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

Dr. Margaret Mary Vaughan, MD

Individual provider Internal Medicine Physician · NPI 1982814521

Dr. Margaret Mary Vaughan, MD is an Internal Medicine Physician in Havre de Grace, Maryland. Licensed in Maryland. Registered with an NPI since 2007.

Licensed in
MD
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

626B Revolution St
Havre de Grace, MD 21078-3493
Phone: (800) 515-0044
Fax: (443) 843-5010
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence D313324 (MD)

Record details

NPI number1982814521
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 23, 2007
Last updated in NPPESJuly 8, 2007

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