Abigail Christine Lyon, PSY.D.
Clinical Neuropsychologist · Philadelphia, PA
Abigail Christine Lyon, PSY.D. is a clinical neuropsychologist with a practice address in Philadelphia, Pennsylvania, and NPI 1134615388, issued on Jul 10, 2018. Check the license (Pennsylvania PS018494, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Abigail Christine Lyon
- Credential
- PSY.D.
- Primary taxonomy
- Clinical Neuropsychologist 103G00000X
- License number
- PS018494 PA
Self-reported in NPPES; status is on the state search - Practice location
- 909 Walnut St FL 2, Philadelphia, PA 19107
- Phone
- (215) 955-1234
- Enumerated
- Jul 10, 2018
- Record last updated
- Nov 26, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (215) 503-6792
- Medicare enrollment
- Enrolled (PECOS I20181219000098); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical neuropsychologist records → All 234 in Pennsylvania → Look up another NPI →
Also registered at 909 Walnut St FL 2
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shaista Alam, MDNeurology Physician1700149895
- Iyad Alnahhas, M.D., M.S.Neurology Physician1922428333
- Carrie Andrews, MDStudent in an Organized Health Care Education/Training Program1932662012
- Crystal Benjamin, M.D.Family Medicine Physician1912260290
- Matthew Berk, M.D.Neurology Physician1750724498
- James Castiglione, MDStudent in an Organized Health Care Education/Training Program1336887298
Verify Abigail Christine Lyon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license PS018494Check 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
- Jefferson University PhysiciansPhiladelphia, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Abigail Christine Lyon among 234 clinical neuropsychologist records in Pennsylvania
Abigail Christine Lyon, PSY.D. is one of 234 clinical neuropsychologist records with a practice address in Pennsylvania. 34% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 74% of them.
- NPI issued2018 · 74% of these records are older, 20% newer
- In a Medicare fileYes · 34% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2016 · median 2009 among the 101 with a school on file
- Record last updated2018 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103G00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Neuropsychologist providers in Pennsylvania
There are 234 clinical neuropsychologist records in Pennsylvania.
All 234 in Pennsylvania → Every provider in Philadelphia → Clinical Neuropsychologist nationwide →
The 8 clinical neuropsychologist records with the nearest ZIP codes
- Laura Brennan, PH.D.Philadelphia, PA 191071316206311
- Kathryn Lester, PSY.D.Philadelphia, PA 191071205126976
- Gerri McGinnis, PHDPhiladelphia, PA 191071972523033
- Victoria Oleynick, PHDPhiladelphia, PA 191071629807169
- Gregory Seidel, PH.D.Philadelphia, PA 191071447602982
- Jennifer Tinker, PH.D.Philadelphia, PA 191071013264449
- Joseph Tracy, PHDPhiladelphia, PA 191071386667905
- Chelsea Black, PH.D.Philadelphia, PA 191041023463106
Common questions
What is Abigail Christine Lyon, PSY.D.'s NPI number?
Abigail Christine Lyon, PSY.D.'s National Provider Identifier (NPI) is 1134615388, issued on Jul 10, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Abigail Christine Lyon, PSY.D. located?
The NPPES record lists a practice address at 909 Walnut St FL 2, Philadelphia, PA, 19107. Phone: (215) 955-1234. Providers update this record themselves, so call before visiting.
How can I verify Abigail Christine Lyon, PSY.D.'s license?
NPPES lists Pennsylvania license number PS018494, 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.