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Dr. William Maher, MD

Dr. William Maher, MD

Gastroenterology*
30+ years of experience

Dr. William Maher, MD is a gastroenterologist in Somersworth, NH and has over 30 years of experience in the medical field. Dr. Maher has extensive experience in Esophageal Disorders and Pancreatic Disease. He graduated from Rutgers New Jersey Medical School in 1992. He is affiliated with medical facilities such as Wentworth-Douglass Hospital and Portsmouth Regional Hospital. He is accepting new patients and telehealth appointments.

3.5 Star Rating
Based on 26 reviews 3.5 Star Rating (26 reviews)

Practice

21 Clark Way Somersworth, NH 03878
Telehealth available

Make an Appointment

(207) 363-4321

Hospital Highlight

Dr. Maher is affiliated with Wentworth-Douglass Hospital Dover, a highly rated and top awarded hospital for gastroenterology.

Dr. Maher is a Healthgrades Choice provider in Gastroenterology

The Healthgrades Choice designation helps you understand the most important factors to consider when choosing a healthcare professional. This designation is earned based on four set standards.
Read our methodology

  • Above average experience
  • Good hospital quality
  • Good patient ratings
  • No healthcare sanctions
  • Area of Expertise
    Dr. Maher specializes in the area of Gastroenterology. • See board certifications
  • Friendly Staff
    Patients said the staff was friendly. • See reviews
  • Offers Telehealth
    This doctor offers telehealth appointments. Call the office to schedule an appointment.
  • Practices at Top Hospital
    Gastrointestinal Surgery Excellence Award™ • See hospitals
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Dr. Maher's Reviews

Likelihood to recommend Dr. Maher

3.5

26 ratings, 11 with a written review
5 Star
58%
58%
4 Star
4%
4%
3 Star
0%
0%
2 Star
4%
4%
1 Star
35%
35%

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Any reviews that are deemed fraudulent or violate our guidelines will be removed immediately.

RecentHighestLowestMost Helpful
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Lynda Guivens – Feb 08, 2025
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What went well
  • I felt respected
  • Listened & answered questions
  • Staff friendliness
  • Appointment wasn't rushed
What could be improved
No results
Helpful
Jeff B NH/USA – Jan 10, 2024
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What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
2 people found this helpful
Helpful
Feb 10, 2021
×Post a ResponseAre you Dr. William Maher, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
3 people found this helpful
Helpful
MADISON – Mar 21, 2018
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What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
3 people found this helpful
Helpful
Dover, NH – Nov 22, 2017
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What went well
No results
What could be improved
  • Didn't listen or answer questions
  • Didn't explain conditions well
  • Appointment was rushed
  • Didn't trust the provider's decisions
7 people found this helpful
Helpful
Robert in NH – Aug 05, 2017
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What went well
No results
What could be improved
  • Difficult to schedule appointment
  • Didn't listen or answer questions
  • Didn't explain conditions well
  • Staff wasn't friendly
  • Appointment was rushed
  • Didn't trust the provider's decisions
  • Long wait times
3 people found this helpful
Helpful
Rochester NH – Aug 27, 2016
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What went well
No results
What could be improved
  • Didn't listen or answer questions
  • Didn't explain conditions well
  • Appointment was rushed
  • Didn't trust the provider's decisions
3 people found this helpful
Helpful
Jessica C. in Somersworth, NH – Jul 26, 2016
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What went well
  • Wait times
What could be improved
  • Difficult to schedule appointment
  • Didn't listen or answer questions
  • Didn't explain conditions well
  • Appointment was rushed
  • Didn't trust the provider's decisions
1 person found this helpful
Helpful
Dorothy Verrier in Dover, NH – Jun 06, 2016
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What went well
No results
What could be improved
  • Difficult to schedule appointment
  • Didn't listen or answer questions
  • Didn't explain conditions well
  • Appointment was rushed
  • Didn't trust the provider's decisions
3 people found this helpful
Helpful
JED in Dover, NH – May 23, 2016
×Post a ResponseAre you Dr. William Maher, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
3 people found this helpful
Helpful
B in Wolfeboro, NH – Jan 19, 2016
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Leave a review

How was your experience with Dr. Maher?

Know Before You Go

About Me

biography

Dr. William Maher, MD is a gastroenterologist in Somersworth, NH and has over 30 years of experience in the medical field. Dr. Maher has extensive experience in Esophageal Disorders and Pancreatic Disease. He graduated from Rutgers New Jersey Medical...read more

  • Gastroenterology

*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.

  • Strong Mem Hsp University Rochester

    Residency Hospital

  • Rutgers New Jersey Medical School

    Medical School, 1992
American Board of Medical Specialties®
American Board of Internal Medicine®
- 
Gastroenterology
For detailed information about any of the below board actions, please search for the provider's records on the linked state licensing board or the Federation of State Medical Boards. To learn more about the difference between these sources, please refer to our FAQs.
Healthgrades has not received any data indicating a board action exists for this provider.

Healthgrades receives board action history for physicians and physician assistants. The information displayed here is sourced from independent information providers, such as state board websites, and may not be the most up-to-date information. Healthgrades makes no representations with respect to the accuracy of any information provided here and assumes no responsibility or liability for such information.

Learn more about medical license public record check

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  • Spanish

Dr. Maher is a Healthgrades Choice provider in Gastroenterology

    Read our methodology

    Focus on IBD

    Locations

    Practice

    Atlantic Digestive Specialists PLLC21 Clark Way Somersworth, NH 03878
    1
    York Hospital15 Hospital Dr York, ME 03909
    2
    Wentworth-Douglass Hospital789 Central Ave Dover, NH 03820
    3

    Affiliated Hospitals

    • Wentworth-Douglass Hospital

      789 Central Ave
      Dover, NH 03820
      Recipient of 9
      hospital awards

      Gastrointestinal Surgery Excellence Award™ (2025)

      Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications

      Patient Safety Excellence Award™ (2025)

      Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications

      View all awards

      How patients felt about the care they received at this hospital.

      89%
      Patients said they were given information about recovering at home

      5% higher than the national average

      80%
      Patients said that nurses always listened to them and explained things well

      5% higher than the national average

      View all patient feedback

    • York Hospital

      15 Hospital Dr
      York, ME 03909
      Recipient of 2
      hospital awards

      Outstanding Patient Experience Award™ (2023, 2022)

      Top in the nation for overall patient experience based on nine measures related to doctor and nurse communication, hospital cleanliness and noise levels, and medication and post-discharge care instructions

      View all awards

      How patients felt about the care they received at this hospital.

      88%
      Patients said they were given information about recovering at home

      1% higher than the national average

      83%
      Patients said that nurses always listened to them and explained things well

      5% higher than the national average

      View all patient feedback

    • Portsmouth Regional Hospital

      333 Borthwick Ave
      Portsmouth, NH 03801
      Recipient of 14
      hospital awards

      America's 250 Best Hospitals Award™ (2025, 2024, 2023)

      Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications

      Patient Safety Excellence Award™ (2025, 2024)

      Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications

      View all awards

      How patients felt about the care they received at this hospital.

      81%
      Patients said they were given information about recovering at home

      3% lower than the national average

      76%
      Patients said that doctors always listened to them and explained things well
      View all patient feedback
    Learn more about how Healthgrades measures Hospital Quality