Psychiatrist | 30+ years experience

Dr. John Elias Marcellus, M.D.

4888 Loop Central Dr, Suite 510, Houston, Texas, 77081-2214

About Dr. John Elias Marcellus

Dr. John Elias Marcellus is a psychiatrist based in Houston, Texas with 30 years of experience in Psychiatry. He completed his graduation from Baylor College Of Medicine in 1996. He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Dr. John Elias Marcellus is J4325 for Psychiatry in Texas. His current practice location is 4888 Loop Central Dr, Suite 510, Houston. Patients can contact him at 713-346-1542 or can fax him at 713-346-1577. Dr. John Elias Marcellus, M.D., specializes in Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1972647352.

Dr. John Elias Marcellus 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

Dr. John Elias Marcellus'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 Dr. John Elias Marcellus
Specialization Psychiatry
Credentials M.D.
Accepts Medicare Assignment Yes
Experience 30+ years
Medical School Attended Baylor College Of Medicine
Graduation Year 1996
Gender Male
Practice Address: 4888 Loop Central Dr, Suite 510
Houston, TX - 77081-2214
Fax 713-346-1577

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 6608779327
Enrollment ID I20040129001216
NPI Number1972647352
NPI Enumeration Date: 18 Feb, 2007
NPI Last Update On: 20 Jul, 2010

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 Dr. John Elias Marcellus are as mentioned below.

License NumberSpecializationStateStatus
J4325Psychiatry TexasPrimary
J4325Child & Adolescent Psychiatry TexasSecondary

Mailing Address

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

Dr. John Elias Marcellus
4888 Loop Central Dr, Suite 510
Houston, TX - 77081-2214
Phone: 713-346-1542
Fax: 713-346-1577

Book an Appointment with Dr. John Elias Marcellus

To schedule an appointment, contact Dr. John Elias Marcellus at 4888 Loop Central Dr, Suite 510, Houston, Texas or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. John Elias Marcellus:

Dr. John Elias Marcellus 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.

Dr. John Elias Marcellus completed his education (M.D.) from Baylor College Of Medicine in 1996.

Dr. John Elias Marcellus has approximately 30 years of experience in Psychiatry.

Yes, Dr. John Elias Marcellus accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, Dr. John Elias Marcellus 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.

Dr. John Elias Marcellus practices at 4888 Loop Central Dr, Suite 510, Houston, Texas, 77081-2214.

To schedule an appointment with Dr. John Elias Marcellus, please contact the office at 713-346-1542.

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