Dr. John William Allen
PSY.D. | Clinical Psychologist | 22+ years Exp
4055 W Peterson Ave, Suite 201, Chicago
Illinois, 60646-6182
773-478-2982 773-478-8105
Maps & DirectionsDr. John William Allen is a Chicago, Illinois based psychologist with 22 years of experience in Clinical Psychology. He completed his graduation in 2004. He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. His current practice location is 4055 W Peterson Ave, Suite 201, Chicago. Patients can reach him at 773-478-2982 or can fax him at 773-478-8105. Dr. John William Allen is PSY.D. in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1609044080.
Dr. John William Allen 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 William Allen 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 William Allen |
| Specialization: | Clinical Psychology |
| Gender: | Male |
| Credentials: | PSY.D. |
| Experience: | 22+ years |
| Medical School Attended: | Other |
| Graduation Year: | 2004 |
| Accepts Medicare Assignment: | Yes |
| Practice Address: | 4055 W Peterson Ave, Suite 201, Chicago,
Illinois, 60646-6182 |
| Phone: | 773-478-2982 |
| Fax: | 773-478-8105 |
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.
| PAC ID: | 2264585504 |
| Enrollment ID: | I20090804000072 |
| NPI Number: | 1609044080 |
| NPI Enumeration Date: | 19 Feb, 2008 |
| NPI Last Update On: | 19 Feb, 2008 |
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 William Allen
4055 W Peterson Ave, Suite 201
Chicago, Illinois |
| Zip: | 60646-6182 |
| Phone Number: | 773-478-2982 |
| Fax Number: | 773-478-8105 |
Patients can reach Dr. John William Allen at
4055 W Peterson Ave, Suite 201, Chicago, Illinois or can
call to book an appointment on 773-478-2982.
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Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 09 February, 2026.