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

Dr. Michael Mardiney III, MD

Individual provider Allergy & Immunology Physician · NPI 1609827724

Dr. Michael Mardiney III, MD is an Allergy/Immunology in Ellicott City, Maryland. Graduated from Georgetown University School of Medicine in 1989, 37 years ago. Accepts Medicare assignment. Licensed in Maryland.

Years since qualifying
37
Trained at
Georgetown University School of Medicine
Licensed in
MD
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

3105 N Ridge Rd
Ellicott City, MD 21043-3348
Phone: (410) 461-7660
Fax: (410) 461-2853
Show map & directions

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

Specialties & licences

Allergy & Immunology Physician (primary) Taxonomy 207K00000X · Licence D0043585 (MD)

Record details

NPI number1609827724
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 13, 2006
Last updated in NPPESAugust 1, 2017

Medicare enrollment

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

Medicare specialtyALLERGY/IMMUNOLOGY
Medical schoolGEORGETOWN UNIVERSITY SCHOOL OF MEDICINE
Graduated 1989 (37 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Ellicott City