is 1003201708, a Type 1 (individual) record in the CMS NPPES registry.
Where does Allison Williams practice?
The practice location on file with NPPES is in Pittsburgh, PA. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2021-07-28.