JW
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Walker, Internist in Biddeford, ME?
Dr. John Walker, DO is an Internist, who primarily practices in Biddeford, ME with 2 additional practice locations. He is board certified. Dr. Walker is fluent in English, and is currently seeing new patients. Dr. Walker’s practice accepts Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Walker’s office at (207) 283-1427.
What languages does Dr. Walker speak?
Dr. Walker and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Walker treat?
As a Internist, Dr. Walker diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Walker. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Colon Cancer Screening
- Health Screening
- Colorectal Cancer Screening (PDQ®)
- Screening Tests to Detect Colorectal Cancer and Polyps
- Tests to Detect Colorectal Cancer and Polyps
- Colorectal Cancer Screening
- Colonoscopy Screening
- Bowel Cancer Screening
ICD-10 Codes:
- Z1211: Encounter for screening for malignant neoplasm of colon
Also known as:
- Large Intestine Diverticulosis
- Diverticulosis and Diverticulitis
- Diverticular Disease
- Colon Diverticula
- Pockets in the Colon
ICD-10 Codes:
- K5730: Diverticulosis of large intestine without perforation or abscess without bleeding
Also known as:
- Cirrhosis
- Alcoholic Cirrhosis with Fluid Buildup
- Alcoholic Cirrhosis
- Alcohol Use Disorder (AUD)
- Liver scarring
- End-stage liver disease
- Chronic liver failure
- Alcoholic cirrhosis with ascites
- Alcohol-induced cirrhosis with fluid
- Liver scarring with abdominal fluid
- Alcohol-induced cirrhosis
- End-stage alcoholic liver disease
- Severe alcoholic liver scarring
ICD-10 Codes:
- K7460: Unspecified cirrhosis of liver
- K7031: Alcoholic cirrhosis of liver with ascites
- K7030: Alcoholic cirrhosis of liver without ascites
Also known as:
- Colon Polyps
- Non-Infectious Gastroenteritis and Colitis
- Colonic Polyps
- Digestive Disease
- Colorectal Polyps
- Intestinal Polyps
- Bowel Polyps
- Inflammation of Stomach and Intestines
- Non-Bacterial Colitis
- Gut Inflammation
ICD-10 Codes:
- Z86010: Personal history of colon polyps
- K529: Noninfective gastroenteritis and colitis, unspecified
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal polyps
- Bowel polyps
- Intestinal polyps
ICD-10 Codes:
- K635: Polyp of colon
Also known as:
- Hemorrhoidal Skin Tags
- Hemorrhoids
- Anal skin tags
- Perianal skin tags
- Leftover hemorrhoid skin
- Piles
- Anal veins
- Swollen rectal veins
ICD-10 Codes:
- K644: Residual hemorrhoidal skin tags
- K648: Other hemorrhoids
Also known as:
- Acid Reflux
- GERD
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Gastroesophageal Reflux
- Heartburn
- Indigestion
ICD-10 Codes:
- K219: Gastro-esophageal reflux disease without esophagitis
Also known as:
- Difficulty Swallowing
- Swallowing Disorder
- Dysphagia
- Trouble swallowing
- Painful swallowing
ICD-10 Codes:
- R1310: Dysphagia, unspecified
Also known as:
- Blocked Esophagus
- Esophagus Disorder
- Esophageal Obstruction
- Food Pipe Blockage
- Swallowing Difficulty
ICD-10 Codes:
- K222: Esophageal obstruction
Also known as:
- Diarrhea
- Loose stools
- Runny poop
- Frequent bowel movements
ICD-10 Codes:
- R197: Diarrhea, unspecified
Also known as:
- Abnormal Bowel Movements
- Bowel Movement
- Unusual stool
- Changes in poop
- Fecal changes
ICD-10 Codes:
- R195: Other fecal abnormalities
Also known as:
- Iron Deficiency Anemia
- Anemia
- Iron
- Anemia from Iron Lack
- Low Iron Anemia
- Sideropenic Anemia
ICD-10 Codes:
- D509: Iron deficiency anemia, unspecified
Also known as:
- Rectal Bleeding
- Gastrointestinal Bleeding
- Gastrointestinal (GI) Bleeding
- Anal Bleeding
- Blood in Stool
- Lower GI Bleed
ICD-10 Codes:
- K625: Hemorrhage of anus and rectum
Also known as:
- Diaphragmatic Hernia
- Hernia
- Hiatal Hernia
- Hernia of the Diaphragm
ICD-10 Codes:
- K449: Diaphragmatic hernia without obstruction or gangrene
Also known as:
- Upper Middle Abdominal Pain
- Abdominal Pain
- Epigastric pain
- Pain below breastbone
- Upper stomach pain
ICD-10 Codes:
- R1013: Epigastric pain
Also known as:
- High Liver Enzymes
- ALT Blood Test
- AST Test
- Elevated ALT
- Elevated AST
- Abnormal liver function test
ICD-10 Codes:
- R7401: Elevation of levels of liver transaminase levels
Which procedures does Dr. Walker perform as a Internist?
As a Internist, procedures performed by an Dr. John Walker may include:
- Ambulatory Care Consultation
- Annual Check Up
- Annual Physical
- Aromatherapy
- Bladder and Bowel Management
- Blood Pressure Testing
- Bowel and Bladder Management
- Certified Medical Examination for Commercial Driver / Vessel Master
For detailed information, please contact Dr. Walker's office.
Does Dr. Walker accept my insurance?
Dr. Walker accepts most major insurance plans. Important: Please call our office at (207) 283-1427 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Walker accept in Biddeford, ME?
Dr. Walker in Biddeford, ME accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
CVS Health (formerly Aetna)
Department of Defense / Tricare
Elevance Health Inc. (formerly Anthem)
Federal Employee Program
Martin's Point
Medicaid
Medicare
UnitedHealthcare
USAA
View All Insurances
Where is Dr. Walker's office located?
Dr. John Walker's Primary Practice
1 Medical Center Dr
Biddeford, ME 04005
(207) 283-1427
What is Dr. Walker's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Walker's National Provider Identifier (NPI) number is 1851737811.
What common questions do patients ask about Dr. Walker?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Walker
What is Dr. John Walker's specialty?
Dr. Walker is a Internist near Biddeford, ME.
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Contact Dr. Walker to book an appointment today.Is this Dr. John Walker affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Walker is affiliated with Mainehealth Maine Medical Center Portland which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
Where can I learn more about Internist?
Explore Internist with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is John Walker accepting new patients in Biddeford, ME?
Yes, Dr. John Walker is accepting new patients at this time.
Does Dr. John Walker offer online booking?
Please contact Dr. Walker's office at (207) 283-1427 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with John Walker?
Please contact Dr. Walker's office at (207) 283-1427 for information regarding telehealth appointment availability or for scheduling assistance.
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