Abigail Alderfer
Counselor · Philadelphia, PA
Abigail Alderfer is a counselor with a practice address in Philadelphia, Pennsylvania, and NPI 1710450812, issued on Jan 10, 2019. Check the license (Pennsylvania CW019957, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Abigail Alderfer
- Primary taxonomy
- Counselor 101Y00000X
- License number
- CW019957 PA
Self-reported in NPPES; status is on the state search - Practice location
- 4225 Chestnut St, Philadelphia, PA 19104
- Phone
- (215) 386-1298
- Enumerated
- Jan 10, 2019
- Record last updated
- Jan 10, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20231129002387); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest counselor records → All 3,933 in Pennsylvania → Look up another NPI →
Also registered at 4225 Chestnut St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Takahide Tanaka, MSWSocial Worker1881246197
Verify Abigail Alderfer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license CW019957Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Christiana Care Health InitiativesWilmington, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Abigail Alderfer among 3,933 counselor records in Pennsylvania
Abigail Alderfer is one of 3,933 counselor records with a practice address in Pennsylvania. 3% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 57% of them.
- NPI issued2019 · 57% of these records are older, 40% newer
- In a Medicare fileYes · 3% of these records are
- In the CMS Doctors and Clinicians fileYes · 5% of these records are
- Graduated2008 · median 2015 among the 202 with a school on file
- Record last updated2019 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101Y00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Counselor providers in Pennsylvania
There are 3,933 counselor records in Pennsylvania.
All 3,933 in Pennsylvania → Every provider in Philadelphia → Counselor nationwide →
The 8 counselor records with the nearest ZIP codes
- Benjamin Belletieri, MS, LPC, CAADCPhiladelphia, PA 191041609799089
- Kenya Coney-JonesPhiladelphia, PA 191041467855783
- Brittany Davis, LPCPhiladelphia, PA 191041912694522
- Nicholas LuchkoPhiladelphia, PA 191041336247352
- Vanessa Martin, LPCPhila, PA 191041891460671
- Stephanie PawlowskiPhiladelphia, PA 191041598863151
- Kareem RaginPhiladelphia, PA 191041346111457
- Wydia SimmonsPhila, PA 191041508638891
Common questions
What is Abigail Alderfer's NPI number?
Abigail Alderfer's National Provider Identifier (NPI) is 1710450812, issued on Jan 10, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Abigail Alderfer located?
The NPPES record lists a practice address at 4225 Chestnut St, Philadelphia, PA, 19104. Phone: (215) 386-1298. Providers update this record themselves, so call before visiting.
How can I verify Abigail Alderfer's license?
NPPES lists Pennsylvania license number CW019957, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.