Psychiatrist | 28+ years experience

William Louis Schneider, NP-C, RN

26 Central St, Somerville, Massachusetts, 02143-2827

About William Louis Schneider

William Louis Schneider is a psychiatrist based in Somerville, Massachusetts with 28 years of experience in Psychiatry. He completed his graduation in 1998. 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 William Louis Schneider is F0898362 for Psychiatry in Massachusetts. His current practice location is 26 Central St, Somerville. Patients can contact him at 617-591-6454 or can fax him at 617-591-6405. William Louis Schneider, NP-C, RN, specializes in Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1952466740.

William Louis Schneider 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

William Louis Schneider'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 William Louis Schneider
Specialization Psychiatry
Credentials NP-C, RN
Accepts Medicare Assignment Yes
Experience 28+ years
Graduation Year 1998
Gender Male
Practice Address: 26 Central St,
Somerville, MA - 02143-2827
Fax 617-591-6405

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 6709921398
Enrollment ID I20100308000251
NPI Number1952466740
NPI Enumeration Date: 22 Dec, 2006
NPI Last Update On: 31 Jul, 2026

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 William Louis Schneider are as mentioned below.

License NumberSpecializationStateStatus
F0898362Psychiatry MassachusettsPrimary
202114Psychiatry MassachusettsSecondary
202114Registered Nurse MassachusettsSecondary

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
(220011)Cambridge, MAAcute 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 William Louis Schneider is associated with along with the number of members in that group.
Organization Name (Group PAC ID) Members
Cambridge Public Health Commission (8921910894)527

Mailing Address

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

William Louis Schneider
26 Central St,
Somerville, MA - 02143-2827
Phone: 617-591-6454
Fax: 617-591-6405

Book an Appointment with William Louis Schneider

To schedule an appointment, contact William Louis Schneider at 26 Central St, Somerville, Massachusetts or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about William Louis Schneider:

William Louis Schneider 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.

William Louis Schneider has approximately 28 years of experience in Psychiatry.

Yes, William Louis Schneider accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, William Louis Schneider 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.

William Louis Schneider practices at 26 Central St, Somerville, Massachusetts, 02143-2827.

To schedule an appointment with William Louis Schneider, please contact the office at 617-591-6454.

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