NPPES file of Aug 9, 2026

Zain Siddiqui, MD

Radiation Oncology Physician · Hershey, PA

Zain Siddiqui, MD is a radiation oncology physician with a practice address in Hershey, Pennsylvania, and NPI 1134809973, issued on Jul 18, 2023. Check the license (Pennsylvania MD481379, 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
1134809973
Name
Zain Siddiqui
Credential
MD
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
MD481379 PA
Self-reported in NPPES; status is on the state search
Practice location
500 University Drive, Hershey, PA 17033
Phone
(717) 531-1523
Enumerated
Jul 18, 2023
Record last updated
Jul 25, 2023
Medicare enrollment
Enrolled (PECOS I20230727002706); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 500 University Drive

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

  1. Arvin Abadilla, M.D.Pediatrics Physician1376761510
  2. Abigale Adams, CRNPPediatric Critical Care Medicine Physician1386281624
  3. Tara Agnew, DNP, CRNACertified Registered Nurse Anesthetist1134810211
  4. Nadia Aissaoui, MDCardiovascular Disease Physician1124669213
  5. Hussain Al Yousif, MDDiagnostic Radiology Physician1073154290
  6. Tarik Ali, M.D.Vascular Surgery Physician1003172867

Verify Zain Siddiqui 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 MD481379
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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32% fewer Medicare Part D claims than the average radiation oncology physician in 2024

91 Medicare Part D claims for 43 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. 12 claims were for opioids.

  1. Zain Siddiqui91
  2. Specialty average134

Most prescribed

  1. Tamsulosin Hcl30 claims
  2. Bicalutamide20 claims

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.

Industry payments in 2024: $319.04

3 payments; by number, the most common kind was food and beverage; the largest payer was RefleXion Medical, Inc. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Zain Siddiqui$319.04
  2. Specialty average$1,897.85

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. The Milton S Hershey Medical Center Physicians GroupHershey, PA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Zain Siddiqui among 383 radiation oncology physician records in Pennsylvania

Zain Siddiqui, MD is one of 383 radiation oncology physician records with a practice address in Pennsylvania. 82% 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 98% of them.

  • NPI issued2023 · 98% of these records are older, 1% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 75% of these records are
  • Graduated2018 · median 2004 among the 285 with a school on file
  • Record last updated2023 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Radiation Oncology Physician providers in Pennsylvania

There are 383 radiation oncology physician records in Pennsylvania.

The 8 radiation oncology physician records with the nearest ZIP codes

  1. Ajay Bhatnagar, MDHershey, PA 170331417161704
  2. Mitchell Machtay, M.D.Hershey, PA 170331528081437
  3. Joseph Miccio, MDHershey, PA 170331306200720
  4. Vinita Takiar, MDHershey, PA 170331083939318
  5. Leila Tchelebi, MDHershey, PA 170331477814606
  6. Patrick Thomas, MDHershey, PA 170331457306037
  7. Leonard Tuanquin, M.D.Hershey, PA 170331174786412
  8. Aruna Turaka, MDHershey, PA 170331932346525

Common questions

What is Zain Siddiqui, MD's NPI number?

Zain Siddiqui, MD's National Provider Identifier (NPI) is 1134809973, issued on Jul 18, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Zain Siddiqui, MD located?

The NPPES record lists a practice address at 500 University Drive, Hershey, PA, 17033. Phone: (717) 531-1523. Providers update this record themselves, so call before visiting.

How can I verify Zain Siddiqui, MD's license?

NPPES lists Pennsylvania license number MD481379, 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 Zain Siddiqui, MD prescribe under Medicare Part D?

In 2024, Zain Siddiqui, MD had 91 Medicare Part D claims for 43 beneficiaries; the average among radiation oncology physician prescribers was 134. 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.