Madison O'Brien, MD
Obstetrics & Gynecology Physician · Little Rock, AR
Madison O'Brien, MD is an obstetrics & gynecology physician with a practice address in Little Rock, Arkansas, and NPI 1124762505, issued on Apr 22, 2022. Check the license on the Arkansas State Medical Board; the Medicare figures below come from public CMS files.
- Name
- Madison O'Brien
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 14281722-1205 UT
Self-reported in NPPES; status is on the state search - Practice location
- 4301 W Markham St # 518, Little Rock, AR 72205
- Phone
- (501) 526-7569
- Enumerated
- Apr 22, 2022
- Record last updated
- May 13, 2026
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 278 in Arkansas → Look up another NPI →
Also registered at 4301 W Markham St # 518
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ashley Clement, MDStudent in an Organized Health Care Education/Training Program1386494573
- Tucker DoironObstetrics & Gynecology Physician1649731944
- Jordyn Ducote, MDStudent in an Organized Health Care Education/Training Program1154260628
- Ryan HuiStudent in an Organized Health Care Education/Training Program1134861180
- Michele Jernigan, NPWomen's Health Nurse Practitioner1770666869
- Emma JohnsonStudent in an Organized Health Care Education/Training Program1174219299
Verify Madison O'Brien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArkansas State Medical BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
33 Medicare Part D claims for 21 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. 11 claims were for opioids.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Madison O'Brien among 278 obstetrics & gynecology physician records in Arkansas
Madison O'Brien, MD is one of 278 obstetrics & gynecology physician records with a practice address in Arkansas. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 98% of them.
- NPI issued2022 · 98% of these records are older, under 1% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2026 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Arkansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Arkansas
There are 278 obstetrics & gynecology physician records in Arkansas.
All 278 in Arkansas → Every provider in Little Rock → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Gaylon Brunson, M.D.Little Rock, AR 722051154300648
- Kay Chandler, M.D.Little Rock, AR 722051922075746
- Michael Cope, MDLittle Rock, AR 722051588639959
- Joel Dickens, MDLittle Rock, AR 722051306808910
- David Grimes, MDLittle Rock, AR 722051548229909
- Caroline May, M.D.Little Rock, AR 722051144288879
- Juan Roman-Lopez, MDLittle Rock, AR 722051497717045
- Orman Simmons, M.D.Little Rock, AR 722051821065491
Common questions
What is Madison O'Brien, MD's NPI number?
Madison O'Brien, MD's National Provider Identifier (NPI) is 1124762505, issued on Apr 22, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Madison O'Brien, MD located?
The NPPES record lists a practice address at 4301 W Markham St # 518, Little Rock, AR, 72205. Phone: (501) 526-7569. Providers update this record themselves, so call before visiting.
How can I verify Madison O'Brien, MD's license?
Search the Arkansas State Medical Board at https://armedicalboard.adh.arkansas.gov/public/verify/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Madison O'Brien, MD prescribe under Medicare Part D?
In 2024, Madison O'Brien, MD had 33 Medicare Part D claims for 21 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.