Meet Our Staff
Amit Chandra, M.D.
- Undergraduate, University of Michigan
- Medical School, University of Michigan
- Residency in Internal Medicine, University of Cincinnati
- Fellowship in Pulmonary and Critical Care Medicine, University of Minnesota
- Board Certifications: Internal Medicine, Pulmonary Medicine, Critical Care Medicine, Sleep Medicine
Robert
Colbert, M.D.
- Undergraduate, University of Minnesota
- Medical School, University of Minnesota
- Residency in Internal Medicine, University of Wisconsin, Madison
- Fellowship in Pulmonary Medicine, University of Minnesota
- Board Certifications: Internal Medicine, Pulmonary Medicine, Critical Care Medicine

Deanna
Diebold, M.D.
- Undergraduate, University of Wisconsin, Madison
- Medical School, University of Minnesota
- Residency in Internal Medicine, University of Minnesota
- Fellowship in Pulmonary and Critical Care Medicine
- Board Certifications: Internal Medicine, Pulmonary Medicine, Critical Care Medicine, Sleep Medicine

Kristen Hasson, M.D.
- Undergraduate, University of Wisconsin - Madison
- Medical School, University of Wisconsin
- Residency in Internal Medicine, Hennepin County Medical Center
- Fellowship in Sleep, Pulmonary and Critical Care Medicine, University of Utah
- Board Certifications: Internal Medicine, Pulmonary and Critical Care
- Board Eligible: Sleep Medicine
Jay Hudson, M.D.
- Undergraduate, Harvard University
- Medical School, Royal College of Surgeons in Ireland
- Residency, Hennepin County Medical Center
- Fellowship, Critical Care Medicine: HCMC
- Pulmonary & Critical Care: Mayo Clinic
- Board Certifications: Internal Medicine, Pulmonary Diseases, Critical Care Medicine
Madhu Kannapiran, M.D.
- Undergraduate, Wesleyan University- Middletown Connecticut
- Medical School, Ohio State University
- Residency in Internal Medicine, Hennepin County Medical Center
- Fellowship in Pulmonary and Critical Care Medicine, University of Minnesota
- Board Certifications: Internal Medicine
- Board Certified: Pulmonary and Critical Care Medicine
Amy Knopke-Mooney, M.D.
- Undergraduate, University of St. Thomas
- Medical School, University of Minnesota
- Residency in Internal Medicine, Hennepin County Medical Center
- Fellowship in Pulmonary and Critical Care Medicine, University of Minnesota
- Board Certifications: Internal Medicine, Pulmonary Medicine, Critical Care Medicine, Sleep Medicine
Trisha Shamp PA-C
- Undergraduate, Creighton University
- Masters, University of Nebraska Medical Center
- PhD, University of Nebraska Medical Center
- PA-C, Augsburg College
- Certifications, NCCPA, NCCPA Surgical PA
Andrew Vaaler, M.D.
- Undergraduate, Carleton College
- Medical School, University of Minnesota
- Residency in Internal Medicine, Hennepin County Medical Center
- Fellowship in Pulmonary Medicine, National Naval Medical Center
- Fellowship in Critical Care Medicine, Hennepin County Medical Center
- Board Certifications: Internal Medicine, Pulmonary Medicine, Critical Care Medicine, Sleep Medicine
- Co-Medical Director, North Memorial Sleep Health Center
Ranji Varghese, M.D.
- Undergraduate, University of California, Irvine
- Medical School, University of California, Irvine
- Residency in Psychiatry, Mayo Clinic, Rochester, Chief Resident
- Fellowship in Sleep Medicine, Mayo Clinic, Rochester
- Board Certifications: Psychiatry, Sleep Medicine
- Co-Medical Director, North Memorial Sleep Health Center
Norman Yunis, M.D.
- Undergraduate, Northwestern University
- Medical School, St. Louis University
- Residency in Internal Medicine, Cleveland Metropolitan General Hospital
- Residency in Infectious Disease, Cleveland Metropolitan General Hospital
- Residency in Pulmonary Medicine, Cleveland Metropolitan General Hospital
- Board Certifications: Internal Medicine, Pulmonary Medicine
Holley Gullickson RN, MS, CNP
- Undergraduate, University of Wisconsin, Eau Claire
- Master of Science, University of Minnesota
- Registered Nurse, Minnesota Board of Nursing
- Certified Family Nurse Practitioner, American Nurses Credentialing Center
Kristen Conner, RN, MS, CNP
- Undergraduate, North Dakota State University
- Master of Science, Rush University
- Registered Nurse, Minnesota Board of Nursing
- Certified Emergency Nurse
- Certified Acute Care Nurse Practitioner, American Nurses Credentialing Center
Lori Richards, RN
- LPN, Brainerd Technical College
- Undergraduate, College of St. Catherine
- RN AASN Excelsior College
