Psychologist | General Psychology

Theodore Alan Sinnaeve, LLP

5303 S Cedar St, Ste 219, Lansing, Michigan, 48911-3800

About Theodore Alan Sinnaeve

Theodore Alan Sinnaeve is a psychologist based in Lansing, Michigan who is specialized in General Psychology. Active license number of Theodore Alan Sinnaeve is 6301012911 for General Psychology in Michigan. His current practice location is 5303 S Cedar St, Ste 219, Lansing. Patients can contact him at 517-346-8248 or can fax him at 517-346-8291. Theodore Alan Sinnaeve, LLP, specializes in General Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1003867680.

Theodore Alan Sinnaeve 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

Theodore Alan Sinnaeve'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 Theodore Alan Sinnaeve
Specialization General Psychology
Credentials LLP
Gender Male
Practice Address: 5303 S Cedar St, Ste 219
Lansing, MI - 48911-3800
Fax 517-346-8291

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 Number1003867680
NPI Enumeration Date: 16 May, 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 Theodore Alan Sinnaeve are as mentioned below.

License NumberSpecializationStateStatus
6301012911General Psychology MichiganPrimary

Mailing Address

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

Theodore Alan Sinnaeve
812 E Jolly Rd, Ste 210
Lansing, MI - 48910-6818
Phone: 517-346-8410
Fax: 517-346-8291

Book an Appointment with Theodore Alan Sinnaeve

To schedule an appointment, contact Theodore Alan Sinnaeve at 5303 S Cedar St, Ste 219, Lansing, Michigan or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Theodore Alan Sinnaeve:

Theodore Alan Sinnaeve 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.

Yes, Theodore Alan Sinnaeve 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.

Theodore Alan Sinnaeve practices at 5303 S Cedar St, Ste 219, Lansing, Michigan, 48911-3800.

To schedule an appointment with Theodore Alan Sinnaeve, please contact the office at 517-346-8248.

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