Pediatrics & Internal Medicine



United Pediatrics and Internal Medicine Services provides comprehensive healthcare services to newborns, adolescents, adults, and seniors in Marlette and Deckerville. Malorie McVittie, MD is a native to Sanilac County and her approach to medicine is forming relationships with patients and parents and being a health advocate through patient-centered care. Listening to concerns, offering evidence-based advice, and educating on disease processes.

Malorie McVittie, MD

Office Hours
Marlette Location:
Tuesday:  8 a.m. – 5 p.m.
Thursday:  8 a.m. – 5 p.m.

Deckerville Location:
Monday:  8 a.m. – 6 p.m.
Wednesday:  8 a.m. – 4:30 p.m.
Friday:  8 a.m. – 12 p.m.

Hours may vary in observance of holidays. Please call the office to verify hours of operation.

Same-day appointments are accepted. To schedule an appointment, please call 810-376-2885.

Our office specializes in pediatric and internal medicine, serving patients of all ages.

The following services are available for newborn to adolescents:

  • General pediatrics.
  • Treatment for acute health problems.
  • Urgent minor injuries.
  • Wellness check-ups.
  • School and sports physicals.
  • Newborn care.
  • Immunizations.
  • Vaccinations.
  • Minor diagnostic testing and more.

The following services are available for adults:

  • Comprehensive care for adults and seniors.
  • Wellness visits.
  • Employment and insurance physical exams.
  • Treatment for chronic health problems.
  • Treatment for acute health problems.
  • Preventive medicine.
  • Referrals to specialty providers/care.
  • Medication management.
  • Immunizations.
  • Allergy injections.
  • Blood draws for testing.
  • Minor diagnostic testing.
  • Minor surgical procedures and more.

Payment is expected at the time of service; this includes co-pays and deductibles. We accept cash, checks*, and VISA, MasterCard, or Discover credit cards [*Please note: A $25 non-sufficient fund charge is placed on all returned checks].  We would be happy to discuss our fees and payment policies with you.

For your safety, prescriptions can only be refilled if your examination is current. When requesting medication refills, please allow 72 hours for telephone and written prescriptions.

Marlette Office Address
2750 Main Street, Suite 6
Marlette, MI 48453

Deckerville Office Address
2433 Black River Street
Deckerville, MI 48427

Contact Us
Phone: 810-376-2885
Fax: 810-376-8301