Central Minnesota Sleep Specialists, PLC
Pulmonary and Sleep Medicine

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Todd M. Greatens, MD


Central Minnesota Sleep Specialists, PLC, Baxter Minnesota
Sleep Center of Central Minnesota, Baxter Minnesota

Inpatient Consultations and Pulmonary Services at St. Joseph’s Hospital, Brainerd, Minnesota

Central Lakes Medial Center, Crosby Minnesota

Outreach Clinic at Tri-County Hospital, Wadena Medical Clinic


Medical Director for Sleep Center of Central Minnesota, 7/2008 to present

Central Lakes Medical Clinic, 2006- present.   Provide Outpatient Pulmonary and Sleep Consultations.  Provide inpatient consultations at Cuyuna Hospital, Crosby, MN.

Medical Director of Brainerd Lakes Sleep Health Center, 7/2003-6/2007
Brainerd Medical Center, PA     July 1996- July 2007 (sabbatical 8/15/02-1/31/03)
Served as Pulmonary and Sleep Medicine physician, providing inpatient and outpatient services for a forty-plus physician group.

Minnesota Regional Sleep Disorders Center at Hennepin County Medical Center.  Served as Junior Staff Physician and Sleep Fellow from 8/15/02 to   1/31/03, under the direction of Dr. Mark Mahowald. 

Pulmonary and Critical Fellow at the University of Minnesota (7/1/1993 to 6/30/1996).  This time was spent as a clinical fellow at various hospitals and research fellow at the Minneapolis Veterans Hospital under the direction of Dr. Dennis Niewoehner. 

Instructor of Medicine, Dept. of Internal Medicine at the University of Minnesota Hospital and Clinics (7/1/1992 to 6/30/1993).  Provided care in the outpatient medicine department and Emergency Department.

Internal Medicine Residency and Internship July 1989-June 1992
University of Minnesota Hospital and Clinics


Board Certified in Pulmonary Medicine      November 1996
Recertification Pulmonary Medicine           November 2006
Board Certified in Internal Medicine           November 1992
Board Recertification Internal   Medicine    November 2002
Board Certified in Sleep Medicine through Americian Board Of Internal Medicine, November 2009
Recertification for Internal Medicine, 2002, and 2012

Diplomate of the American Board of Sleep Medicine    March 2004

State Of Minnesota Medical License Renewed each year since 1992


St. Joseph's Hospital, Brainerd Minnesota
Cuyuna Regional Medical Center
Tricounty Hospital, Wadena Minnesota

Medical Doctor  June 1989
University of Wisconsin Medical School, Madison, Wisconsin

B.S. Electrical Engineering,  June 1985
Marquette University, Milwaukee, Wisconsin

High School Diploma    June 1981
Preble High School, Green Bay, Wisconsin

Medicine Service Chair, St. Joseph's Hospital, Brainerd, MN 1/2002-2005
Executive Committee, Brainerd Medical Center, PA  2/1/2004-11/2006
Quality Assurance Committee, Brainerd Medical Center, PA 1996- 11/2006

American Academy of Sleep Medicine


Greatens TM, Niehans GA, Rubins JB, Jesserun J, Kratzke RA, Maddaus MA, Niewoehner DE: Do molecular markers predict survival in non-small cell lung cancer: Amer J of Resp and Crit Care, 157:1093-1097
Rubins JB, Greatens TM, Kratzke RA, Polunovsky VA, Bitterman P: Lovastatin induces apoptosis in malignant mesothelioma cells. Amer Jour of Resp and Crit Care Med 157:1616-1622
Kratzke RA, Greatens TM, Rubins JB, Maddaus MA, Niewoehner DE, Niehans GA, Geradts J: RB and p16INK4 expression in resected non-small cell lung tumors. Cancer Res. 56:3415-3420


13495 Elder Drive, Suite 110 Baxter, MN 56425

218-454-0104 or Toll Free at 888-481-3652

Monday - Friday 8:00 am to 4:00 pm