Mental Health Therapist

Sean Macmillen, LPC

1100 Grampian Blvd, Williamsport, Pennsylvania, 17701-1909

About Sean Macmillen

Sean Macmillen is a therapist based in Williamsport, Pennsylvania who is specialized in Mental Health Counselor. His current practice location is 1100 Grampian Blvd, Williamsport. Patients can reach him at 570-320-7525 or can fax him at 570-320-7484. Sean Macmillen is LPC in Mental Health Counselor and his NPI number (Unique professional ID assigned by NPPES) is 1528446259.

Sean Macmillen is a licensed professional who helps individuals, couples, and families manage and overcome emotional, psychological, and behavioral challenges. He 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

Sean Macmillen 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 Sean Macmillen
Specialization Mental Health Counselor
Credentials LPC
Gender Male
Practice Address: 1100 Grampian Blvd,
Williamsport, PA - 17701-1909
Fax 570-320-7484

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 Number1528446259
NPI Enumeration Date: 14 May, 2015
NPI Last Update On: 15 Aug, 2017

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 Sean Macmillen are as mentioned below.

License NumberSpecializationStateStatus
Mental Health Counselor Primary

Mailing Address

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

Sean Macmillen
1201 Grampian Blvd,
Williamsport, PA - 17701-1900

Book an Appointment with Sean Macmillen

To schedule an appointment, contact Sean Macmillen at 1100 Grampian Blvd, Williamsport, Pennsylvania or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Sean Macmillen:

Sean Macmillen is a therapist specializing in Mental Health Counselor. He is a licensed professional who helps individuals, couples, and families manage and overcome emotional, psychological, and behavioral challenges. He 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, Sean Macmillen is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

Sean Macmillen practices at 1100 Grampian Blvd, Williamsport, Pennsylvania, 17701-1909.

To schedule an appointment with Sean Macmillen, please contact the office at 570-320-7525.

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