Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

MARIA DETWEILER LPC
NPI 1619774155
Counselor - Professional in Lancaster, PA

Active since March 03, 2025
1891 SANTA BARBARA DR STE 102, LANCASTER, PA 17601(717) 936-9758(717) 618-6730 Get Directions Write a Review

NPPES record last updated: July 6, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 6, 2026, Mar 3, 2025 (2 updates tracked since 2025).

About Maria Detweiler Lpc NPPES

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

MARIA DETWEILER LPC (NPI 1619774155) is an individual professional provider in Lancaster, Pennsylvania, licensed in Pennsylvania (PC020617) and active in the NPI registry since March 2025.

NPPES Registry Identity

NPI1619774155
Entity TypeIndividualFemale
Primary Taxonomy101YP2500X
Provider Legal NameMARIA DETWEILERCredential: LPC
Location Address1891 SANTA BARBARA DR STE 102Lancaster, PA 17601-4106
Mailing Address1891 Santa Barbara Dr Ste 102Lancaster, PA 17601-4106 · (717) 936-9758 · Fax (717) 618-6730
Fax(717) 618-6730
Sole ProprietorNo
Enumeration DateMarch 3, 2025
Last NPPES UpdateJuly 6, 20262 updates tracked since enumeration
NPPES CertifiedJuly 6, 2026
NPI 1619774155 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers
Taxonomy Code101YP2500X
License Licensed in PA · PC020617
1891 SANTA BARBARA DR STE 102, Lancaster, PA 17601

Other Providers at the Same Location NPPES 14

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

Social Worker (Clinical)
1891 SANTA BARBARA DR STE 102
LANCASTER, PA 17601
Counselor (Professional)
1891 SANTA BARBARA DR STE 102
LANCASTER, PA 17601
Counselor (Professional)
1891 SANTA BARBARA DR STE 102
LANCASTER, PA 17601
Social Worker (Clinical)
1891 SANTA BARBARA DR STE 102
LANCASTER, PA 17601
Counselor (Professional)
1891 SANTA BARBARA DR STE 102
LANCASTER, PA 17601
Counselor (Professional)
1891 SANTA BARBARA DR STE 102
LANCASTER, PA 17601
Counselor (Professional)
1891 SANTA BARBARA DR STE 102
LANCASTER, PA 17601
Counselor (Professional)
1891 SANTA BARBARA DR STE 102
LANCASTER, PA 17601

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 Maria Detweiler's NPI number?

The NPI number for Maria Detweiler is 1619774155. It was assigned to this individual provider in the NPPES registry on March 3, 2025.

Where is Maria Detweiler located?

Maria Detweiler practices at 1891 Santa Barbara Dr Ste 102, Lancaster, PA 17601. The listed phone number is (717) 936-9758.

What is Maria Detweiler'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 Maria Detweiler was last updated on July 6, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.