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

Guy E McElwain, MD

Individual provider Allergy & Immunology (Internal Medicine) Physician · NPI 1629049804

Guy E McElwain, MD is an Allergy & Immunology (Internal Medicine) Physician in Meadowbrook, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2006.

Licensed in
PA
In the registry since
2006
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

1650 Huntingdon Pike Ste 156
Meadowbrook, PA 19046-8004
Phone: (215) 947-7924
Fax: (215) 947-0187
Show map & directions

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

Specialties & licences

Allergy & Immunology (Internal Medicine) Physician (primary) Taxonomy 207RA0201X · Licence MD020236E (PA)

Record details

NPI number1629049804
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 27, 2006
Last updated in NPPESJuly 18, 2014