Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Hillary Gordon, MD

Individual provider Pediatric Allergy/Immunology Physician · NPI 1851667752

Hillary Gordon, MD practises Allergy/Immunology in Ardmore, Pennsylvania. Graduated from Jefferson Medical College of Thomas Jefferson University in 2012, 14 years ago. Practices with Main Line Allergy , LLP, a 6-clinician group and accepts Medicare assignment. Licensed in Delaware and Pennsylvania.

Years since qualifying
14
Trained at
Jefferson Medical College of Thomas Jefferson University
Licensed in
DE, PA
In the registry since
2012
Specialties on file
2
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 19003-2395
Phone: (610) 642-1643
Fax: (610) 642-0245
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatric Allergy/Immunology Physician (primary) Taxonomy 2080P0201X · Licence MD454558 (PA)
Pediatric Allergy/Immunology Physician Taxonomy 2080P0201X · Licence C1-0012218 (DE)

Record details

NPI number1851667752
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 26, 2012
Last updated in NPPESFebruary 13, 2025
Certification dateFebruary 13, 2025

Medicare enrollment

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

Medicare specialtyALLERGY/IMMUNOLOGY
Medical schoolJEFFERSON MEDICAL COLLEGE OF THOMAS JEFFERSON UNIVERSITY
Graduated 2012 (14 years in practice)
Group practice Main Line Allergy , L.L.P. — 6 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients54
Services billed 1,483 a service is one billed item, such as a visit, a test or a procedure
Average patient age71

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Payments from drug and device companies, 2025

Drug and device makers are required by federal law (the Physician Payments Sunshine Act) to report what they pay or give to clinicians, and CMS publishes the reports as Open Payments. This is the 2025 program year. A report is a record of a payment, not an allegation of anything, and many are small items such as meals. Only general payments are listed here; research payments and ownership or investment interests are reported separately by CMS and are not shown.

Food and Beverage $1,962 92 payments · a meal or drink at a meeting or visit, not a fee
Education $3 1 payment · educational material or training, not a fee

Each amount is the sum of what companies reported for that kind of payment in 2025, rounded to the dollar. Not all of it is income to the clinician: a meal is not a fee, a charitable contribution goes to a charity, and a royalty or an acquisition payment is not a salary.

Check a report, or dispute one, at the source in CMS’s own tool, Open Payments. Corrections go through CMS’s dispute process. This site removes a home address on request and asks for no proof, because that is privacy; it will not remove an accurate payment report on request, because that is a statutory public disclosure.

Colleagues at Main Line Allergy , LLP

Clinicians the CMS Doctors & Clinicians file lists under the same group practice.