

Gastroenterology
Nelson Ferreira, M.D.
Dr. Nelson Lawrence Ferreira is a gastroenterologist based in Hagerstown, Maryland, with over 37 years of clinical experience. He specializes in the diagnosis and treatment of a broad range of gastrointestinal disorders, with particular expertise in gastroesophageal reflux disease (GERD), gastrointestinal bleeding, swallowing difficulties, celiac disease, and inflammatory conditions including ulcerative colitis and irritable bowel syndrome (IBS). Dr. Ferreira is highly proficient in endoscopic p
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Credentials
Board Certifications
- American Board of Internal Medicine — Gastroenterology
Education & Training
- George Washington University School of Medicine and Health Sciences — M.D., Class of 1988
- George Washington University — Residency, Internal Medicine, 1988–1991
- University of Maryland — Fellowship, Gastroenterology, 1991–1993
Years in Practice
35+ years
Clinical Focus
Subspecialties
Conditions & Treatments
Insurance(s) Accepted
Please verify your coverage with the provider — plan participation can change.
Practice Details
Hospital Affiliations
- Meritus Medical Center
Languages
English, Spanish, French
Conditions Dr. Ferreira treats
Insurance accepted
- 90 Degree Benefits
- Aetna
- Allegiance Health Plans
- Aspirus Health Plan
- ASR Health Benefits
- Asuris Northwest Health
- Avera Health Plans
- Banner Health Aetna
- Blue Cross Blue Shield of Maryland & DC (CareFirst)
- BridgeSpan Health Company
- Centivo
- Cigna
- Dean Health Plan
- Denver Health Medical Plan, Inc.
- EMI Health
- Employee Benefit Management Services, Inc. (MT)
- First Health
- Flume Health
- Hawaii Medical Assurance Association
- Health Alliance Plan (HAP)
- Health Plans Inc.
- Healthcare Management Administrators (HMA)
- Healthgram
- HealthPartners
- HealthSmart
- Highmark Blue Cross Blue Shield
- Homestead Health Plans
- Innovation Health Insurance Company
- Johns Hopkins Health Plans
- LifeWise Health Plan
- Lucent Health
- MagnaCare
- Mass General Brigham Health Plan
- MedCost
- Medica
- Medical Mutual of Ohio
- Mending
- Meritain
- Moda Health
- MotivHealth Insurance Company
- Nippon Life Insurance Company of America
- Personify Health (FKA HealthComp)
- Point C
- Prairie States
- Priority Health
- Providence Health Plan
- Quartz
- The Health Plan
- UnitedHealthcare
- Univera Healthcare
- WebTPA
- WellCare
- WellPoint