Dr. John E Mayer
PH.D. | Clinical Psychologist
55 E Washington St, 38th Floor, Chicago
Illinois, 60602-2103
312-917-1240 312-917-1010
Maps & DirectionsDr. John E Mayer is a Chicago, Illinois based psychologist who is specialized in Clinical Psychology. Active license number of Dr. John E Mayer is 071-02554 for Clinical Psychology in Illinois. His current practice location is 55 E Washington St, 38th Floor, Chicago. Patients can reach him at 312-917-1240 or can fax him at 312-917-1010. Dr. John E Mayer is PH.D. in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1790816841.
Dr. John E Mayer 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.
Complete Profile:
Dr. John E Mayer speciality, credentials, practice address, contact phone number and fax are as below.
Patients can call on the below given phone number for appointment.
| Name: | Dr. John E Mayer |
| Specialization: | Clinical Psychology |
| Gender: | Male |
| Credentials: | PH.D. |
| Practice Address: | 55 E Washington St, 38th Floor, Chicago,
Illinois, 60602-2103 |
| Phone: | 312-917-1240 |
| Fax: | 312-917-1010 |
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS).
NPI details are as mentioned below.
| NPI Number: | 1790816841 |
| NPI Enumeration Date: | 08 Mar, 2007 |
| NPI Last Update On: | 08 Jul, 2007 |
Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Dr. John E Mayer are as mentioned below.
| License Number | Specialization | State | Status | |
| 071-02554 | Clinical Psychology | Illinois | Primary | |
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | Dr. John E Mayer
55 E Washington St, 38th Floor
Chicago, Illinois |
| Zip: | 60602-2103 |
| Phone Number: | 312-917-1240 |
| Fax Number: | 312-917-1010 |
Patients can reach Dr. John E Mayer at
55 E Washington St, 38th Floor, Chicago, Illinois or can
call to book an appointment on 312-917-1240.
Comments/ Reviews:
Read all the reviews posted for Dr. John E Mayer below. You may also share your own experience with Dr. John E Mayer. Your feedback can help others make better decisions.
**
Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 08 December, 2025.