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Dr. Andrew Overhiser, MD
Gastroenterology* Age 47
Dr. Andrew Overhiser, MD
5.0 (1 Ratings)

Offers telehealth

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Dr. Andrew Overhiser, MD is a Gastroenterologist in Flagstaff, AZ.
Dr. Andrew Overhiser, MD
5.0 (1 Ratings)
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Dr. Andrew Overhiser, MD

Gastroenterology* Age 47
Flagstaff, AZ
Accepting new patients
17 years of experience

Offers telehealth

Dr. Andrew Overhiser, MD is a Gastroenterologist in Flagstaff, AZ.

About

Dr. Overhiser graduated from University of Kansas School of Medicine. Dr. Andrew Overhiser, MD is a Gastroenterologist in Flagstaff, AZ and has 17 years experience. Dr. Overhiser currently practices at Gastroenterology at Northern Arizona Healthcare and is affiliated with Flagstaff Medical Center and Verde Valley Medical Center. Dr. Overhiser has experience treating conditions like Hemorrhoids, Diaphragmatic and Hiatal Hernia, Nausea, Diarrhea, Abdominal Pain, Gastroptosis, Vomiting Disorders, Noninfectious Gastroenteritis and Colitis, Colorectal Polyp, Intestinal Diverticulosis and Dysphagia among other conditions at varying frequencies. Dr. Overhiser's office accepts new patients and telehealth appointments. Dr. Overhiser is board certified in Gastroenterology and accepts multiple insurance plans.

Experience Check

Enter a condition or procedure
Hemorrhoids
Diaphragmatic and Hiatal Hernia
Nausea
Hemorrhoids
Diaphragmatic and Hiatal Hernia
Nausea
Hemorrhoids
Diaphragmatic and Hiatal Hernia
Nausea
  • View other providers who treat Nausea
Diarrhea
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Abdominal Pain
Gastroptosis
Vomiting Disorders
Noninfectious Gastroenteritis and Colitis
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
Colorectal Polyp
Endoscopy
Duodenal Polypectomy
Intestinal Diverticulosis
Dysphagia
Esophagitis
Constipation
Reflux Esophagitis
Unexplained Weight Loss
Intestinal Ulcer
Colonoscopy
Inflammatory Bowel Disease
Barrett's Esophagus
Gastritis
Flexible Sigmoidoscopy
Rigid Proctosigmoidoscopy
Manometry
Gas-Bloat Syndrome
Chronic Gastritis
Esophageal Motility Disorders
Anal or Rectal Pain
Gastroesophageal Reflux Disease (GERD)
Gastrointestinal Bleeding
Esophageal Varices
Intestinal Obstruction
Eosinophilic Esophagitis
Duodenal Ulcer
Irritable Bowel Syndrome
Crohn's Disease
Ulcerative Colitis
Intestinal Diverticulitis
Primary Biliary Cholangitis
Biliary Cirrhosis
Anemia
  • View other providers who treat Anemia
Gastric Ulcer
Cirrhosis
Indigestion
Heartburn
Gastrointestinal Malabsorption
Bowel Strangulation
Hypokalemia
Gallstones
Esophageal Ulcer
Sigmoidoscopy
Colon Cancer
Non-Alcoholic Fatty Liver Disease
Pancreatitis
Vitamin_Deficiency
Diffuse Esophageal Spasm
Duodenitis
Gastroparesis
Acute Gastritis
Alcoholic Cirrhosis
Alcoholic Fatty Liver
Alcoholic Gastritis
Alcoholic Hepatitis
All Types of Food Poisoning
Ascites
  • View other providers who treat Ascites
Autoimmune Hepatitis
Barretts Esophagus with Dysplasia
Benign Neoplasm of the Digestive System
Bile Duct Obstruction
Celiac Disease
Cholangitis
Chronic Anal Fissure
Congenital Achalasia
Congenital Anomaly Bile Duct
Congenital Anomaly Esophagus
Congenital Anomaly Intestine
Cyclical Vomiting
Dehydration
Duodenal Cancer
Dysentery
E. coli Food Poisoning
Ehlers-Danlos Syndrome
Enteritis
Eosinophilic Gastritis
Esophageal Achalasia and Cardiospasm
Esophageal Diverticulum
Familial Adenomatous Polyposis
Folate Deficiency Anemia
Food Allergy
Food Poisoning
Gastrojejunal Ulcer
Giardiasis
Hemochromatosis
Hepatitis C
Hereditary Amyloidosis
Hernia
  • View other providers who treat Hernia
Hiatal Hernia
Hiatal Hernia with Obstruction
Ileus
  • View other providers who treat Ileus
Infectious Diarrheal Disease
Intestinal Fistula
Intestinal Malabsorption Carbohydrate
Intestinal Prolapse
Ischemic Colitis
Lactose Intolerance
Liver Abscess
Liver Damage from Alcohol
Long COVID Disorder
Mallory-Weiss Syndrome
Malnutrition
Megacolon
Neoplasm of Gastrointestinal Tract
Non-Neonatal Jaundice
Pancreatic Pseudocyst
Pelvic Abscess
Peptic Ulcer
Pernicious Anemia
Pouchitis
Primary Sclerosing Cholangitis
Proctoptosis
Pyloric Stenosis
Rectal Prolapse
Rectal Ulcer
Retroperitoneum Cancer
Splenomegaly
Stomach Stenosis
Upper Digestive Tract Cancer
Viral Enteritis
Visceroptosis
Vitamin B12 Anemia
Bile Duct Procedure
Colon Cancer Screening
Colorectal Cancer Screening
ERCP (Endoscopic Retrograde Cholangiopancreatography)
Gallbladder Scan
Hepatitis A Screening
Hepatitis B Virus Screening
Hepatitis C Virus Screening
Hepatitis Screening
Impedance Testing
Instrumental Diagnostic Evaluation for Dysphagia
Laparoscopic Removal of Stones from Biliary Tract
Liver Biopsy
Liver Function Test
Pancreas Surgeries
pH Probe
  • View other providers who treat pH Probe
Screening Colonoscopy
Ultrasound, Endoanal
Ultrasound, Esophageal
VAP Lipid Testing
Wireless pH Testing

Insurance Accepted

* Please verify this information when scheduling an appointment.
  • Options PPO
    Navigate POS
    Navigate HMO
    Nexus Open Access
    Choice Plus POS
    Medica Choice
  • First Health (Coventry Health Care) PPO
  • Blue Card PPO
  • Curative PPO Plus
    Curative EPO
    Curative PPO
  • Cigna PPO
    Open Access Plus
  • Statewide - AZ EPO
  • Aetna
    Banner APCN Plus Health Network Choice POS II
    Banner Managed Plus Open Access
    Premier Care Network Plus - Innovation Health
    Open Choice PPO
    Elect Choice (Open Access) EPO
    Managed Choice (Open Access) POS
    Choice Plus POS II

Locations

  1. 1 Gastroenterology at Northern Arizona Healthcare
    1895 N Jasper Dr Ste 1, Flagstaff, AZ 86001
    Icon Directions Right Arrow Directions Phone Icon (928) 773-2332

Patient Satisfaction

Likelihood to recommend Dr. Overhiser
5.0
Based on 1 Reviews
5 Stars (1)
4 Stars (0)
3 Stars (0)
2 Stars (0)
1 Star (0)

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Patient Reviews
Jun 30, 2023
He has been my gastro for several years and he has always been excellent.
Sharon — Jun 30, 2023
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Telehealth Options
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(928) 773-2332

About Me

Specialties*
Gastroenterology
Specialties*
  • *Sharecare does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Common Questions and Answers
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Frequently Asked Questions

Find contact information here to make an appointment.

A list of accepted insurance providers is available on the Sharecare insurance check. It is always a good idea to verify your insurance when making an appointment.

New patients are generally accepted by Dr. Andrew Overhiser, MD. To arrange an appointment, call the number on Dr. Overhiser's profile.

Dr. Overhiser frequently treats the following conditions: Hemorrhoids, Diaphragmatic and Hiatal Hernia, Nausea, Diarrhea, Abdominal Pain, Gastroptosis, Vomiting Disorders, Noninfectious Gastroenteritis and Colitis, Colorectal Polyp, Intestinal Diverticulosis and Dysphagia. See more on Sharecare.

Dr. Andrew Overhiser, MD is affiliated with Flagstaff Medical Center and Verde Valley Medical Center.

Yes, Dr. Andrew Overhiser, MD holds board certification in Gastroenterology and Internal Medicine.

Education
Medical Education
  • University of Kansas School of Medicine
    2009
Medical Education
Board Certifications
  • Gastroenterology and Internal Medicine
Board Certifications
What’s a board certification and why is it important that my provider has one?

A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.

Hospital Affiliations

  • Flagstaff Medical Center

    1200 N Beaver St, Flagstaff, AZ

  • Verde Valley Medical Center

    269 S Candy Ln, Cottonwood, AZ

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