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Nan Schiowitz, PH.D.
NPI 1265557474 · Psychologist · Wilmington, DE
Nan Schiowitz, PH.D. is a Psychologist provider in Wilmington, DE (NPI 1265557474).
Provider details
- NPI number
- 1265557474
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 0000263 (DE)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(90/100 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
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
2500 Grubb Rd
Suite 240
Wilmington, DE 19810-4799
Phone: (302) 475-1880
Fax: (302) 475-2964
Approximate (ZIP-level) locationGet directions
Mailing address
725 S Warnock St
Philadelphia, PA 19147-1927
Registry dates
- Enumerated
- 2007-03-20
- Last updated
- 2007-07-08
Frequently asked questions
- What is Nan Schiowitz's NPI number?
- Nan Schiowitz's National Provider Identifier (NPI) is 1265557474, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nan Schiowitz's specialty?
- Nan Schiowitz is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Nan Schiowitz located?
- Nan Schiowitz's practice location on file with NPPES is 2500 Grubb Rd, Wilmington, DE 19810-4799.
- What is Nan Schiowitz's phone number?
- The practice phone number listed in the NPPES registry for Nan Schiowitz is (302) 475-1880.
- Is Nan Schiowitz's NPI active?
- Yes — Nan Schiowitz's NPI (1265557474) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.