IndividualActive
Diane Niesley, MSW
NPI 1205997368 · Clinical Social Worker · Lancaster, PA
Diane Niesley, MSW is a Clinical Social Worker provider in Lancaster, PA (NPI 1205997368).
Provider details
- NPI number
- 1205997368
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW
- Sex
- Female
- Sole proprietor
- No
- License
- CW001788L (PA)
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
600h Eden Rd
Lancaster, PA 17601-4205
Phone: (717) 397-1400
Fax: (717) 509-4066
Street-level locationGet directions
Mailing address
600h Eden Rd
Lancaster, PA 17601-4205
Registry dates
- Enumerated
- 2006-12-13
- Last updated
- 2015-03-19
Frequently asked questions
- What is Diane Niesley's NPI number?
- Diane Niesley's National Provider Identifier (NPI) is 1205997368, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Niesley's specialty?
- Diane Niesley is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Diane Niesley located?
- Diane Niesley's practice location on file with NPPES is 600h Eden Rd, Lancaster, PA 17601-4205.
- What is Diane Niesley's phone number?
- The practice phone number listed in the NPPES registry for Diane Niesley is (717) 397-1400.
- Is Diane Niesley's NPI active?
- Yes — Diane Niesley's NPI (1205997368) is active in the NPPES registry as of the last update on 2015-03-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.