Psychiatrist | 41+ years experience

Dr. Michael Marceau, MD

1100 Grampian Blvd, Williamsport, Pennsylvania, 17701-1909

About Dr. Michael Marceau

Dr. Michael Marceau is a psychiatrist based in Williamsport, Pennsylvania with 41 years of experience in Psychiatry. He completed his graduation from Saint Louis University School Of Medicine in 1985. He is also affiliated with hospitals like He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Dr. Michael Marceau is MD041583E for Psychiatry in Pennsylvania. His current practice location is 1100 Grampian Blvd, Williamsport. Patients can contact him at 570-320-7525 or can fax him at 570-320-7484. Dr. Michael Marceau, MD, specializes in Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1770545170.

Dr. Michael Marceau 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

Dr. Michael Marceau'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 Dr. Michael Marceau
Specialization Psychiatry
Credentials MD
Accepts Medicare Assignment Yes
Experience 41+ years
Medical School Attended Saint Louis University School Of Medicine
Graduation Year 1985
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 healthcare providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

PAC ID 5092840983
Enrollment ID I20100317000522
NPI Number1770545170
NPI Enumeration Date: 03 Apr, 2006
NPI Last Update On: 29 Feb, 2016

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 Dr. Michael Marceau are as mentioned below.

License NumberSpecializationStateStatus
MD041583EPsychiatry PennsylvaniaPrimary

Hospital Affiliation

Doctors are affiliated to many hospitals whom they worked with in the past or are presently working with. One doctor can be affiliated to four to five hospitals at a time.
Hospital Name (CCN) StateHospital Type
(390045)Williamsport, PAAcute Care Hospital

Group Practice

Group practices are practice of medicine by a group of healthcare professionals who share their premises and other resources. Following list states all the group name with which Dr. Michael Marceau is associated with along with the number of members in that group.
Organization Name (Group PAC ID) Members
Susquehanna Physician Services (2264336460)433

Other Medical Identifiers

Other professional identifiers associated with Dr. Michael Marceau such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
224146OtherPennsylvaniaVALUE OPTIONS
807821OtherPennsylvaniaFIRST PRIORITY HEALTH
855218OtherPennsylvaniaHIGHMARK BLUE SHIELD
0015691220002MedicaidPennsylvania

Mailing Address

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

Dr. Michael Marceau
1201 Grampian Blvd,
Williamsport, PA - 17701-1900

Book an Appointment with Dr. Michael Marceau

To schedule an appointment, contact Dr. Michael Marceau at 1100 Grampian Blvd, Williamsport, Pennsylvania or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Michael Marceau:

Dr. Michael Marceau 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.

Dr. Michael Marceau completed his education (MD) from Saint Louis University School Of Medicine in 1985.

Dr. Michael Marceau has approximately 41 years of experience in Psychiatry.

Yes, Dr. Michael Marceau accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, Dr. Michael Marceau 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.

Dr. Michael Marceau practices at 1100 Grampian Blvd, Williamsport, Pennsylvania, 17701-1909.

To schedule an appointment with Dr. Michael Marceau, please contact the office at 570-320-7525.

Reviews & Feedback

Have you visited Dr. Michael Marceau? Share your experience to help others looking for a psychiatrist in Williamsport, PA.

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