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ANNA MARIE DIEM
NPI 1346101888
Counselor - Mental Health in Lancaster, PA

Active since November 24, 2025
410 N PRINCE ST, LANCASTER, PA 17603(717) 553-5341(717) 869-6411 Get Directions Write a Review

NPPES record last updated: November 24, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Anna Marie Diem NPPES

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

ANNA MARIE DIEM (NPI 1346101888) is an individual mental health provider in Lancaster, Pennsylvania and active in the NPI registry since November 2025.

NPPES Registry Identity

NPI1346101888
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameANNA MARIE DIEM
Location Address410 N PRINCE STLancaster, PA 17603-3010
Mailing Address410 N Prince StLancaster, PA 17603-3010 · (717) 560-7917 · Fax (717) 560-6452
Phone(717) 553-5341
Fax(717) 869-6411
Sole ProprietorNo
Enumeration DateNovember 24, 2025
NPPES CertifiedNovember 22, 2025
✔ NPI 1346101888 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
410 N PRINCE 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.

SIMRIT KAHLON MS, PA-C
Psychiatry & Neurology (Psychiatry)
410 N PRINCE ST
LANCASTER, PA 17603
Lancaster County (717) 560-7917
JESSICA WHITNEY WEISS-FORD MSW, LSW, LCSW
Social Worker (Clinical)
410 N PRINCE ST
LANCASTER, PA 17603
Lancaster County (717) 560-7917
MR. CASEY HARBAUGH M.S., L.P.C.
Counselor (Mental Health)
410 N PRINCE ST
LANCASTER, PA 17603
Lancaster County (717) 560-7917
AMY CONSTANCE JEAN CORNWALL MA, LBS
Behavior Analyst
410 N PRINCE ST
LANCASTER, PA 17603
Lancaster County (717) 560-7917
MEGAN HARTMANN LAPC
Counselor (Professional)
410 N PRINCE ST
LANCASTER, PA 17603
Lancaster County (717) 560-7917
JULIE ALEXANDER LPC
Counselor (Professional)
410 N PRINCE ST
LANCASTER, PA 17603
Lancaster County (717) 560-7917
MR. DANIEL DELCOLLO LPC
Counselor (Professional)
410 N PRINCE ST
LANCASTER, PA 17603
Lancaster County (717) 560-7917
JENNIFER BURTON LAPC
Counselor (Professional)
410 N PRINCE ST
LANCASTER, PA 17603
Lancaster County (717) 560-7917

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 Anna Diem's NPI number?

The NPI number for Anna Diem is 1346101888. It was assigned to this individual provider in the NPPES registry on November 24, 2025.

Where is Anna Diem located?

Anna Diem practices at 410 N Prince St, Lancaster, PA 17603. The listed phone number is (717) 553-5341.

What is Anna Diem's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

When was this NPI record last updated?

The NPPES record for Anna Diem was last updated on November 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.