Gregory Sullivan is a Psychiatry physician. ClinicalTrials.gov lists 3 registered studies matched to this name.
Overview
Scholarship
indexed output and impact (OpenAlex)Research metrics aren't shown for this record. Either we found no confident publication match for this name, or more than one physician shares the matched author record. We'd rather show nothing than someone else's numbers. Why? →
Clinical & industry
trials, payments and federal fundingContact
The practice address and phone this provider lists in the federal NPPES (CMS) registry.
Practice address
13000 Bruce B Downs Blvd
Tampa, FL 336124745
Telephone
813-972-2000Provider last certified this registry record 20 Jan 2026.
Clinical trials
- Comparing Efficacy & Safety Of TNX-1300 To Placebo With UC For Treatment Of Acute Cocaine Intoxication In ED Subjects (CATALYST)
Sponsor: Tonix Pharmaceuticals, Inc.
- Study to Evaluate TNX-601 ER Monotherapy Versus Placebo in Patients With Major Depressive Disorder (MDD)
Sponsor: Tonix Pharmaceuticals, Inc.
- A Study to Evaluate the Efficacy and Safety of TNX-1900 in Patients With Chronic Migraine
Sponsor: Tonix Pharmaceuticals, Inc.
Registered studies on ClinicalTrials.gov where the overall official or a site investigator name-matches this physician, confirmed against known institution/geography. Latest few shown; the full list is part of the full profile.
Industry payments
1 company reported payments to CMS in program years 2021 onward. These are public disclosures, not judgments. The latest:
- Otsuka America Pharmaceutical, Inc.Program year20241 payment
Payment records matched to this physician's NPI in CMS Open Payments, program years 2021 onward.
Similar KOLs
Other experts from the same institution or the same specialty.
Philip Scheltens
Inserm
Rafael Tabarés‐Seisdedos
Universitat de València
Nick C. Fox
UK Dementia Research Institute
Perminder S. Sachdev
Department of Health and Aged Care
A basic profile from our physician directory: identity and practice contact from the federal NPPES registry, research from OpenAlex, trials from ClinicalTrials.gov, payments from CMS Open Payments — shown itemized where we have matched records, as a count where we only have a total. This person hasn't been through our full identity-adjudication pipeline yet, so funding, congress activity and public presence aren't shown. Absence of a section means “not yet looked,” never “none found.”