NPPES file of Aug 9, 2026

Lauren O. Williamson, PA-C

Physician Assistant · Rochester, NY

Lauren O. Williamson, PA-C is a physician assistant with a practice address in Rochester, New York, and NPI 1366220774, issued on Sep 18, 2023. Check the license (New York 030866, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1366220774
Name
Lauren O. Williamson
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
030866 NY
Self-reported in NPPES; status is on the state search
Practice location
2400 S Clinton Ave Ste 210, Rochester, NY 14618
Phone
(585) 341-7299
Enumerated
Sep 18, 2023
Record last updated
Oct 12, 2023
Medicare enrollment
Enrolled (PECOS I20231026000119); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 2400 S Clinton Ave Ste 210

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ilenis Quinones, NP-CPrimary Care Nurse Practitioner1861314676
  2. Jamison SmithPhysician Assistant1457237406

Verify Lauren O. Williamson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this profession
    Search for license 030866
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the New York license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

14% more Medicare Part D claims than the average physician assistant in 2024

948 Medicare Part D claims for 463 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 15 claims were for opioids.

  1. Lauren Williamson948
  2. Specialty average830

Most prescribed

  1. Lisinopril41 claims
  2. Prednisone40 claims
  3. Amoxicillin-Clavulanate Potass35 claims
  4. Cephalexin35 claims
  5. Atorvastatin Calcium34 claims
  6. Gabapentin32 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.

Bills Medicare through one group practice

  1. University OF RochesterRochester, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

630 physician assistant records list a practice address in Rochester

They are 630 of the 20,520 NPPES records with a practice address in Rochester, and 15,555 physician assistant records in New York.

Other physician assistant records in New York

  1. Brynn Aakjar, P.A.Yonkers, NY1447592456
  2. Andrea Aaron, PABronx, NY1427103555
  3. Gabriella AaronCentral Islip, NY1790605376
  4. Danielle AaronsSmithtown, NY1881207520
  5. John AbadeerBrooklyn, NY1801434949
  6. Zenebou Abalo-Toga, PANew York, NY1124556154
  7. Kevin Alfred Abalos, PA-CCambria Heights, NY1700286424
  8. Clarisse AbanillaNew York, NY1598445579
  9. Vincent Abanilla, PA-CBrooklyn, NY1366201808
  10. Marie Abate, PA-CValhalla, NY1285225524

Common questions

What is Lauren O. Williamson, PA-C's NPI number?

Lauren O. Williamson, PA-C's National Provider Identifier (NPI) is 1366220774, issued on Sep 18, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Lauren O. Williamson, PA-C located?

The NPPES record lists a practice address at 2400 S Clinton Ave Ste 210, Rochester, NY, 14618. Phone: (585) 341-7299. Providers update this record themselves, so call before visiting.

How can I verify Lauren O. Williamson, PA-C's license?

NPPES lists New York license number 030866, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does Lauren O. Williamson, PA-C prescribe under Medicare Part D?

In 2024, Lauren O. Williamson, PA-C had 948 Medicare Part D claims for 463 beneficiaries; the average among physician assistant prescribers was 830. 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.