Madison O'Brien, MD
NPI 1124762505 · Obstetrics & Gynecology Physician · Little Rock, AR
Enrolled with Medicare as Order and Referring Only - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Madison O'Brien, MD is a Obstetrics & Gynecology Physician provider in Little Rock, AR (NPI 1124762505).
Provider details
- NPI number
- 1124762505
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 14281722-1205 (UT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
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)
- 8th Ave C StSalt Lake City, UT 84143-0001Phone: (801) 408-3460
Registry dates
- Enumerated
- 2022-04-22
- Last updated
- 2026-05-13
- Certified
- 2026-05-13
Frequently asked questions
- What is Madison O'Brien's NPI number?
- Madison O'Brien's National Provider Identifier (NPI) is 1124762505, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Madison O'Brien's specialty?
- Madison O'Brien is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Madison O'Brien located?
- Madison O'Brien's practice location on file with NPPES is 4301 W Markham St # 518, Little Rock, AR 72205-7101.
- What is Madison O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Madison O'Brien is (501) 526-7569.
- Does Madison O'Brien accept Medicare?
- Madison O'Brien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Madison O'Brien's NPI active?
- Yes — Madison O'Brien's NPI (1124762505) is active in the NPPES registry as of the last update on 2026-05-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.