Psychologist | General Psychology | 24+ years experience

Matthew A Stack, PA C

121 N Pine River St, Ithaca, Michigan, 48847-1039

About Matthew A Stack

Matthew A Stack is a psychologist based in Ithaca, Michigan with 24 years of experience in General Psychology. He completed his graduation in 2002. 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 Matthew A Stack is 5601003961 for Psychology in Michigan. His current practice location is 121 N Pine River St, Ithaca. Patients can contact him at 989-287-0662. Matthew A Stack, PA C, specializes in General Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1033108667.

Matthew A Stack 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

Matthew A Stack'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 Matthew A Stack
Specialization General Psychology
Credentials PA C
Accepts Medicare Assignment Yes
Experience 24+ years
Graduation Year 2002
Gender Male
Practice Address: 121 N Pine River St,
Ithaca, MI - 48847-1039

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 4981896685
Enrollment ID I20101013000935
NPI Number1033108667
NPI Enumeration Date: 17 Oct, 2005
NPI Last Update On: 05 Feb, 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 Matthew A Stack are as mentioned below.

License NumberSpecializationStateStatus
5601003961Psychology MichiganPrimary
6301007939General Psychology MichiganSecondary
Physician Assistant Secondary
2782Physician Assistant ArizonaSecondary

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
(230030)Alma, MIAcute 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 Matthew A Stack is associated with along with the number of members in that group.
Organization Name (Group PAC ID) Members
Midmichigan Medical Center-gratiot (3375451404)91

Other Medical Identifiers

Other professional identifiers associated with Matthew A Stack such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
P00140431OtherArizonaRAILROAD
0852900260OtherMichiganBCBSM
762246MedicaidArizona
50155318OtherNew MexicoMEDICAID

Mailing Address

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

Matthew A Stack
121 N Pine River St,
Ithaca, MI - 48847-1039
Phone: 989-287-0662
Fax: 989-629-8145

Book an Appointment with Matthew A Stack

To schedule an appointment, contact Matthew A Stack at 121 N Pine River St, Ithaca, Michigan or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Matthew A Stack:

Matthew A Stack is a psychologist specializing in 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.

Matthew A Stack has approximately 24 years of experience in Psychology.

Yes, Matthew A Stack accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, Matthew A Stack 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.

Matthew A Stack practices at 121 N Pine River St, Ithaca, Michigan, 48847-1039.

To schedule an appointment with Matthew A Stack, please contact the office at 989-287-0662.

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