NPPES file of Aug 9, 2026

Sonya Williamson, COTA/L

Occupational Therapy Assistant · Philadelphia, PA

Sonya Williamson, COTA/L is an occupational therapy assistant with a practice address in Philadelphia, Pennsylvania, and NPI 1386055507, issued on May 9, 2014. Check the license (Pennsylvania OP007822, as entered in NPPES) with the Pennsylvania board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1386055507
Name
Sonya Williamson
Credential
COTA/L
Primary taxonomy
Occupational Therapy Assistant 224Z00000X
License number
OP007822 PA
Self-reported in NPPES; status is on the state search
Practice location
2990 Holme Ave, Philadelphia, PA 19136
Phone
(215) 335-2100
Enumerated
May 9, 2014
Record last updated
May 9, 2014 (not updated in 12 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2990 Holme Ave

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

  1. Denise Brown, PTAPhysical Therapy Assistant1699185447
  2. Jeffrey Buzin, DPTPhysical Therapist1811307788
  3. Regine Chachoute, RNNurse Practitioner1346551595
  4. Melvin DanielsOccupational Therapist1427466036
  5. Maren Haas-Mahoney, OTR/LOccupational Therapist1609134972
  6. Avery HarrisSpeech-Language Pathologist1063823284

Verify Sonya Williamson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
    Search for license OP007822
    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 Pennsylvania 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.

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Sonya Williamson among 2,155 occupational therapy assistant records in Pennsylvania

Sonya Williamson, COTA/L is one of 2,155 occupational therapy assistant records with a practice address in Pennsylvania. 0% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2014, is newer than 45% of them.

  • NPI issued2014 · 45% of these records are older, 48% newer
  • In a Medicare fileNo · 0% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2014 · 80% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 224Z00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Occupational Therapy Assistant providers in Pennsylvania

There are 2,155 occupational therapy assistant records in Pennsylvania. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 occupational therapy assistant records with the nearest ZIP codes

  1. Diane Fiorino, COTA/LPhiladelphia, PA 191361851532311
  2. Kathryn HarrisPhiladelphia, PA 191361437828605
  3. Taryn WinbushPhiladelphia, PA 191381609221878
  4. Eileen BlahaPhiladelphia, PA 191391972952737
  5. Jamilla AliPhiladelphia, PA 191411851249791
  6. Sharon BolliniPhiladelphia, PA 191311548574791
  7. M Collette BrandtPhiladelphia, PA 191311932412467
  8. Peggy Lintell-SmithSpring House, PA 191311760608814

Common questions

What is Sonya Williamson, COTA/L's NPI number?

Sonya Williamson, COTA/L's National Provider Identifier (NPI) is 1386055507, issued on May 9, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Sonya Williamson, COTA/L located?

The NPPES record lists a practice address at 2990 Holme Ave, Philadelphia, PA, 19136. Phone: (215) 335-2100. Providers update this record themselves, so call before visiting.

How can I verify Sonya Williamson, COTA/L's license?

NPPES lists Pennsylvania license number OP007822, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity 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. 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.