IndividualActive
Sylvia Herdt, LCSW
NPI 1023033990 · Clinical Social Worker · Sewickley, PA
Sylvia Herdt, LCSW is a Clinical Social Worker provider in Sewickley, PA (NPI 1023033990).
Provider details
- NPI number
- 1023033990
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(84/100 index)
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
83% 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
2591 Wexford Bayne Rd
Suite 200
Sewickley, PA 15143-8676
Phone: (724) 272-1984
Fax: (153) 082-0619
Street-level locationGet directions
Mailing address
2702 Ambassador Ln
Valencia, PA 16059-1457
Registry dates
- Enumerated
- 2006-07-13
- Last updated
- 2013-11-15
Frequently asked questions
- What is Sylvia Herdt's NPI number?
- Sylvia Herdt's National Provider Identifier (NPI) is 1023033990, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sylvia Herdt's specialty?
- Sylvia Herdt is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Sylvia Herdt located?
- Sylvia Herdt's practice location on file with NPPES is 2591 Wexford Bayne Rd, Sewickley, PA 15143-8676.
- What is Sylvia Herdt's phone number?
- The practice phone number listed in the NPPES registry for Sylvia Herdt is (724) 272-1984.
- Is Sylvia Herdt's NPI active?
- Yes — Sylvia Herdt's NPI (1023033990) is active in the NPPES registry as of the last update on 2013-11-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.