Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Abigail Alderfer

Individual provider Mental Health Counselor · NPI 1710450812

Abigail Alderfer is a Clinical Social Worker in Philadelphia, Pennsylvania. Qualified in 2008, 18 years ago. Practices with Christiana Care Health Initiatives, a 31-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Pennsylvania.

Years since qualifying
18
Licensed in
PA
In the registry since
2019
Specialties on file
2
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Practice location Address checks out

4225 Chestnut St
Philadelphia, PA 19104-3014
Phone: (215) 386-1298
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Counselor (primary) Taxonomy 101Y00000X · Licence CW019957 (PA)
Mental Health Counselor Taxonomy 101YM0800X · Licence CW019957 (PA)

Record details

NPI number1710450812
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedJanuary 10, 2019
Last updated in NPPESJanuary 10, 2019

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2008 (18 years in practice)
Group practice Christiana Care Health Initiatives — 31 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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