Quick answers
- Does Ian R. Schreibman accept Medicare assignment?
- Yes. Medicare's clinician data says Ian R. Schreibman 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 Ian R. Schreibman see?
- In 2024, CMS data shows 241 Original Medicare patients and 355 services for Ian R. Schreibman. This counts Original Medicare only and measures volume, not quality.
- What is Ian R. Schreibman's NPI number?
- 1104884709. 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 Ian R. Schreibman, 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 | 241 |
|---|---|
| Services billed to Medicare | 355 |
| Different services or procedures | 29 |
| Participating Medicare provider | Yes |
| Average age of these patients | 70 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)70 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)69 services
- Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)33 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)23 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)22 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 blood pressure74%
- High cholesterol73%
- Arthritis41%
- Diabetes40%
- Chronic kidney disease35%
- Depression31%
Hospitals where Ian R. Schreibman works
Medicare's Facility Affiliation Data lists Ian R. Schreibman 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 Holy Spirit Medical CenterCamp Hill, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390004
- WellSpan Chambersburg HospitalChambersburg, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390151
- WellSpan Good Samaritan HospitalLebanon, PA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 390066
- WellSpan York HospitalYork, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390046
Practice locations
Addresses where Ian R. Schreibman is enrolled with Medicare (CMS data updated October 2, 2026).
- 500 Universidy DrHershey, PA 17033 (717) 531‑8141
Group practices
Medicare enrollment lists Ian R. Schreibman 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
- Gastroenterologyprimary
Other gastroenterologists 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 |
|---|---|
| Medical school | New York University School Of Medicine |
| Graduation year | 1999 (27 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1104884709 |
| 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