Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Maher, Gastroenterologist in Somersworth, NH?
Dr. William Maher, MD is a Gastroenterologist, who primarily practices in Somersworth, NH with 1 additional practice location. He is board certified. Dr. Maher graduated from Rutgers and completed his residency at Strong Memorial Hospital of the University of Rochester Program. Dr. Maher is fluent in English and Spanish, and is currently seeing new patients. Dr. Maher’s practice accepts Cigna, Medicaid, Medicare, UnitedHealthcare, Aetna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Maher’s office at (603) 692-2228.
What are Areas of Expertise for Dr. Maher?
Dr. William Maher, MD is a highly-rated, board-certified Gastroenterologist known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Maher empowers patients to confidently navigate their health journey, specializing in Crohn's Disease, Endoscopy, or comprehensive wellness support. Serving the Somersworth/NH community, Dr. Maher is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Maher go to medical school and complete their residency?
Residency: Strong Memorial Hospital of the University of Rochester Program
Medical School: Rutgers
What languages does Dr. Maher speak?
Dr. Maher and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does Dr. Maher treat?
As a Gastroenterologist, Dr. Maher 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. Maher. 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:
- Colon Polyps
- Colonic Polyps
- Colorectal Polyps
- Intestinal Polyps
- Bowel Polyps
ICD-10 Codes:
- Z86010: Personal history of colon polyps
- Z860100: Personal history of colon polyps, unspecified
Also known as:
- Acid Reflux
- GERD with Esophagitis
- GERD
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Eosinophilic Esophagitis
- Gastroesophageal Reflux
- Heartburn
- Indigestion
- Reflux Esophagitis
- Acid Reflux Esophagus Inflammation
- Heartburn with Esophagus Damage
ICD-10 Codes:
- K219: Gastro-esophageal reflux disease without esophagitis
- K2100: Gastro-esophageal reflux disease with esophagitis, without bleeding
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:
- Abnormal Abdominal Imaging
- Abnormal Digestive Tract Imaging
- Abnormal belly scan
- Unusual abdominal imaging
- Abdominal scan findings
- Abnormal GI scan
- Unusual digestive imaging
- Digestive system imaging findings
ICD-10 Codes:
- R935: Abnormal findings on diagnostic imaging of other abdominal regions, including retroperitoneum
- R933: Abnormal findings on diagnostic imaging of other parts of digestive tract
Also known as:
- Dark, Tarry Stools (Melena)
- Gastrointestinal Bleeding
- Melena
- Black Stools
- Upper GI Bleed Signs
ICD-10 Codes:
- K921: Melena
Also known as:
- Diarrhea
- Loose stools
- Runny poop
- Frequent bowel movements
ICD-10 Codes:
- R197: Diarrhea, unspecified
Also known as:
- Abnormal Liver Function Test
- Liver Disease
- Irregular Liver Function Study
- Unusual Liver Exam
- Liver Disease Diagnosis
ICD-10 Codes:
- R945: Abnormal results of liver function studies
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:
- Barrett's Esophagus
- Esophagus Disorder
- Barrett’s Esophagus
- Barrett's condition
- Esophageal metaplasia
ICD-10 Codes:
- K2270: Barrett's esophagus without dysplasia
Also known as:
- Throat and Esophagus Swallowing Difficulty
- Swallowing Disorder
- Pharyngoesophageal dysphagia
- Trouble swallowing in throat
- Esophageal swallowing problems
ICD-10 Codes:
- R1314: Dysphagia, pharyngoesophageal phase
Also known as:
- Blocked Esophagus
- Esophagus Disorder
- Esophageal Obstruction
- Food Pipe Blockage
- Swallowing Difficulty
ICD-10 Codes:
- K222: Esophageal obstruction
Also known as:
- History of Adenomatous and Serrated Colon Polyps
- Past Colon Polyps
- Previous Adenomas
- History of Precancerous Colon Growths
ICD-10 Codes:
- Z860101: Personal history of adenomatous and serrated colon polyps
Also known as:
- Family History of Digestive Organ Cancer
- Cancer
- Family History
- Genetic risk for gastrointestinal cancer
- Family history of GI cancer
- Hereditary digestive cancer
ICD-10 Codes:
- Z800: Family history of malignant neoplasm of digestive organs
Also known as:
- Fatty Liver Disease
- Liver Disease
- Nonalcoholic Fatty Liver Disease (NAFLD) & NASH
- Nonalcoholic Fatty Liver Disease & NASH in Children
- NAFLD
- NASH
- Hepatic steatosis
ICD-10 Codes:
- K760: Fatty (change of) liver, not elsewhere classified
Also known as:
- Constipation
- Difficulty Passing Stool
- Infrequent Bowel Movements
- Hard Stools
ICD-10 Codes:
- K5900: Constipation, unspecified
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
Which procedures does Dr. Maher perform as a Gastroenterologist?
As a Gastroenterologist, procedures performed by a Dr. William Maher may include:
- Colonoscopy
- Colonoscopy Consultation
- Colorectal Cancer Screening
- Endoscopic Ultrasound
- Endoscopy / Endoscopic Ultrasound
- Gastric Balloon
- Gastric Stimulator Implantation Consultation
- Gastric Stimulator Implantation Follow Up
For detailed information, please contact Dr. Maher's office.
Does Dr. Maher accept my insurance?
Dr. Maher accepts most major insurance plans. Important: Please call our office at (603) 692-2228 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Maher accept in Somersworth, NH?
Dr. Maher in Somersworth, NH 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)
Express Scripts
Martin's Point
Medicare
Point32Health
State of Maine
UnitedHealthcare
View All Insurances
Where is Dr. Maher's office located?
Dr. William Maher's Practice 2
330 Borthwick Ave Ste 311
Portsmouth, NH 03801
(603) 692-2228
What is Dr. Maher's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Maher's National Provider Identifier (NPI) number is 1477550739.
What common questions do patients ask about Dr. Maher?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Maher
What is Dr. William Maher's specialty?
Dr. Maher is a Gastroenterologist near Somersworth, NH. An internist focused on diagnosing and treating disorders of the digestive system, encompassing the stomach, intestines, liver, and gallbladder. This specialist manages conditions like abdominal pain, ulcers, diarrhea, cancer, and jaundice, and performs intricate diagnostic and therapeutic procedures using endoscopes to examine internal organs. Contact Dr. Maher to book an appointment today.
Is this Dr. William Maher affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Maher is affiliated with Wentworth-Douglass Hospital 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 Gastroenterologist?
Explore Gastroenterologist 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 William Maher accepting new patients in Somersworth, NH?
Yes, Dr. William Maher is accepting new patients at this time.
Does Dr. William Maher offer online booking?
Please contact Dr. Maher's office at (603) 692-2228 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with William Maher?
Please contact Dr. Maher's office at (603) 692-2228 for information regarding telehealth appointment availability or for scheduling assistance.
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