Earl Eugene Delong, PH.D.
Psychologist · Lancaster, PA
Earl Eugene Delong, PH.D. is a psychologist with a practice address in Lancaster, Pennsylvania, and NPI 1477906881, issued on Jul 20, 2016. Check the license (Pennsylvania PS018083, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Earl Eugene Delong
- Credential
- PH.D.
- Primary taxonomy
- Psychologist 103T00000X
- License number
- PS018083 PA
Self-reported in NPPES; status is on the state search - Practice location
- 313 W Liberty St Ste 363, Lancaster, PA 17603
- Phone
- (717) 606-2904
- Enumerated
- Jul 20, 2016
- Record last updated
- Nov 17, 2025
- Medicare enrollment
- Enrolled (PECOS I20160829002554); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychologist records → All 2,687 in Pennsylvania → Look up another NPI →
Verify Earl Eugene Delong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license PS018083Check 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
- Delaware County Professional Services, IncCenter Valley, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Earl Eugene Delong among 2,687 psychologist records in Pennsylvania
Earl Eugene Delong, PH.D. is one of 2,687 psychologist records with a practice address in Pennsylvania. 13% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 73% of them.
- NPI issued2016 · 73% of these records are older, 25% newer
- In a Medicare fileYes · 13% of these records are
- In the CMS Doctors and Clinicians fileYes · 22% of these records are
- Graduated2010 · median 2004 among the 585 with a school on file
- Record last updated2025 · 70% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
59 psychologist records list a practice address in Lancaster
They are 59 of the 5,378 NPPES records with a practice address in Lancaster, and 2,687 psychologist records in Pennsylvania.
All 2,687 in Pennsylvania → Every provider in Lancaster → Psychologist nationwide →
The 8 psychologist records with the nearest ZIP codes
- Karen Alderfer, M.S.Lancaster, PA 176031235269341
- Elizabeth Dalton, PH.D.Lancaster, PA 176031538509419
- Deeanna Figueroa, RNLancaster, PA 176031902573108
- Jonathan Gransee, PSY.D.Lancaster, PA 176031033287891
- Kristin Jackson, PSY.D.Lancaster, PA 176031104255116
- Linda Karas, MSLancaster, PA 176031962647834
- Mary McManaman, PH.D.Lancaster, PA 176031811450109
- Rebecca Murray, PSY.D.Lancaster, PA 176031114109287
Common questions
What is Earl Eugene Delong, PH.D.'s NPI number?
Earl Eugene Delong, PH.D.'s National Provider Identifier (NPI) is 1477906881, issued on Jul 20, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Earl Eugene Delong, PH.D. located?
The NPPES record lists a practice address at 313 W Liberty St Ste 363, Lancaster, PA, 17603. Phone: (717) 606-2904. Providers update this record themselves, so call before visiting.
How can I verify Earl Eugene Delong, PH.D.'s license?
NPPES lists Pennsylvania license number PS018083, 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.