Quick answers
- Which hospitals does Nathaniel R. Piel work at?
- Medicare's official clinician data lists Nathaniel R. Piel at 2 hospitals: Parkwest Medical Center and University Health System, Inc. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Nathaniel R. Piel see patients?
- Medicare's clinician data lists 1 practice location in Knoxville, TN. Call before your visit to confirm the address.
- What is Nathaniel R. Piel's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Nathaniel R. Piel accept Medicare assignment?
- Yes. Medicare's clinician data says Nathaniel R. Piel 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.
- Does Nathaniel R. Piel offer telehealth?
- Medicare's clinician data says Nathaniel R. Piel offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Nathaniel R. Piel?
- (865) 288-1548, as listed in official Medicare / NPI Registry data.
- What is Nathaniel R. Piel's NPI number?
- 1649565755. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Nathaniel R. Piel works
Medicare's Facility Affiliation Data lists Nathaniel R. Piel at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Parkwest Medical CenterKnoxville, TN · Acute Care Hospital · CCN 440173
- University Health System, IncKnoxville, TN · Acute Care Hospital · CCN 440015
Practice locations
Addresses where Nathaniel R. Piel is enrolled with Medicare (CMS data updated 2026-10-02).
- 11440 Parkside Dr, Suite 302Knoxville, TN 37934 (865) 288‑1548
Group practices
Medicare enrollment lists Nathaniel R. Piel as a member of this group (CMS data updated 2026-10-02).
- Faculty Internal Medicine PLLC12 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Knoxville
Clinicians with the same Medicare primary specialty in Knoxville, TN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Georgetown University School Of Medicine |
| Graduation year | 2011 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1649565755 |
| 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