Mental Health Therapist

Anna Marie Diem

410 N Prince St, Lancaster, Pennsylvania, 17603-3010

About Anna Marie Diem

Anna Marie Diem is a therapist based in Lancaster, Pennsylvania who is specialized in Mental Health Counselor. Her current practice location is 410 N Prince St, Lancaster. Patients can reach her at 717-553-5341 or can fax her at 717-869-6411. Anna Marie Diem NPI number (Unique professional ID assigned by NPPES) is 1346101888.

Anna Marie Diem is a licensed professional who helps individuals, couples, and families manage and overcome emotional, psychological, and behavioral challenges. She assess clients’ mental health conditions and develop personalized treatment plans to provide therapy for a range of mental health issues, including anxiety, depression, trauma, relationship issues, stress, grief, and life transitions.

Practice Information

Anna Marie Diem speciality, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name Anna Marie Diem
Specialization Mental Health Counselor
Gender Female
Practice Address: 410 N Prince St,
Lancaster, PA - 17603-3010
Fax 717-869-6411

Professional Identification Codes

NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

NPI Number1346101888
NPI Enumeration Date: 24 Nov, 2025
NPI Last Update On: 24 Nov, 2025

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Anna Marie Diem are as mentioned below.

License NumberSpecializationStateStatus
Mental Health Counselor PennsylvaniaPrimary

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

Anna Marie Diem
410 N Prince St,
Lancaster, PA - 17603-3010
Phone: 717-560-7917
Fax: 717-560-6452

Book an Appointment with Anna Marie Diem

To schedule an appointment, contact Anna Marie Diem at 410 N Prince St, Lancaster, Pennsylvania or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Anna Marie Diem:

Anna Marie Diem is a therapist specializing in Mental Health Counselor. She is a licensed professional who helps individuals, couples, and families manage and overcome emotional, psychological, and behavioral challenges. She assess clients’ mental health conditions and develop personalized treatment plans to provide therapy for a range of mental health issues, including anxiety, depression, trauma, relationship issues, stress, grief, and life transitions.

Yes, Anna Marie Diem is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

Anna Marie Diem practices at 410 N Prince St, Lancaster, Pennsylvania, 17603-3010.

To schedule an appointment with Anna Marie Diem, please contact the office at 717-553-5341.

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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.