Nicholas Callais, MD
NPI 1275274375 · Student in an Organized Health Care Education/Training Program · Little Rock, AR
Enrolled with Medicare as Order and Referring Only - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicholas Callais, MD is a Student in an Organized Health Care Education/Training Program provider in Little Rock, AR (NPI 1275274375).
Provider details
- NPI number
- 1275274375
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2022-04-05
- Last updated
- 2022-04-06
- Certified
- 2022-04-06
Frequently asked questions
- What is Nicholas Callais's NPI number?
- Nicholas Callais's National Provider Identifier (NPI) is 1275274375, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Callais's specialty?
- Nicholas Callais is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Nicholas Callais located?
- Nicholas Callais's practice location on file with NPPES is 4301 West Markham, Slot 520, Little Rock, AR 72205.
- What is Nicholas Callais's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Callais is (501) 686-6627.
- Does Nicholas Callais accept Medicare?
- Nicholas Callais is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicholas Callais's NPI active?
- Yes — Nicholas Callais's NPI (1275274375) is active in the NPPES registry as of the last update on 2022-04-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.