Dr. Mervin Nigel Leader is a Fairfield, Illinois based psychiatrist who is specialized in Psychiatry. Active license number of Dr. Mervin Nigel Leader is 036163562 for Psychiatry in Illinois. His current practice location is 844 County Road 2150 E, Fairfield. Patients can reach him at 479-259-8855 or can fax him at 870-364-9774. Dr. Mervin Nigel Leader is M.D. in Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1255522611.
Dr. Mervin Nigel Leader 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. Mervin Nigel Leader 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. Mervin Nigel Leader |
| Specialization: | Psychiatry |
| Gender: | Male |
| Credentials: | M.D. |
| Practice Address: | 844 County Road 2150 E, Fairfield,
Illinois, 62837-2823 |
| Phone: | 479-259-8855 |
| Fax: | 870-364-9774 |
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: | 1255522611 |
| NPI Enumeration Date: | 09 Aug, 2007 |
| NPI Last Update On: | 10 Feb, 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. Mervin Nigel Leader are as mentioned below.
| License Number | Specialization | State | Status | |
| 036163562 | Psychiatry | Illinois | Primary | |
| E-5515 | Psychiatry | Arkansas | 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. Mervin Nigel Leader
303 Nw 11th St,
Fairfield, Illinois |
| Zip: | 62837-1203 |
| Phone Number: | 618-842-4617 |
| Fax Number: | 618-847-8387 |
Patients can reach Dr. Mervin Nigel Leader at
844 County Road 2150 E, Fairfield, Illinois or can
call to book an appointment on 479-259-8855.
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Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 08 December, 2025.