Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. John Elias Marcellus, MD

Individual provider Psychiatry Physician · NPI 1972647352

Dr. John Elias Marcellus, MD is a Psychiatry in Houston, Texas. Graduated from University of Mississippi School of Medicine in 1992, 34 years ago. Practices as a sole proprietor, accepts Medicare assignment and offers telehealth. Licensed in Texas.

Years since qualifying
34
Trained at
University of Mississippi School of Medicine
Licensed in
TX
In the registry since
2007
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

4888 Loop Central Dr Ste 510
Houston, TX 77081-2214
Phone: (713) 346-1542
Fax: (713) 346-1577
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence J4325 (TX)
Child & Adolescent Psychiatry Physician Taxonomy 2084P0804X · Licence J4325 (TX)

Record details

NPI number1972647352
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedFebruary 18, 2007
Last updated in NPPESJuly 20, 2010

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPSYCHIATRY
Medical schoolUNIVERSITY OF MISSISSIPPI SCHOOL OF MEDICINE
Graduated 1992 (34 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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