Psychiatrist | 27+ years experience

Joseph Mullen, D.O.

1239 Windham Pkwy, Romeoville, Illinois, 60446-1608

About Joseph Mullen

Joseph Mullen is a psychiatrist based in Romeoville, Illinois with 27 years of experience in Psychiatry. He completed his graduation from Michigan State University College Of Human Medicine in 1999. He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Joseph Mullen is 036.122951 for Psychiatry in Illinois. His current practice location is 1239 Windham Pkwy, Romeoville. Patients can contact him at 815-942-6323 or can fax him at 779-210-5541. Joseph Mullen, D.O., specializes in Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1972778801.

Joseph Mullen specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Practice Information

Joseph Mullen'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 Joseph Mullen
Specialization Psychiatry
Credentials D.O.
Accepts Medicare Assignment Yes
Experience 27+ years
Medical School Attended Michigan State University College Of Human Medicine
Graduation Year 1999
Gender Male
Practice Address: 1239 Windham Pkwy,
Romeoville, IL - 60446-1608
Fax 779-210-5541

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 0941288989
Enrollment ID I20100730000396
NPI Number1972778801
NPI Enumeration Date: 22 Apr, 2008
NPI Last Update On: 24 May, 2023

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 Joseph Mullen are as mentioned below.

License NumberSpecializationStateStatus
036.122951Psychiatry IllinoisPrimary

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 Joseph Mullen is associated with along with the number of members in that group.
Organization Name (Group PAC ID) Members
Dupage Medical Group (5496667941)1241

Mailing Address

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

Joseph Mullen
Po Box 713260,
Chicago, IL - 60677-0264
Phone: 630-469-9200

Book an Appointment with Joseph Mullen

To schedule an appointment, contact Joseph Mullen at 1239 Windham Pkwy, Romeoville, Illinois or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Joseph Mullen:

Joseph Mullen is a psychiatrist specializing in Psychiatry. He specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Joseph Mullen completed his education (D.O.) from Michigan State University College Of Human Medicine in 1999.

Joseph Mullen has approximately 27 years of experience in Psychiatry.

Yes, Joseph Mullen accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, Joseph Mullen 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.

Joseph Mullen practices at 1239 Windham Pkwy, Romeoville, Illinois, 60446-1608.

To schedule an appointment with Joseph Mullen, please contact the office at 815-942-6323.

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