ALLISON WILLIAMS
NPI 1003201708
Pediatrics in Pittsburgh, PA
About Allison Williams NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALLISON WILLIAMS (NPI 1003201708) is an individual pediatrics provider in Pittsburgh, Pennsylvania, licensed in Pennsylvania (MD463815) and active in the NPI registry since March 2015. She is enrolled in Medicare PECOS and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Allison Williams is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Allison Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Pittsburgh, PA 15224
- Reassigned Medicare billing, Pennsylvania enrollment
- 7,114 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 15224 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PITTSBURGH, PA 15224
PITTSBURGH, PA 15224
PITTSBURGH, PA 15224
PITTSBURGH, PA 15224
PITTSBURGH, PA 15224
PITTSBURGH, PA 15224
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Allison Williams's NPI number?
The NPI number for Allison Williams is 1003201708. It was assigned to this individual provider in the NPPES registry on March 31, 2015.
Where is Allison Williams located?
Allison Williams practices at 4401 Penn Ave Aob Suite 5400, Pittsburgh, PA 15224. The listed phone number is (412) 692-5285.
What is Allison Williams's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Allison Williams enrolled in Medicare?
Yes. Allison Williams is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Allison Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Allison Williams reassigns Medicare benefits to University Of Pittsburgh Physicians (Pittsburgh, PA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Allison Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Allison Williams was last updated on July 28, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Allison Williams · NPI 1003201708
Pediatrics physician in Pittsburgh, Pennsylvania. Individual provider, active in the CMS NPPES registry since March 31, 2015.
## Identity
- **NPI:** 1003201708 (Entity type: Individual)
- **Enumerated:** March 31, 2015
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** MD463815 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 4401 PENN AVE, AOB SUITE 5400, Pittsburgh, PA 15224-1334
- **Phone:** (412) 692-5285
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** University Of Pittsburgh Physicians (NPI 1225096639, Pittsburgh, PA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** July 28, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1003201708) · Data from the CMS NPPES public registry.