Quick answers
- Does Zain Siddiqui accept Medicare assignment?
- Yes. Medicare's clinician data says Zain Siddiqui accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Zain Siddiqui see?
- In 2024, CMS data shows 123 Original Medicare patients and 979 services for Zain Siddiqui. This counts Original Medicare only and measures volume, not quality.
- What is Zain Siddiqui's NPI number?
- 1134809973. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Zain Siddiqui, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 123 |
|---|---|
| Services billed to Medicare | 979 |
| Different services or procedures | 35 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Ct guidance for insertion of radiation therapy fields (77014)433 services
- Calculation of radiation therapy dose (77300)109 services
- Radiation treatment management, 5 treatment sessions (77427)88 services
- Design and construction of complex radiation treatment device (77334)61 services
- New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)54 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)75%
- High blood pressure73%
- Diabetes33%
- Arthritis33%
- Chronic kidney disease30%
Hospitals where Zain Siddiqui works
Medicare's Facility Affiliation Data lists Zain Siddiqui at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Milton S Hershey Medical CenterHershey, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390256
- Penn State Health Hampden Medical CenterEnola, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390336
- Penn State Health Holy Spirit Medical CenterCamp Hill, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390004
- Penn State Health Lancaster Medical CenterLancaster, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390339
Practice locations
Addresses where Zain Siddiqui is enrolled with Medicare (CMS data updated October 2, 2026).
- 500 Universidy DrHershey, PA 17033 (717) 531‑8131
Group practices
Medicare enrollment lists Zain Siddiqui as a member of this group (CMS data updated October 2, 2026).
- The Milton S Hershey Medical Center Physicians Group1,623 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in Hershey
Clinicians with the same Medicare primary specialty in Hershey, PA — not a recommendation.
Other clinicians in The Milton S Hershey Medical Center Physicians Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2018 (8 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1134809973 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians