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Dr. John Walker, DO

Internal Medicine* Age 38
Dr. John Walker, DO
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Dr. John Walker, DO is an Internist in Biddeford, ME.
Dr. John Walker, DO
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Dr. John Walker, DO

Internal Medicine* Age 38
Biddeford, ME
Accepting new patients
Dr. John Walker, DO is an Internist in Biddeford, ME.

About

Dr. John Walker, DO is an Internist in Biddeford, ME. They currently practice at Practice and are affiliated with Southern Maine Health Care. Dr. Walker has experience treating conditions like Anal or Rectal Pain and Intestinal Diverticulosis among other conditions at varying frequencies. Their office accepts new patients. Dr. Walker is board certified in Gastroenterology and accepts multiple insurance plans.

Experience Check

Enter a condition or procedure
Anal or Rectal Pain
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
Intestinal Diverticulosis
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
Intestinal Diverticulosis
Anal or Rectal Pain
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
Intestinal Diverticulosis
Diaphragmatic and Hiatal Hernia
Abdominal Pain
Alcoholic Cirrhosis
Anemia
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Ascites
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Barrett's Esophagus
Chronic Gastritis
Cirrhosis
Colorectal Polyp
Constipation
Crohn's Disease
Diarrhea
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Duodenal Ulcer
Dysphagia
Enteritis
Eosinophilic Esophagitis
Esophageal Motility Disorders
Esophageal Ulcer
Esophageal Varices
Esophagitis
Gas-Bloat Syndrome
Gastric Ulcer
Gastritis
Gastroesophageal Reflux Disease (GERD)
Gastrointestinal Bleeding
Gastrointestinal Malabsorption
Gastroptosis
Heartburn
Hemorrhoids
Hepatitis C
Inflammatory Bowel Disease
Intestinal Ulcer
Irritable Bowel Syndrome
Liver Damage from Alcohol
Nausea
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Non-Alcoholic Fatty Liver Disease
Noninfectious Gastroenteritis and Colitis
Reflux Esophagitis
Ulcerative Colitis
Unexplained Weight Loss
Vomiting Disorders
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
Duodenal Polypectomy
Endoscopy
ERCP (Endoscopic Retrograde Cholangiopancreatography)
Flexible Sigmoidoscopy
Manometry
Rigid Proctosigmoidoscopy
Acute Gastritis
ADHD and-or ADD
Administrative Physical
Alcoholic Fatty Liver
Alcoholic Hepatitis
Anxiety
  • View other providers who treat Anxiety
Arthritis
Arthritis of the Elbow
Asthma
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Atherosclerosis
Barretts Esophagus with Dysplasia
Bile Duct Obstruction
Biliary Cirrhosis
Bowel Strangulation
Bronchiectasis
Celiac Disease
Chest Pain
Cholangitis
Chronic Depression (Dysthymia)
Chronic Pain
Colon Cancer
Congenital Anomaly Esophagus
Congenital Anomaly Intestine
COPD (Chronic Obstructive Pulmonary Disease)
Copper Metabolism Disorders
Cough
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Cyclical Vomiting
Cyclical Vomiting Syndrome
Dehydration
Diabetes Type 1
Diabetes Type 2
Diabetes With Renal Manifestations
Diffuse Esophageal Spasm
Duodenal Cancer
Duodenitis
Dysentery
Dyslipidemia
Esophageal Achalasia and Cardiospasm
Esophageal Diverticulum
Familial Adenomatous Polyposis
Gallstones
Gastroparesis
Heart Disease
Hemochromatosis
Hepatitis B
Hepatorenal Syndrome
Hernia
  • View other providers who treat Hernia
Hyperlipidemia
Hypertension
Hypokalemia
Hypothyroidism
Ileus
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Indigestion
Infectious Diarrheal Disease
Insomnia
  • View other providers who treat Insomnia
Intestinal Diverticulitis
Intestinal Obstruction
Iron Metabolism Disorders
Ischemic Colitis
Itchy Skin
Limb Swelling Caused by Fluid Overload
Lipid Disorders
Mallory-Weiss Syndrome
Malnutrition
Mineral Metabolism Disorders
Mood Disorders (Dysthymia and Cyclothymia)
Neoplasm of Gastrointestinal Tract
Obesity
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Osteoarthritis
Osteoarthritis of Foot
Osteoarthritis of Shoulder
Osteoarthritis of Spine
Overweight
Pancreatitis
Peptic Ulcer
Pernicious Anemia
Pouchitis
Primary Biliary Cholangitis
Primary Sclerosing Cholangitis
Proctoptosis
Pyloric Stenosis
Rectal Prolapse
Retroperitoneum Cancer
Shortness of Breath
Sleep Apnea
Splenomegaly
Stomach Stenosis
Stomal Ulcer
Tobacco Use Disorder
Trigeminal Neuralgia
Upper Digestive Tract Cancer
Urinary Tract Infection (UTI)
Viral Enteritis
Viral Hepatitis
Vitamin B12 Anemia
Vitamin_Deficiency
Wheezing
  • View other providers who treat Wheezing
Liver Biopsy

Insurance Accepted

* Please verify this information when scheduling an appointment.
  • Choice Plus POS II
    Elect Choice (Open Access) EPO
    Managed Choice (Open Access) POS
    Open Choice PPO
    Premier Care Network Plus - Innovation Health
    Select
  • Blue Choice-ME PPO
    Maine HMO
    Pathway Enhanced-ME POS
    Pathway-ME HMO
  • Blue Cross Blue Shield of Massachusetts PPO
    Preferred Blue PPO
  • Blue Card PPO
  • Cigna PPO
    Open Access Plus
  • Curative EPO
    Curative PPO
    Curative PPO Plus
  • First Health (Coventry Health Care) PPO
  • Tufts PPO
  • Choice Plus POS
    Medica Choice
    Navigate HMO
    Navigate POS
    Nexus Open Access
    Options PPO

Locations

  1. 1 Mainehealth Gastroenterology-Biddeford
    9 Healthcare Dr Ste 202, Biddeford, ME 04005
  2. 2 Maine Medical Center
    22 Bramhall St, Portland, ME 04102
  3. 3 Office
    8000 Research Forest Dr, Spring, TX 77382
  4. 4 Nordx
    1 Medical Center Dr, Biddeford, ME 04005

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Dr. Walker's Office & Staff

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Experience with Dr. Walker

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  • How well provider explains medical condition(s)
  • How well provider listens and answers questions
  • Hpends appropriate amount of time with patients

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About Me

Specialties*
Internal Medicine
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.
Education

Board Certifications

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.
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. John Walker, DO. To arrange an appointment, call the number on Dr. Walker's profile.

Dr. Walker frequently treats the following conditions: Anal or Rectal Pain and Intestinal Diverticulosis. See more on Sharecare.

Dr. John Walker, DO is affiliated with Southern Maine Health Care.

Yes, Dr. John Walker, DO holds board certification in Gastroenterology and Internal Medicine.

Hospital Affiliations

  • Southern Maine Health Care

    1 Medical Center Dr, Biddeford, ME