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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DERICK DUFFY
NPI 1679353593
Counselor - Professional in Lancaster, PA

Active since September 29, 2023
40 PEARL ST, LANCASTER, PA 17603(717) 397-8081 Get Directions Write a Review

NPPES record last updated: August 11, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Derick Duffy NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DERICK DUFFY (NPI 1679353593) is an individual professional provider in Lancaster, Pennsylvania and active in the NPI registry since September 2023.

NPPES Registry Identity

NPI1679353593
Entity TypeIndividualMale
Primary Taxonomy101YP2500X
Provider Legal NameDERICK DUFFY
Location Address40 PEARL STLancaster, PA 17603-3231
Mailing Address200 N 7th StLebanon, PA 17046-5040 · (717) 272-5464 · Fax (717) 376-1712
Phone(717) 397-8081
Sole ProprietorNo
Enumeration DateSeptember 29, 2023
Last NPPES UpdateAugust 11, 2026
NPPES CertifiedAugust 11, 2026
✔ NPI 1679353593 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers
Taxonomy Code101YP2500X
Also ListedCounselorTaxonomy 101Y00000X
40 PEARL ST, Lancaster, PA 17603
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ELIZABETH JANSEN
Counselor (Mental Health)
40 PEARL ST
LANCASTER, PA 17603
Lancaster County (717) 397-8081
SHANNON CANNING
Counselor
40 PEARL ST
LANCASTER, PA 17603
Lancaster County (717) 397-8081
LIZBETH CRUZ
Counselor (Mental Health)
40 PEARL ST
LANCASTER, PA 17603
Lancaster County (717) 397-8081
JESSICA SIMERAL
Counselor
40 PEARL ST
LANCASTER, PA 17603
Lancaster County (717) 397-8081
DANIEL GRUBB
Counselor
40 PEARL ST
LANCASTER, PA 17603
Lancaster County (717) 397-8081
ISABELLA REAM
Counselor
40 PEARL ST
LANCASTER, PA 17603
Lancaster County (717) 397-8081
STACEY STREHLE
Counselor (Professional)
40 PEARL ST
LANCASTER, PA 17603
Lancaster County (717) 397-8081
EDWARD SCHMELTZ
Counselor
40 PEARL ST
LANCASTER, PA 17603
Lancaster County (717) 397-8081

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Derick Duffy's NPI number?

The NPI number for Derick Duffy is 1679353593. It was assigned to this individual provider in the NPPES registry on September 29, 2023.

Where is Derick Duffy located?

Derick Duffy practices at 40 Pearl St, Lancaster, PA 17603. The listed phone number is (717) 397-8081.

What is Derick Duffy's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

When was this NPI record last updated?

The NPPES record for Derick Duffy was last updated on August 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.