Catherine Westerduin
NPI 1114600061 · Clinical Social Worker · Philadelphia, PA
Catherine Westerduin is a Clinical Social Worker provider in Philadelphia, PA (NPI 1114600061).
Provider details
- NPI number
- 1114600061
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 44SC06247800 (NJ)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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
Additional practice locations (2)
- 580 Haddon AveCollingswood, NJ 08108-1443Phone: (201) 745-7162
- 21 Tanner StHaddonfield, NJ 08033-2403Phone: (201) 745-7162
Registry dates
- Enumerated
- 2023-08-08
- Last updated
- 2025-12-05
- Certified
- 2025-12-05
Frequently asked questions
- What is Catherine Westerduin's NPI number?
- Catherine Westerduin's National Provider Identifier (NPI) is 1114600061, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Westerduin's specialty?
- Catherine Westerduin is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Catherine Westerduin located?
- Catherine Westerduin's practice location on file with NPPES is 3900 Woodland Ave, Philadelphia, PA 19104-4551.
- What is Catherine Westerduin's phone number?
- The practice phone number listed in the NPPES registry for Catherine Westerduin is (215) 823-4458.
- Is Catherine Westerduin's NPI active?
- Yes — Catherine Westerduin's NPI (1114600061) is active in the NPPES registry as of the last update on 2025-12-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.