IndividualActive
Nancy Sieck-Quillen, LCSW
NPI 1932358926 · School Social Worker · Felton, DE
Nancy Sieck-Quillen, LCSW is a School Social Worker provider in Felton, DE (NPI 1932358926).
Provider details
- NPI number
- 1932358926
- Entity type
- Individual
- Primary specialty
- School Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- Q10000546 (DE)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(87/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
5423 Killens Pond Rd
Felton, DE 19943-1901
Phone: (302) 284-3020
Street-level locationGet directions
Mailing address
5423 Killens Pond Rd
Felton, DE 19943-1901
Registry dates
- Enumerated
- 2008-09-15
- Last updated
- 2008-09-15
Frequently asked questions
- What is Nancy Sieck-Quillen's NPI number?
- Nancy Sieck-Quillen's National Provider Identifier (NPI) is 1932358926, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Sieck-Quillen's specialty?
- Nancy Sieck-Quillen is listed in the NPPES registry with a primary specialty of School Social Worker (Behavioral Health & Social Service Providers).
- Where is Nancy Sieck-Quillen located?
- Nancy Sieck-Quillen's practice location on file with NPPES is 5423 Killens Pond Rd, Felton, DE 19943-1901.
- What is Nancy Sieck-Quillen's phone number?
- The practice phone number listed in the NPPES registry for Nancy Sieck-Quillen is (302) 284-3020.
- Is Nancy Sieck-Quillen's NPI active?
- Yes — Nancy Sieck-Quillen's NPI (1932358926) is active in the NPPES registry as of the last update on 2008-09-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.