Marion Alderfer, LCSW
NPI 1396218780 · Clinical Social Worker · Lancaster, PA
Marion Alderfer, LCSW is a Clinical Social Worker provider in Lancaster, PA (NPI 1396218780).
Provider details
- NPI number
- 1396218780
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- SW135766 (PA)
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
7 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
Mailing address
Registry dates
- Enumerated
- 2019-01-08
- Last updated
- 2022-08-23
- Certified
- 2022-08-23
Frequently asked questions
- What is Marion Alderfer's NPI number?
- Marion Alderfer's National Provider Identifier (NPI) is 1396218780, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marion Alderfer's specialty?
- Marion Alderfer is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Marion Alderfer located?
- Marion Alderfer's practice location on file with NPPES is 1886 Rohrerstown Rd, Lancaster, PA 17601-2322.
- What is Marion Alderfer's phone number?
- The practice phone number listed in the NPPES registry for Marion Alderfer is (717) 735-1920.
- Is Marion Alderfer's NPI active?
- Yes — Marion Alderfer's NPI (1396218780) is active in the NPPES registry as of the last update on 2022-08-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.