Summary

Dr. Marylyn Grondin is a gastroenterologist and internal medicine physician who brings 48 years of experience to patient care. She earned her medical degree from Universidad De La Salle Facultad Mexicana De Medicina and completed her residency training at Bridgeport Hospital. Her dual specialty training allows her to provide comprehensive digestive health care while also addressing general internal medicine needs. Dr. Grondin is fluent in both English and Spanish, helping her connect with a diverse patient population.

Dr. Grondin practices at Portsmouth Regional Hospital in Portsmouth, New Hampshire, and also sees patients at Stratham Ambulatory Surgery Center in Stratham, New Hampshire. She maintains an affiliation with Anna Jaques Hospital. Her expertise focuses on common digestive conditions such as colon polyps, hemorrhoids, and diverticular disease. Dr. Grondin performs colonoscopies and lower gastrointestinal endoscopy procedures to diagnose and treat these conditions. Patients have given her an average rating of 4.3 out of 5 stars, reflecting their confidence in her care.
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Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.3
  • 48 years of experience
  • 29 insurance plans accepted
  • speaks English, Spanish
  • Bridgeport Hospital
  • 7 written reviews
  • 2 specialties
  • 11 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 2 office locations
  • Female

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Marylyn Virginia Grondin has 2 locations

Portsmouth Regional Hospital

333 Borthwick AvePortsmouth, NH 03801

Stratham Ambulatory Surgery Center

4 West RdStratham, NH 03885
Mon12:00 am - 12:00 pm
Tue12:00 am - 12:00 pm
Wed12:00 am - 12:00 pm
Thu12:00 am - 12:00 pm
Fri12:00 am - 12:00 pm
Sat12:00 am - 12:00 pm
Sun12:00 am - 12:00 pm

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Dr. Marylyn Virginia Grondin, MD
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Dr. Marylyn Virginia Grondin, MDChimdi Mfebe, APRNDr. Mark Nathan KatzDr. Jennifer Ann Larsen
GastroenterologyGastroenterologyGastroenterologyInternal Medicine
Accepts New Patients Accepts New Patients
4.3 
48 Years of Experience 40 Years of Experience 36 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks English Speaks English
Portsmouth , NHLittle Rock , ARNorth Hampton , NHExeter , NH
Med School: La Salle University School Of Medicine Med School: Chamberlain University College of Nursing Med School: University Of Virginia School Of Medicine Med School: University Of Cincinnati College Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Marylyn Virginia Grondin

  • AARP
  • AARP - Medicare
  • Aetna
  • Aetna - Medicare
  • AmeriHealth
  • AmeriHealth - Medicaid (Managed)
  • Anthem Blue Cross
  • APWU
  • Blue Cross Blue Shield
  • Cigna
  • Cigna-HealthSpring
  • Community Health Options
  • Harvard Pilgrim Health Care
  • Health New England
  • Humana
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicare
  • Meritain Health
  • New Hampshire Healthy Families
  • Optum Health
  • Sierra Health and Life
  • Tricare
  • Tufts Health Plan
  • UniCare
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicare
  • Wellcare

Medical Specialties

Dr. Marylyn Virginia Grondin has the following 2 specialties

Specialty Expertise

Dr. Marylyn Virginia Grondin has the following 11 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Acid Reflux Disease (GERD)
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Hemorrhoids
  • Hepatitis C
  • Internal Medicine
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Certifications, License, & Education

48 Years Experience

Education & Training

Residency

Completed their residency at Bridgeport Hospital.

Medical School

Graduated from La Salle University School Of Medicine and Universidad De La Salle Facultad Mexicana De Medicina in 1978.

NPI Number

Dr. Grondin's NPI number is 1841266327.

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Frequently Asked Questions

What languages does Dr. Marylyn Virginia Grondin speak?
Dr. Marylyn Virginia Grondin speaks English and Spanish.
Where is Dr. Marylyn Virginia Grondin's office located?
Dr. Marylyn Virginia Grondin's office is located at 333 Borthwick Ave, Portsmouth, NH, 03801.
Does Dr. Marylyn Virginia Grondin accept my insurance?
You can see the insurance plans that Dr. Marylyn Virginia Grondin accepts on their Vitals profile.
Does Dr. Marylyn Virginia Grondin accept virtual/telehealth appointments?
Dr. Marylyn Virginia Grondin has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Which hospitals is Dr. Marylyn Virginia Grondin affiliated with?
Dr. Marylyn Virginia Grondin is affiliated with Anna Jaques Hospital.

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