Psychologist | Clinical Psychology

Mr. Alan L Sieber, PHD

99 Church St, Lowell, Massachusetts, 01852-2621

About Mr. Alan L Sieber

Mr. Alan L Sieber is a psychologist based in Lowell, Massachusetts who is specialized in Clinical Psychology. Active license number of Mr. Alan L Sieber is 2941 for Clinical Psychology in Massachusetts. His current practice location is 99 Church St, Lowell. Patients can contact him at 978-458-6282 or can fax him at 978-441-9826. Mr. Alan L Sieber, PHD, specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1043252265.

Mr. Alan L Sieber is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). His main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that he can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Practice Information

Mr. Alan L Sieber'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 Mr. Alan L Sieber
Specialization Clinical Psychology
Credentials PHD
Gender Male
Practice Address: 99 Church St,
Lowell, MA - 01852-2621
Fax 978-441-9826

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 Number1043252265
NPI Enumeration Date: 12 Jun, 2006
NPI Last Update On: 13 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 Mr. Alan L Sieber are as mentioned below.

License NumberSpecializationStateStatus
2941Clinical Psychology MassachusettsPrimary

Mailing Address

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

Mr. Alan L Sieber
37 Pickman Dr,
Bedford, MA - 01730-1009
Phone: 781-276-1808

Book an Appointment with Mr. Alan L Sieber

To schedule an appointment, contact Mr. Alan L Sieber at 99 Church St, Lowell, Massachusetts or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Mr. Alan L Sieber:

Mr. Alan L Sieber is a psychologist specializing in Clinical Psychology. He is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). His main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that he can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Yes, Mr. Alan L Sieber 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.

Mr. Alan L Sieber practices at 99 Church St, Lowell, Massachusetts, 01852-2621.

To schedule an appointment with Mr. Alan L Sieber, please contact the office at 978-458-6282.

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