Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Nelson L Ferreira, MD

Individual provider Gastroenterology Physician · NPI 1679563746

Dr. Nelson L Ferreira, MD is a Gastroenterology in Hagerstown, Maryland. Graduated from George Washington University School of Medicine in 1988, 38 years ago. Practices with Meritus Medical Center Inc, a 746-clinician group and accepts Medicare assignment. Licensed in Maryland.

Years since qualifying
38
Trained at
George Washington University School of Medicine
Licensed in
MD
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

11110 Medical Campus Rd Ste 246
Hagerstown, MD 21742-6700
Phone: (301) 665-4585
Fax: (301) 665-4587
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence D44361 (MD)

Record details

NPI number1679563746
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 28, 2005
Last updated in NPPESJuly 8, 2007

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGASTROENTEROLOGY
Medical schoolGEORGE WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 1988 (38 years in practice)
Group practice Meritus Medical Center Inc — 746 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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