Summary

Dr. Maria Lonshteyn is a gastroenterologist and internal medicine physician with 18 years of experience helping patients with digestive health concerns. She earned her medical degree from New York University School of Medicine, where she developed expertise in both comprehensive internal medicine care and specialized gastrointestinal conditions. Dr. Lonshteyn speaks English and brings nearly two decades of clinical experience to her practice.

Dr. Lonshteyn is affiliated with UMass Memorial Health Alliance Clinton Hospital and practices at locations in Beverly and Salem, Massachusetts. She specializes in treating colon polyps, diverticular disease, and diverticulosis, helping patients understand and manage these common digestive conditions. Her expertise includes performing colonoscopies and lower GI procedures to diagnose and monitor intestinal health. Patients rate Dr. Lonshteyn 4.3 out of 5 stars, reflecting their confidence in her compassionate and thorough approach to gastroenterological care.
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Quick Facts

  • accepting new patients
  • 4.3
  • 18 years of experience
  • 59 insurance plans accepted
  • speaks English
  • New York University School Of Medicine
  • 4 written reviews
  • 2 specialties
  • 7 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 2 office locations
  • Female

Office Locations

Dr. Maria Lonshteyn has 2 locations

Northshore Gastroenterology

100 Cummings Ctr Ste 107CBeverly, MA 01915
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

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Dr. Maria Lonshteyn, MDJan Seiler, APRNAshley Anderson, APRNTheresa Obonyano, APRN
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.3 
18 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English Speaks English Speaks English Speaks English
Beverly , MAMontgomery , ALSACRAMENTO , CASACRAMENTO , CA
Med School: New York University School Of Medicine Med School: Georgia State University Med School: East Tennessee State University - Quillen College of Medicine Med School: The University of Texas Health Science Center at Houston
Current Profile
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Insurance Plans Accepted by Dr. Maria Lonshteyn

  • Accepts Medicare
  • Accepts Medicaid
  • AARP
  • AARP - Medicare
  • Aetna
  • Aetna - Medicare
  • Aetna - POS
  • Aetna - PPO
  • Anthem Blue Cross
  • Anthem Blue Cross Blue Shield
  • Assurant Health
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield - PPO
  • Blue Cross Blue Shield of Massachusetts
  • CBA Blue
  • CHAMPVA
  • Cigna
  • Cigna - PPO
  • Commonwealth Care Alliance
  • Commonwealth Care Alliance - Medicaid (Managed)
  • EverCare
  • Fallon Community Health Plan (FCHP)
  • First Health (Coventry Health Care)
  • GEHA
  • Harvard Pilgrim Health Care
  • Harvard Pilgrim Health Care - EPO
  • Harvard Pilgrim Health Care - HMO
  • Harvard Pilgrim Health Care - HMO-POS
  • Harvard Pilgrim Health Care - POS
  • Harvard Pilgrim Health Care - PPO
  • Health New England
  • HealthPartners
  • Humana
  • Mass General Brigham Health Plan
  • MassHealth
  • MassHealth - Medicaid
  • MassHealth - Medicaid (Managed)
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - HMO
  • Medicare - Medicare
  • Medicare - PPO
  • Meritain Health
  • Mutual of Omaha
  • Optum Health
  • Tricare
  • Trusted Health Plan
  • Trusted Health Plan - Medicare
  • Trusted Health Plan - POS
  • Tufts Health Plan
  • Tufts Health Plan - HMO
  • Tufts Health Plan - Medicaid (Managed)
  • UniCare
  • UniCare - Medicare
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - POS
  • UnitedHealthcare - PPO
  • Well Sense Health Plan
  • Well Sense Health Plan - Medicaid (Managed)

Medical Specialties

Dr. Maria Lonshteyn has the following 2 specialties

Specialty Expertise

Dr. Maria Lonshteyn has the following 7 areas of expertise

  • Check-up
  • Heartburn
  • Immunization
  • Internal Medicine
  • Physical
  • Vaccination
  • Weight Loss

Certifications, License, & Education

18 Years Experience

MEDICAL LICENSE

Medical Doctor, Massachusetts, 2027, Active

EDUCATION & TRAINING

Medical School

New York University School Of MedicineGraduated in 2008

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Frequently Asked Questions

What languages does Dr. Maria Lonshteyn speak?
Dr. Maria Lonshteyn speaks English.
Does Dr. Maria Lonshteyn accept my insurance?
You can see the insurance plans that Dr. Maria Lonshteyn accepts on their Vitals profile.
Does Dr. Maria Lonshteyn accept virtual/telehealth appointments?
Dr. Maria Lonshteyn has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
How can I make an appointment with Dr. Maria Lonshteyn?
You can find contact information for Dr. Maria Lonshteyn here on Vitals.
Which hospitals is Dr. Maria Lonshteyn affiliated with?
Dr. Maria Lonshteyn is affiliated with Umass Memorial Health Alliance Clinton Hospital.

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