Your NRG care team
U.S. based providers. Personalized care.
Every NRG patient is evaluated and treated by a licensed clinician. Here is who they are and where each is licensed.
Dr. Daniel Bryan, MD
Medical Director
Daniel M. Bryan, MD, is NRG Clinic's Medical Director, a board-certified anesthesiologist and fellowship-trained interventional pain specialist. He oversees evidence-based protocols for hormone optimization, peptide therapies and age management, with a patient-first focus on safety and clear outcomes.
Licensed in Arizona, California, Colorado, Delaware, Florida, Illinois, Kansas, Maryland, North Carolina, Nevada, Ohio, Oregon, Pennsylvania, Tennessee, Texas, Utah, Virginia, Vermont
Alyza Sunny, APRN
Family Nurse Practitioner
Alyza is a family nurse practitioner and NRG Clinic's nurse manager. She evaluates and treats men and women for hormone optimization and leads the clinical team day to day.
Licensed in Colorado, Delaware, Florida, Illinois, North Carolina, Ohio, Texas, Vermont
Christina Manis, ARNP
Advanced Registered Nurse Practitioner
Christina is an advanced registered nurse practitioner who cares for NRG patients in Arizona, California and Nevada, with a focus on hormone optimization and ongoing follow-up.
Licensed in Arizona, California, Nevada
Hannah Tiberi, ARNP
Advanced Registered Nurse Practitioner
Hannah is an advanced registered nurse practitioner who evaluates and treats NRG patients in Florida and Ohio for hormone optimization, weight management and peptide therapy.
Licensed in Florida, Ohio
Claudia Guzman, PA-C
Physician Assistant
Claudia is a physician assistant who works under the supervision of Dr. Bryan and cares for NRG patients in California, Colorado, Florida and Pennsylvania.
Licensed in California, Colorado, Florida, Pennsylvania
Emily Osisek, APRN
Family Nurse Practitioner
Emily is a family nurse practitioner licensed in thirteen states. She evaluates and treats NRG patients for hormone optimization, weight management and peptide therapy.
Licensed in Arizona, California, Delaware, Florida, Illinois, Kansas, Maryland, Oregon, Pennsylvania, Tennessee, Utah, Virginia, Vermont
Start with a conversation.Book your Intake Call
Fifteen minutes with a hormone specialist to review your symptoms, labs and options.