NPPES file of Aug 9, 2026

Catherine Ann Williamson

Physical Therapy Assistant · Salisbury, MD

Catherine Ann Williamson is a physical therapy assistant with a practice address in Salisbury, Maryland, and NPI 1689895294, issued on May 1, 2007. Check the license (Maryland A2988, as entered in NPPES) with the Maryland 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
1689895294
Name
Catherine Ann Williamson
Primary taxonomy
Physical Therapy Assistant 225200000X
License number
A2988 MD
Self-reported in NPPES; status is on the state search
Practice location
100 East Carroll Street, Salisbury, MD 21801
Phone
(410) 546-6400
Enumerated
May 1, 2007
Record last updated
Mar 19, 2008 (not updated in 18 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 100 East Carroll Street

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

  1. Donald Augustin, PACPhysician Assistant1194704205
  2. Rohail Azhar, M.D.Student in an Organized Health Care Education/Training Program1336937374
  3. Mark Cotter, PACPhysician Assistant1518946524
  4. Timothy Dale, PACPhysician Assistant1285614313
  5. Kathleen Devine, MDEmergency Medicine Physician1326027434
  6. Biswajit Ghosh, M.D.Anesthesiology Physician1295772937

Verify Catherine Ann Williamson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this profession
    Search for license A2988
    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
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49 physical therapy assistant records list a practice address in Salisbury

They are 49 of the 2,292 NPPES records with a practice address in Salisbury, and 1,294 physical therapy assistant records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other physical therapy assistant records in Maryland

  1. Ihsan Abdul Jabbar, PTALutherville, MD1154741437
  2. Kristy Abell, PTAAbingdon, MD1760337067
  3. Kristin Adams, PTAEaston, MD1366713448
  4. Tony AdamsWestminster, MD1326163213
  5. Keila Addlesberger, PTASalisbury, MD1326335605
  6. Jessica Adkisson, PTASalisbury, MD1063667269
  7. Jess AgaParkville, MD1336627306
  8. Yasir Ahmed, PTASilver Spring, MD1437437670
  9. Jennifer Alexander, PTABowie, MD1912242991
  10. Mary Alexander, PTABaltimore, MD1245451517

Common questions

What is Catherine Ann Williamson's NPI number?

Catherine Ann Williamson's National Provider Identifier (NPI) is 1689895294, issued on May 1, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Catherine Ann Williamson located?

The NPPES record lists a practice address at 100 East Carroll Street, Salisbury, MD, 21801. Phone: (410) 546-6400. Providers update this record themselves, so call before visiting.

How can I verify Catherine Ann Williamson's license?

NPPES lists Maryland license number A2988, as entered by the provider. Search the Maryland 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.