NPHC Staff

Owner / Primary Physician / Medical Director

  • Mitzie Hewitt, DO, CPI

Mitzie J. Hewitt, DO, CPI is a board certified family practitioner residing in Traverse City, Michigan and has practiced Family Medicine in Northern Rural Michigan for 18 years. She is the owner and Medical Director of Northern Pines Health Center. Dr. Hewitt earned her Bachelor’s in Science at the University of Michigan, and then attended Michigan State University’s College of Osteopathic Medicine for her medical degree. She was a National Health Corp Scholar who went on to build her career within the same community that she served her scholarship obligation. Dr. Hewitt is also a certified Physician Investigator and enjoys participation in phase II-IV pharmaceutical research with her research team at Northern Pines Health Center.

Physician Assistants

Heidi Fite, MPA, PA-C

Heidi received her Bachelors degree in Dietetics from Michigan State University, East Lansing, MI, and her Master of Physician Assistant from Medical College of Georgia, Augusta, GA. Heidi is a registered dietitian and is nationally certified as a physician assistant.

Kori Marvin, PA-C

Kori received his Master of Science degree from Central Michigan University in Mount Pleasant, MI. Kori is a nationally certified physician assistant. Kori comes to us with 4 years experience from an Urgent care which we think will be very beneficial to our practice. He resides in Cadillac with his wife and two cats, Archie and Hester.

Care Manager

  • April Marsh, RN

Practice Manager

  • Keisha Sexton, BBA, CMM

Administrative Assistant

  • Ashley

Clinical Staff

  • Megan

  • Dawn

  • Stacie

  • Erika

  • Hailey

Office Staff

  • Donelle

  • Brandie

  • Lainey

Research Division

  • Karla Blackmer, CCRC

  • Lydia Baker, CCRC


Northern Pines Health Center, PC

11293 N M-37
Suite A
Buckley, MI   49620

Phone: (231) 269-4185
Fax: (231) 269-4461

Office Hours

Monday - Friday 7:30 am - 5:00 pm
Saturday - Sunday  Closed 

Acute Walk-ins

Monday - Friday
11:00 - 11:45 am
4:00 - 4:45 pm

24 Hour Care

For non-emergency care outside normal business hours, please call 231-269-4185 and leave a message. You may also have the NPHC physician-on-call paged by contacting our after-hours call service vendor at 231-261-8934.

In cases of emergency, please visit the nearest emergency room or call 911.