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

A. Geoffrey Didario, MD

Individual provider Allergy & Immunology Physician · NPI 1336282870

A. Geoffrey Didario, MD is an Allergy/Immunology in Ardmore, Pennsylvania. Graduated from University of Vermont College of Medicine in 1997, 29 years ago. Practices with Main Line Allergy , LLP, a 6-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
29
Trained at
University of Vermont College of Medicine
Licensed in
PA
In the registry since
2007
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

233 E Lancaster Ave Ste 200
Ardmore, PA 19003-2321
Phone: (610) 642-1643
Fax: (610) 642-0245
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 MD426432 (PA)

Record details

NPI number1336282870
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 15, 2007
Last updated in NPPESApril 6, 2021
Certification dateApril 6, 2021

Medicare enrollment

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

Medicare specialtyALLERGY/IMMUNOLOGY
Medical schoolUNIVERSITY OF VERMONT COLLEGE OF MEDICINE
Graduated 1997 (29 years in practice)
Group practice Main Line Allergy , L.L.P. — 6 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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