Psychologist | General Psychology | 41+ years experience

Dr. Andrew Hahn, PSY.D

115 Worcester Ln, Waltham, Massachusetts, 02451-7538

About Dr. Andrew Hahn

Dr. Andrew Hahn is a psychologist based in Waltham, Massachusetts with 41 years of experience in General Psychology. He completed his graduation in 1985. 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. Andrew Hahn is PY4357-PR for General Psychology in Massachusetts. His current practice location is 115 Worcester Ln, Waltham. Patients can contact him at 781-274-6633 or can fax him at 781-274-6644. Dr. Andrew Hahn, PSY.D, specializes in General Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1679620389.

Dr. Andrew Hahn is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, he performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. He can diagnose and treat mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability by psycheducational evaluation, therapy, remediation, and consultation.

Practice Information

Dr. Andrew Hahn'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. Andrew Hahn
Specialization General Psychology
Credentials PSY.D
Accepts Medicare Assignment Yes
Experience 41+ years
Graduation Year 1985
Gender Male
Practice Address: 115 Worcester Ln,
Waltham, MA - 02451-7538
Fax 781-274-6644

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 8628231867
Enrollment ID I20120525000060
NPI Number1679620389
NPI Enumeration Date: 04 Jan, 2007
NPI Last Update On: 21 Nov, 2017

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. Andrew Hahn are as mentioned below.

License NumberSpecializationStateStatus
PY4357-PRGeneral Psychology MassachusettsPrimary

Other Medical Identifiers

Other professional identifiers associated with Dr. Andrew Hahn such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
142390OtherMassachusettsMAGELLAN BEHAVIORAL HEALT
008775OtherMassachusettsVALUE OPTIONS
W04346OtherMassachusettsBLUE CROSS BLUE SHIELD

Mailing Address

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

Dr. Andrew Hahn
115 Worcester Ln,
Waltham, MA - 02451-7538
Phone: 781-891-7448

Book an Appointment with Dr. Andrew Hahn

To schedule an appointment, contact Dr. Andrew Hahn at 115 Worcester Ln, Waltham, Massachusetts or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Andrew Hahn:

Dr. Andrew Hahn is a psychologist specializing in General Psychology. He is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, he performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. He can diagnose and treat mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability by psycheducational evaluation, therapy, remediation, and consultation.

Dr. Andrew Hahn has approximately 41 years of experience in General Psychology.

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

Yes, Dr. Andrew Hahn 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. Andrew Hahn practices at 115 Worcester Ln, Waltham, Massachusetts, 02451-7538.

To schedule an appointment with Dr. Andrew Hahn, please contact the office at 781-274-6633.

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