Quick answers
- Which hospitals does Nathan E. Welty work at?
- Medicare's official clinician data lists Nathan E. Welty at 1 hospital: Hospital of Univ of Pennsylvania. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Nathan E. Welty see patients?
- Medicare's clinician data lists 1 practice location in Philadelphia, PA. Call before your visit to confirm the address.
- What is Nathan E. Welty's specialty?
- Medicare lists Medical Oncology as the primary specialty, and also Internal Medicine.
- Does Nathan E. Welty accept Medicare assignment?
- Yes. Medicare's clinician data says Nathan E. Welty 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 Nathan E. Welty?
- (215) 615-5858, as listed in official Medicare / NPI Registry data.
- What is Nathan E. Welty's NPI number?
- 1710331137. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Nathan E. Welty works
Medicare's Facility Affiliation Data lists Nathan E. Welty at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Hospital of Univ of PennsylvaniaPhiladelphia, PA · Acute Care Hospital · CCN 390111
Practice locations
Addresses where Nathan E. Welty is enrolled with Medicare (CMS data updated 2026-10-02).
- 3400 Spruce StPhiladelphia, PA 19104 (215) 615‑5858
Group practices
Medicare enrollment lists Nathan E. Welty as a member of this group (CMS data updated 2026-10-02).
- University of Penn - Medical Group3,505 clinicians in the group
Specialties
- Medical Oncologyprimary
- Internal Medicinealso
Other oncologists in Philadelphia
Clinicians with the same Medicare primary specialty in Philadelphia, PA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Minnesota Medical School |
| Graduation year | 2016 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1710331137 |
| 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