Quick answers
- Which hospitals does David S. Siu work at?
- Medicare's official clinician data lists David S. Siu at 4 hospitals: Gettysburg Hospital, UPMC Hanover, UPMC Memorial and WellSpan York Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does David S. Siu see patients?
- Medicare's clinician data lists 1 practice location in York, PA. Call before your visit to confirm the address.
- What is David S. Siu's specialty?
- Medicare lists Nephrology as the primary specialty.
- Does David S. Siu accept Medicare assignment?
- Yes. Medicare's clinician data says David S. Siu accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for David S. Siu?
- (717) 747-3566, as listed in official Medicare / NPI Registry data.
- What is David S. Siu's NPI number?
- 1255303939. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where David S. Siu works
Medicare's Facility Affiliation Data lists David S. Siu at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Gettysburg HospitalGettysburg, PA · Acute Care Hospital · CCN 390065
- UPMC HanoverHanover, PA · Acute Care Hospital · CCN 390233
- UPMC MemorialYork, PA · Acute Care Hospital · CCN 390101
- WellSpan York HospitalYork, PA · Acute Care Hospital · CCN 390046
Practice locations
Addresses where David S. Siu is enrolled with Medicare (CMS data updated 2026-10-02).
- 1920 Queenswood Dr, Suite 200York, PA 17403 (717) 747‑3566
Group practices
Medicare enrollment lists David S. Siu as a member of this group (CMS data updated 2026-10-02).
- Nephrology Associates of York PC8 clinicians in the group
Specialties
- Nephrologyprimary
Other nephrologists in York
Clinicians with the same Medicare primary specialty in York, PA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University |
| Graduation year | 1999 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1255303939 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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