Quick answers
- Which hospitals does Timothy E. Nissen work at?
- Medicare's official clinician data lists Timothy E. Nissen at 1 hospital: Arkansas Children's Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Timothy E. Nissen see patients?
- Medicare's clinician data lists 1 practice location in Little Rock, AR. Call before your visit to confirm the address.
- What is Timothy E. Nissen's specialty?
- Medicare lists Pediatric Medicine as the primary specialty.
- Does Timothy E. Nissen accept Medicare assignment?
- Yes. Medicare's clinician data says Timothy E. Nissen 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 Timothy E. Nissen?
- (501) 364-2526, as listed in official Medicare / NPI Registry data.
- What is Timothy E. Nissen's NPI number?
- 1114480217. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Timothy E. Nissen works
Medicare's Facility Affiliation Data lists Timothy E. Nissen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Arkansas Children's HospitalLittle Rock, AR · Children's Hospital · CCN 043300
Practice locations
Addresses where Timothy E. Nissen is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Childrens WayLittle Rock, AR 72202 (501) 364‑2526
Group practices
Medicare enrollment lists Timothy E. Nissen as a member of this group (CMS data updated 2026-10-02).
- Arkansas Childrens Professional Services Organization LLC184 clinicians in the group
Specialties
- Pediatric Medicineprimary
Other pediatricians in Little Rock
Clinicians with the same Medicare primary specialty in Little Rock, AR — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Oklahoma State University College Of Osteopathic Medicine |
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1114480217 |
| 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