Dr. Gregory Peter Cejas
MD | Psychiatry
4444 Forest Park Ave, Ste 2600, Saint Louis
Missouri, 63108-2212
314-286-1700 314-286-1730
Maps & DirectionsDr. Gregory Peter Cejas is a Saint Louis, Missouri based psychiatrist who is specialized in Psychiatry. Active license number of Dr. Gregory Peter Cejas is 2019022607 for Psychiatry in Missouri. His current practice location is 4444 Forest Park Ave, Ste 2600, Saint Louis. Patients can reach him at 314-286-1700 or can fax him at 314-286-1730. Dr. Gregory Peter Cejas is MD in Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1225558802.
Dr. Gregory Peter Cejas 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. Gregory Peter Cejas 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. Gregory Peter Cejas |
| Specialization: | Psychiatry |
| Gender: | Male |
| Credentials: | MD |
| Practice Address: | 4444 Forest Park Ave, Ste 2600, Saint Louis,
Missouri, 63108-2212 |
| Phone: | 314-286-1700 |
| Fax: | 314-286-1730 |
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: | 1225558802 |
| NPI Enumeration Date: | 23 Jun, 2017 |
| NPI Last Update On: | 15 Apr, 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. Gregory Peter Cejas are as mentioned below.
| License Number | Specialization | State | Status | |
| 2019022607 | Psychiatry | Missouri | Primary | |
Other Medical Identifiers:
Other legacy medical identifiers associated with Dr. Gregory Peter Cejas such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
| Identifier | Type | State | Issuer |
| 200061871 | Medicaid | Missouri | |
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. Gregory Peter Cejas
Po Box 7412011,
Chicago, Illinois |
| Zip: | 60674-2011 |
| Phone Number: | 314-286-1700 |
| Fax Number: | 314-286-1730 |
Patients can reach Dr. Gregory Peter Cejas at
4444 Forest Park Ave, Ste 2600, Saint Louis, Missouri or can
call to book an appointment on 314-286-1700.
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Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 08 December, 2025.