NPPES file of Aug 9, 2026

Liyan Mazahreh, MD

Allergy Physician · Hershey, PA

Liyan Mazahreh, MD is an allergy physician with a practice address in Hershey, Pennsylvania, and NPI 1265137954, issued on Apr 3, 2023. Check the license (Pennsylvania MT236849, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1265137954
Name
Liyan Mazahreh
Credential
MD
Primary taxonomy
Allergy Physician 207KA0200X
License number
MT236849 PA
Self-reported in NPPES; status is on the state search
Practice location
500 University Dr, Hershey, PA 17033
Phone
(717) 531-8521
Enumerated
Apr 3, 2023
Record last updated
Aug 6, 2026
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 500 University Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Victor Abarca, CRNACertified Registered Nurse Anesthetist1003575853
  2. Aiza Abbas, MDStudent in an Organized Health Care Education/Training Program1164312500
  3. Fatemeh Abbasi, MDPulmonary Disease Physician1750878625
  4. Andrea Abbe, LDNRegistered Dietitian1366623795
  5. Mahdi Abdallah, MDStudent in an Organized Health Care Education/Training Program1497457360
  6. Ashraf Abdelhalim, MDAnesthesiology Physician1356931729

Verify Liyan Mazahreh in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MT236849
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Pennsylvania license search

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95% fewer Medicare Part D claims than the average allergy physician in 2024

34 Medicare Part D claims for 16 beneficiaries, against an average of 750 among the 645 providers of this specialty who prescribed in Part D.

  1. Liyan Mazahreh34
  2. Specialty average750

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Liyan Mazahreh among 36 allergy physician records in Pennsylvania

Liyan Mazahreh, MD is one of 36 allergy physician records with a practice address in Pennsylvania. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 97% of them.

  • NPI issued2023 · 97% of these records are older, 0% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileNo · 42% of these records are
  • Record last updated2026 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207KA0200X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Allergy Physician providers in Pennsylvania

There are 36 allergy physician records in Pennsylvania.

The 8 allergy physician records with the nearest ZIP codes

  1. Lorie-Mae NicolasHershey, PA 170331497335798
  2. Joseph Trautlein, MDHarrisburg, PA 171111427320688
  3. Michael Nickels, M.D., PH.DYork, PA 174031922068493
  4. Michelle Weiss, M.D.York, PA 174031366448409
  5. Timothy McCloskey, D.O.Danville, PA 178221326002809
  6. Rajendra Singh, MDPottsville, PA 179011598760571
  7. Shannon Kearney, DOBethlehem, PA 180171306843149
  8. Rehan Mujahid, D.O.Wind Gap, PA 180911962822072

Common questions

What is Liyan Mazahreh, MD's NPI number?

Liyan Mazahreh, MD's National Provider Identifier (NPI) is 1265137954, issued on Apr 3, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Liyan Mazahreh, MD located?

The NPPES record lists a practice address at 500 University Dr, Hershey, PA, 17033. Phone: (717) 531-8521. Providers update this record themselves, so call before visiting.

How can I verify Liyan Mazahreh, MD's license?

NPPES lists Pennsylvania license number MT236849, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Liyan Mazahreh, MD prescribe under Medicare Part D?

In 2024, Liyan Mazahreh, MD had 34 Medicare Part D claims for 16 beneficiaries; the average among allergy physician prescribers was 750. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.