Kelly A. Williamson, PA-C
Medical Physician Assistant · Sellersville, PA
Kelly A. Williamson, PA-C is a medical physician assistant with a practice address in Sellersville, Pennsylvania, and NPI 1053621052, issued on Oct 12, 2010. Check the license (Pennsylvania MA054630, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kelly A. Williamson
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- MA054630 PA
Self-reported in NPPES; status is on the state search - Practice location
- 915 Lawn Ave, Sellersville, PA 18960
- Phone
- (215) 453-3400
- Enumerated
- Oct 12, 2010
- Record last updated
- Feb 2, 2026
- Fax
- (215) 453-3410
- Medicare enrollment
- Enrolled (PECOS I20110208000539); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 3,897 in Pennsylvania → Look up another NPI →
Also registered at 915 Lawn Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Kelly A. Williamson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license MA054630Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average medical physician assistant in 2024
79 Medicare Part D claims for 58 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 57 claims were for opioids.
Most prescribed
- Oxycodone-Acetaminophen36 claims
- Tramadol Hcl14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $90.01
3 payments; by number, the most common kind was food and beverage; the largest payer was W. L. Gore & Associates, Inc. The 16,165 providers of this specialty with any payment received $1,055.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Grand View HospitalLansdale, PA
- St Lukes Physician Group IncSellersville, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kelly A. Williamson among 3,897 medical physician assistant records in Pennsylvania
Kelly A. Williamson, PA-C is one of 3,897 medical physician assistant records with a practice address in Pennsylvania. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 34% of them.
- NPI issued2010 · 34% of these records are older, 62% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2010 · median 2015 among the 2,467 with a school on file
- Record last updated2026 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
18 medical physician assistant records list a practice address in Sellersville
They are 18 of the 788 NPPES records with a practice address in Sellersville, and 3,897 medical physician assistant records in Pennsylvania.
All 3,897 in Pennsylvania → Every provider in Sellersville → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Christine Davis Mazenko, PA-CSellersville, PA 189601619174380
- Kristin Duffy, PA-CSellersville, PA 189601992015978
- Brianna Gabriel, PA-CSellersville, PA 189601497265573
- Brendan Hartman, PA-CSellersville, PA 189601275878068
- Lauren Henry, PA-CSellersville, PA 189601508268111
- Jennifer Hodges, PA-CSellersville, PA 189601154605418
- Courtney RobertsSellersville, PA 189601477935211
- Stacy Ryan, PASellersville, PA 189601235178278
Common questions
What is Kelly A. Williamson, PA-C's NPI number?
Kelly A. Williamson, PA-C's National Provider Identifier (NPI) is 1053621052, issued on Oct 12, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Kelly A. Williamson, PA-C located?
The NPPES record lists a practice address at 915 Lawn Ave, Sellersville, PA, 18960. Phone: (215) 453-3400. Providers update this record themselves, so call before visiting.
How can I verify Kelly A. Williamson, PA-C's license?
NPPES lists Pennsylvania license number MA054630, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
How much does Kelly A. Williamson, PA-C prescribe under Medicare Part D?
In 2024, Kelly A. Williamson, PA-C had 79 Medicare Part D claims for 58 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.
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.