Dr. William Maher, MD

Dr. William Maher, MD

Gastroenterology  ·  
Male  ·  
Age 58
(23)
Save
Dr. William Maher, MD is a gastroenterology specialist in Somersworth, NH and has been practicing for 26 years. He graduated from University Of Medicine and Dentistry Of New Jersey / Newark in 1992 and specializes in gastroenterology.

21 Clark Way

Somersworth, NH 03878

Contact Information

(603) 692-2228

Insurance Accepted

  • Aetna
  • Amerigroup (Wellpoint)
  • Anthem
  • Blue Cross Blue Shield
  • CareSource
  • CHAMPVA
  • Cigna
  • Commercial Insurance Company
  • Community Health Choice
  • 27 More

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Learn about Dr. Maher

Be confident in your decisions by checking out your provider's top areas of care, education, patient reviews and more. Learn about finding the right doctor for you.

Top Care Areas

See how frequently Dr. Maher performs your care needs compared to other doctors.

Irritable Bowel Syndrome
very high
more than 99% of peers
Ulcer
very high
more than 99% of peers
Constipation
very high
more than 99% of peers

Dr. Maher's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.

1  Specialties

  • Gastroenterology

1  Board Certifications

  • Gastroenterology
    Accredited by: American Board of Internal Medicine*

86  Conditions Treated

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23  Procedures

  • Bile Duct Procedure
  • Capsule Endoscopy
  • Colon Cancer Screening
  • Colonoscopy
  • Colonoscopy With Polypectomy
  • Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
  • Colorectal Cancer Screening
  • Endoscopic Common Bile Duct Stone Removal
  • Endoscopic Polypectomy
  • Endoscopic Ultrasound
  • Endoscopy
  • Endoscopy (Esophagus, Stomach, Small Intestine)
  • ERCP (Endoscopic Retrograde Cholangiopancreatography)
  • ERCP With Spincterotomy
  • Esophageal pH Monitoring
  • Esophageal Stenting
  • Esophagoscopy
  • Flexible Sigmoidoscopy
  • Gastroenterology Procedures
  • Hemorrhoid Treatment
  • Liver Biopsy
  • Manometry
  • Percutaneous Edoscopic Gastrostomy (PEG)

Background Check

Malpractice Claims not available

Healthgrades does not collect malpractice information for New Hampshire.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.

Education

  • University Of Medicine and Dentistry Of New Jersey / Newark
    Medical School | Graduated 1992
  • Strong Mem Hsp University Rochester
    Residency Hospital | Completed

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. Maher has no media or publications listed.

Languages Spoken

  • English
  • Spanish

Memberships & Professional Affiliations

Dr. Maher does not have any memberships or affiliations listed. If you are Dr. Maher and would like to add memberships or affiliations, please update your profile.

Dr. Maher's Reviews

3.3
Likelihood of recommending Dr. Maher to family and friends
23 total reviews (8 have comments)

Likelihood to Recommend (23)

  • 5
    (12)
  • 4
    (1)
  • 3
    (0)
  • 2
    (1)
  • 1
    (9)

Dr. Maher's Performance

  • Trustworthiness

    GOOD
  • Explains condition(s) well

    GOOD
  • Answers questions

    GOOD
  • Time well spent

    GOOD

Office & Staff Performance

  • Scheduling

    VERY GOOD
  • Office environment

    EXCELLENT
  • Staff friendliness

    VERY GOOD
  • Average wait time

    10 to 15 minutes

Patient Comments (8)

Have been suffering with chronic abdominal issues for 2 months. Dr. Maher made listened to me and showed compassion. He scheduled several test within a week time frame. I would recommend him.
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Dr Maher has been nothing but kind ans compassionate to me. Not only does he listen to my problems bit he also takes the time to get to know me as amd person and my family. Yes I may have to wait at times but that is because he is spending time caring for others!
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Avoid at all costs. After an endoscopy and esophageal dilation that he did, I regurgitate after every meal, when I bend over, whenever I burp, cannot lie on my left side at night without burning pain, air escapes esophagus upon exertion. Avoid this man.
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I have been coming to this doctor/ office 4 over TWENTY YEARS. It wasn't bad enough that my last colonoscopy, When I encountered trouble with the prep, leaving me with 2 much medicine NOT NEAR ENOUGH FLUIDS, I was severely dehydrated and Surely close to shock. The office and hospital knew ahead of...more
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Dr. Maher had rounds while I was in the hospital and I had been seeing Dr. Lynch (Loved him!) and he was very curt and lacked compassion and bedside manner in my opinion. Was in and out with a 'complete' evaluation in less than 3 mins. Did not really care to listen to anything I said and just...more
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