Allison Williams
Pediatrics Physician · Pittsburgh, PA
Allison Williams is a pediatrics physician with a practice address in Pittsburgh, Pennsylvania, and NPI 1003201708, issued on Mar 31, 2015. Check the license (Pennsylvania MD463815, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Allison Williams
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- MD463815 PA
Self-reported in NPPES; status is on the state search - Practice location
- 4401 Penn Ave, Pittsburgh, PA 15224
- Phone
- (412) 692-5285
- Enumerated
- Mar 31, 2015
- Record last updated
- Jul 28, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180703003069); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 3,382 in Pennsylvania → Look up another NPI →
Also registered at 4401 Penn Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Alyssa Aburachis, MDStudent in an Organized Health Care Education/Training Program1033968649
- Anas Abuseif, MDStudent in an Organized Health Care Education/Training Program1770339145
- Roxanne Acquaro, M.S. LCGCGenetic Counselor (M.S.)1427174663
Verify Allison Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD463815Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 77.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- University OF Pittsburgh PhysiciansPittsburgh, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Allison Williams among 3,382 pediatrics physician records in Pennsylvania
Allison Williams is one of 3,382 pediatrics physician records with a practice address in Pennsylvania. 25% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 69% of them.
- NPI issued2015 · 69% of these records are older, 29% newer
- In a Medicare fileYes · 25% of these records are
- In the CMS Doctors and Clinicians fileYes · 7% of these records are
- Graduated2015 · median 2011 among the 243 with a school on file
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
344 pediatrics physician records list a practice address in Pittsburgh
They are 344 of the 28,866 NPPES records with a practice address in Pittsburgh, and 3,382 pediatrics physician records in Pennsylvania.
All 3,382 in Pennsylvania → Every provider in Pittsburgh → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Andrew BuchertPittsburgh, PA 152241316155302
- Carrie Cannon, MDPittsburgh, PA 152241205929478
- Catalina Cleves-Bayon, M.D.Pittsburgh, PA 152241699944611
- Stephanie Dewar, MDPittsburgh, PA 152241497734677
- Beverly FrankPittsburgh, PA 152241124057617
- Amy HoutrowPittsburgh, PA 152241851355127
- Nahmah Kim-Campbell, MDPittsburgh, PA 152241174780050
- Uta Lichter-Konecki, MDPittsburgh, PA 152241871671198
Common questions
What is Allison Williams's NPI number?
Allison Williams's National Provider Identifier (NPI) is 1003201708, issued on Mar 31, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Allison Williams located?
The NPPES record lists a practice address at 4401 Penn Ave, Pittsburgh, PA, 15224. Phone: (412) 692-5285. Providers update this record themselves, so call before visiting.
How can I verify Allison Williams's license?
NPPES lists Pennsylvania license number MD463815, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Allison Williams's MIPS final score?
The 2023 MIPS final score is 77.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.