Quick answers
- Does Stefan A. Longobardi accept Medicare assignment?
- Yes. Medicare's clinician data says Stefan A. Longobardi 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.
- What is Stefan A. Longobardi's NPI number?
- 1548910458. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Stefan A. Longobardi works
Medicare's Facility Affiliation Data lists Stefan A. Longobardi 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.
- University of Arkansas Medical SciencesLittle Rock, AR · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 040016
Practice locations
Addresses where Stefan A. Longobardi is enrolled with Medicare (CMS data updated October 2, 2026).
- 4301 W Markam StLittle Rock, AR 72205 (501) 686‑8000
Group practices
Medicare enrollment lists Stefan A. Longobardi as a member of this group (CMS data updated October 2, 2026).
- University of Arkansas for Medical Sciences1,175 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Little Rock
Clinicians with the same Medicare primary specialty in Little Rock, AR — not a recommendation.
Other clinicians in University of Arkansas for Medical Sciences
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2022 (4 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1548910458 |
| 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
- 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