Catherine Williamson
NPI 1689895294 · Physical Therapy Assistant · Salisbury, MD
Catherine Williamson is a Physical Therapy Assistant provider in Salisbury, MD (NPI 1689895294).
Provider details
- NPI number
- 1689895294
- Entity type
- Individual
- Primary specialty
- Physical Therapy AssistantRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- A2988 (MD)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-01
- Last updated
- 2008-03-19
Frequently asked questions
- What is Catherine Williamson's NPI number?
- Catherine Williamson's National Provider Identifier (NPI) is 1689895294, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Williamson's specialty?
- Catherine Williamson is listed in the NPPES registry with a primary specialty of Physical Therapy Assistant (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Catherine Williamson located?
- Catherine Williamson's practice location on file with NPPES is 100 East Carroll Street, Salisbury, MD 21801.
- What is Catherine Williamson's phone number?
- The practice phone number listed in the NPPES registry for Catherine Williamson is (410) 546-6400.
- Is Catherine Williamson's NPI active?
- Yes — Catherine Williamson's NPI (1689895294) is active in the NPPES registry as of the last update on 2008-03-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.