Dr. James Mikolajczak is a Clayton, Missouri based psychiatrist with 53 years of experience in Psychiatry. He completed his graduation from Saint Louis University School Of Medicine in 1972. He may accept the Medicare-approved amount. Patients may be billed for more than the Medicare deductible and coinsurance. Active license number of Dr. James Mikolajczak is 34665 for Child & Adolescent in Missouri. His current practice location is 141 N Meramec Ave, Clayton. Patients can reach him at 314-726-1666. Dr. James Mikolajczak is M.D. in Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1760502207.
Dr. James Mikolajczak 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.
Complete Profile:
Dr. James Mikolajczak 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. James Mikolajczak |
| Specialization: | Psychiatry |
| Gender: | Male |
| Credentials: | M.D. |
| Accepts Medicare Assignment: | May Accept |
| Practice Address: | 141 N Meramec Ave, Clayton,
Missouri, 63105-3750 |
| Phone: | 314-726-1666 |
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: | 8224120266 |
| Enrollment ID: | I20070822001340 |
| NPI Number: | 1760502207 |
| NPI Enumeration Date: | 29 Mar, 2007 |
| NPI Last Update On: | 11 Sep, 2025 |
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. James Mikolajczak are as mentioned below.
| License Number | Specialization | State | Status | |
| 34665 | Child & Adolescent | Missouri | Primary | |
| 34665 | Psychiatry | Missouri | Secondary | |
| 34665 | Geriatric | Missouri | Secondary | |
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. James Mikolajczak
141 N Meramec Ave,
Clayton, Missouri |
| Zip: | 63105-3750 |
Patients can reach Dr. James Mikolajczak at
141 N Meramec Ave, Clayton, Missouri or can
call to book an appointment on 314-726-1666.
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Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 08 December, 2025.