Quick answers
- Which hospitals does Nicholas Piening work at?
- Medicare's official clinician data lists Nicholas Piening at 1 hospital: SSM Health Depaul Hospital St Louis. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Nicholas Piening see patients?
- Medicare's clinician data lists 2 practice locations, including Saint Louis, MO. Call before your visit to confirm the address.
- What is Nicholas Piening's specialty?
- Medicare lists Vascular Surgery as the primary specialty.
- Does Nicholas Piening accept Medicare assignment?
- Medicare's clinician data says Nicholas Piening may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is Nicholas Piening's NPI number?
- 1073178786. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Nicholas Piening works
Medicare's Facility Affiliation Data lists Nicholas Piening at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- SSM Health Depaul Hospital St LouisBridgeton, MO · Acute Care Hospital · CCN 260104
Practice locations
Addresses where Nicholas Piening is enrolled with Medicare (CMS data updated 2026-10-02).
- PO BoxSaint Louis, MO 63195
- PO Box, Suite 954467Saint Louis, MO 63195
Specialties
- Vascular Surgeryprimary
Other vascular surgeons in Saint Louis
Clinicians with the same Medicare primary specialty in Saint Louis, MO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1073178786 |
| 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