Psychiatrist

Ajit Jason John, MD

333 Harrisburg Ave, Lancaster, Pennsylvania, 17603-2951

About Ajit Jason John

Ajit Jason John is a psychiatrist based in Lancaster, Pennsylvania who is specialized in Psychiatry. Active license number of Ajit Jason John is MD486401 for Psychiatry in Pennsylvania. His current practice location is 333 Harrisburg Ave, Lancaster. Patients can contact him at 717-740-4100. Ajit Jason John, MD, specializes in Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1720662679.

Ajit Jason John specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Practice Information

Ajit Jason John's specialty, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name Ajit Jason John
Specialization Psychiatry
Credentials MD
Gender Male
Practice Address: 333 Harrisburg Ave,
Lancaster, PA - 17603-2951

Professional Identification Codes

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

NPI Number1720662679
NPI Enumeration Date: 07 May, 2021
NPI Last Update On: 01 Jun, 2025

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialties in the same state or different states. Related medical licenses for Ajit Jason John are as mentioned below.

License NumberSpecializationStateStatus
MD486401Psychiatry PennsylvaniaPrimary
Student in an Organized Health Care Education/Training Program Secondary

Mailing Address

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

Ajit Jason John
333 Harrisburg Ave,
Lancaster, PA - 17603-2951
Phone: 717-740-4100

Book an Appointment with Ajit Jason John

To schedule an appointment, contact Ajit Jason John at 333 Harrisburg Ave, Lancaster, Pennsylvania or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Ajit Jason John:

Ajit Jason John is a psychiatrist specializing in Psychiatry. He specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Yes, Ajit Jason John is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.
*Availability may change. Please contact the office directly to ask about appointments.

Ajit Jason John practices at 333 Harrisburg Ave, Lancaster, Pennsylvania, 17603-2951.

To schedule an appointment with Ajit Jason John, please contact the office at 717-740-4100.

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