Timothy Nissen, DO
NPI 1114480217 · Pediatric Cardiology Physician · Little Rock, AR
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Nissen, DO is a Pediatric Cardiology Physician provider in Little Rock, AR (NPI 1114480217).
Provider details
- NPI number
- 1114480217
- Entity type
- Individual
- Primary specialty
- Pediatric Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- E-15736 (AR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 4301 W Markham St # 783Little Rock, AR 72205-7101Phone: (501) 686-8000Fax: (501) 526-5148
Registry dates
- Enumerated
- 2019-04-08
- Last updated
- 2025-08-25
- Certified
- 2025-08-25
Frequently asked questions
- What is Timothy Nissen's NPI number?
- Timothy Nissen's National Provider Identifier (NPI) is 1114480217, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Nissen's specialty?
- Timothy Nissen is listed in the NPPES registry with a primary specialty of Pediatric Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Nissen located?
- Timothy Nissen's practice location on file with NPPES is 1 Childrens Way # 512-19a, Little Rock, AR 72202-3500.
- What is Timothy Nissen's phone number?
- The practice phone number listed in the NPPES registry for Timothy Nissen is (501) 364-1874.
- Does Timothy Nissen accept Medicare?
- Timothy Nissen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Nissen's NPI active?
- Yes — Timothy Nissen's NPI (1114480217) is active in the NPPES registry as of the last update on 2025-08-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.