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MARY ELIZABETH HARSHBERGER
NPI 1811846512
Physician Assistant in Oswego, IL

Active since January 26, 2026
457 BURR OAK DR, OSWEGO, IL 60543(630) 486-6498 Get Directions Write a Review

NPPES record last updated: January 26, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mary Elizabeth Harshberger NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARY ELIZABETH HARSHBERGER (NPI 1811846512) is an individual physician assistant in Oswego, Illinois and active in the NPI registry since January 2026.

NPPES Registry Identity

NPI1811846512
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMARY ELIZABETH HARSHBERGER
Location Address457 BURR OAK DROswego, IL 60543-7503
Mailing Address457 Burr Oak DrOswego, IL 60543-7503 · (630) 486-6498
Phone(630) 486-6498
Sole ProprietorYes
Enumeration DateJanuary 26, 2026
NPPES CertifiedJanuary 26, 2026
✔ NPI 1811846512 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
457 BURR OAK DR, Oswego, IL 60543
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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mary Harshberger's NPI number?

The NPI number for Mary Harshberger is 1811846512. It was assigned to this individual provider in the NPPES registry on January 26, 2026.

Where is Mary Harshberger located?

Mary Harshberger practices at 457 Burr Oak Dr, Oswego, IL 60543. The listed phone number is (630) 486-6498.

What is Mary Harshberger's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

When was this NPI record last updated?

The NPPES record for Mary Harshberger was last updated on January 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.