Prevea Health

If you are looking for compassionate careunderstanding and someone who truly listens... 

then look no further than the Prevea digestive health team in Appleton.


At Prevea Health, it starts with empathy and compassionate providers who truly listen to your needs and concerns. A care team like Dr. Nadeem Siddiqui and nurse practitioner, Megan Galske, who care for patients at Prevea’s health center in Appleton. They specialize in digestive health diseases and treatment, and provide the care you expect and deserve. They’ll listen to everything you have to say, and work alongside you to create a plan designed for you.

Same day or next day appointments available!
Call (920) 738-7300 to schedule an appointment.

Prevea Health
2700 E. Enterprise Ave. Suite B
Appleton, WI 54913

Meet our Providers

Nadeem Siddiqui, MD Gastroenterologist
Nadeem Siddiqui, MD

Megan Galske, APNP Nurse Practitioner
Megan Galske, APNP
Nurse Practitioner

Digestive health services offered:

  • Colonoscopy, upper endoscopy and ERCP to diagnose and treat various conditions
  • Diagnose and treatment of:
    • Gastroesophageal reflux disease (GERD)
    • Barrett’s esophagus
    • Crohn’s disease
    • Ulcerative colitis
    • Diarrhea
    • Constipation
    • Irritable bowel syndrome
    • Colon polyp
    • Bile duct cancers, stones and strictures
    • Pancreatic cancer
    • Colon cancer
    • Esophageal cancer
    • Liver and biliary diseases
    • Inflammatory bowel disease

Learn more about Prevea digestive health.

With more than 60 medical specialties at 40+ health centers across northeast Wisconsin and our partnership with six Hospital Sisters Health System hospitals, you can take comfort in knowing you are never far from exceptional health care.

Click here to learn more about Prevea.

The right care at the right time
You have resources to become a strong advocate for your own health and make the best decisions about your care with your provider. At Prevea, we make it easy for you to access our services when you need them.

Prevea accepts most health plans. To learn more about your health insurance coverage, please contact your insurance company.