Darwin Koller, M.D.
NPI 1568495638 · Pediatric Emergency Medicine (Pediatrics) Physician · Springdale, AR
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Darwin Koller, M.D. is a Pediatric Emergency Medicine (Pediatrics) Physician provider in Springdale, AR (NPI 1568495638).
Provider details
- NPI number
- 1568495638
- Entity type
- Individual
- Primary specialty
- Pediatric Emergency Medicine (Pediatrics) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- E-18596 (AR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Registry dates
- Enumerated
- 2006-07-09
- Last updated
- 2026-05-06
- Certified
- 2026-05-06
Frequently asked questions
- What is Darwin Koller's NPI number?
- Darwin Koller's National Provider Identifier (NPI) is 1568495638, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Darwin Koller's specialty?
- Darwin Koller is listed in the NPPES registry with a primary specialty of Pediatric Emergency Medicine (Pediatrics) Physician (Allopathic & Osteopathic Physicians).
- Where is Darwin Koller located?
- Darwin Koller's practice location on file with NPPES is 2601 Gene George Blvd, Springdale, AR 72762-0845.
- What is Darwin Koller's phone number?
- The practice phone number listed in the NPPES registry for Darwin Koller is (479) 725-6800.
- Does Darwin Koller accept Medicare?
- Darwin Koller is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Darwin Koller's NPI active?
- Yes — Darwin Koller's NPI (1568495638) is active in the NPPES registry as of the last update on 2026-05-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.