Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

LIYAN MAZAHREH MD
NPI 1265137954
Allergy & Immunology - Allergy in Hershey, PA

Active since April 03, 2023PECOS Enrolled
500 UNIVERSITY DR, HERSHEY, PA 17033(717) 531-8521 Get Directions Write a Review

NPPES record last updated: August 6, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 6, 2026, Apr 3, 2023 (2 updates tracked since 2023).

About Liyan Mazahreh Md NPPES

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

LIYAN MAZAHREH MD (NPI 1265137954) is an individual allergy provider in Hershey, Pennsylvania, licensed in Pennsylvania (MT236849) and active in the NPI registry since April 2023. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1265137954
Entity TypeIndividualFemale
Primary Taxonomy207KA0200X
Provider Legal NameLIYAN MAZAHREHCredential: MD
Location Address500 UNIVERSITY DRHershey, PA 17033-2360
Mailing Address2074 Gramercy PlHummelstown, PA 17036-7021 · (501) 799-6361
Sole ProprietorYes
Enumeration DateApril 3, 2023
Last NPPES UpdateAugust 6, 20262 updates tracked since enumeration
NPPES CertifiedAugust 6, 2026
NPI 1265137954 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyAllergy & Immunology · AllergyAllopathic & Osteopathic Physicians
Taxonomy Code207KA0200X
License Licensed in PA · MT236849
Definition
A physician who specializes in the diagnosis, treatment, and management of allergies. Source: National Uniform Claim Committee
500 UNIVERSITY DR, Hershey, PA 17033

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Liyan Mazahreh Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physician Assistant
500 UNIVERSITY DR
HERSHEY, PA 17033
Internal Medicine
500 UNIVERSITY DR, H088
HERSHEY, PA 17033
Otolaryngology
500 UNIVERSITY DR
HERSHEY, PA 17033
Surgery (Trauma Surgery)
500 UNIVERSITY DR
HERSHEY, PA 17033
Anesthesiology (Critical Care Medicine)
500 UNIVERSITY DR, BOX 3951, DAVISON BLDG, TRENT DRIVE
HERSHEY, PA 17033
Pathology (Clinical Pathology/Laboratory Medicine)
500 UNIVERSITY DR, HERSHEY MEDICAL CENTER
HERSHEY, PA 17033
Family Medicine
500 UNIVERSITY DR
HERSHEY, PA 17033
Pediatrics (Pediatric Endocrinology)
500 UNIVERSITY DR
HERSHEY, PA 17033

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 Liyan Mazahreh's NPI number?

The NPI number for Liyan Mazahreh is 1265137954. It was assigned to this individual provider in the NPPES registry on April 3, 2023.

Where is Liyan Mazahreh located?

Liyan Mazahreh practices at 500 University Dr, Hershey, PA 17033. The listed phone number is (717) 531-8521.

What is Liyan Mazahreh's specialty?

The primary specialty registered for this NPI is Allergy & Immunology, specializing in Allergy, with taxonomy code 207KA0200X.

Is Liyan Mazahreh enrolled in Medicare?

Yes. Liyan Mazahreh is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Liyan Mazahreh was last updated on August 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 days 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.