Select Provider Name

Daniel A. Brenner, M.D.

Medical Director, CEO

Olga Pavleyeva, P.M.H.N.P

Nurse Practitioner and Infusion Nurse

Odessa Holt, MSW

Ketamine-assisted Psychotherapist

Alexandra K. Ellis, PA-C, MPAS, CPT, RYT-200

Physician Associate

Marielle Abell, PA-C

Physician Associate

Nicole Chaitman, AGNP-C, PMHNP-BC

Nurse Practitioner

© Copyright 2026, Cambridge Biotherapies