Abigail Alderfer
NPI 1710450812 · Counselor · Philadelphia, PA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Abigail Alderfer is a Counselor provider in Philadelphia, PA (NPI 1710450812).
Provider details
- NPI number
- 1710450812
- Entity type
- Individual
- Primary specialty
- CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- CW019957 (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
- 2019-01-10
- Last updated
- 2019-01-10
Frequently asked questions
- What is Abigail Alderfer's NPI number?
- Abigail Alderfer's National Provider Identifier (NPI) is 1710450812, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Abigail Alderfer's specialty?
- Abigail Alderfer is listed in the NPPES registry with a primary specialty of Counselor (Behavioral Health & Social Service Providers).
- Where is Abigail Alderfer located?
- Abigail Alderfer's practice location on file with NPPES is 4225 Chestnut St, Philadelphia, PA 19104-3014.
- What is Abigail Alderfer's phone number?
- The practice phone number listed in the NPPES registry for Abigail Alderfer is (215) 386-1298.
- Does Abigail Alderfer accept Medicare?
- Abigail Alderfer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Abigail Alderfer's NPI active?
- Yes — Abigail Alderfer's NPI (1710450812) is active in the NPPES registry as of the last update on 2019-01-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.