Karlie O'Brien, MD
Obstetrics & Gynecology Physician · Columbia, MO
Karlie O'Brien, MD is an obstetrics & gynecology physician with a practice address in Columbia, Missouri, and NPI 1861069759, issued on Jun 8, 2021. Check the license (Missouri 2023027030, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Karlie O'Brien
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 2023027030 MO
Self-reported in NPPES; status is on the state search - Practice location
- 404 N Keene St, Columbia, MO 65201
- Phone
- (573) 817-3096
- Enumerated
- Jun 8, 2021
- Record last updated
- Jul 7, 2023
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 902 in Missouri → Look up another NPI →
Also registered at 404 N Keene St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Lori Anderson, A.P.R.N.Advanced Practice Midwife1811327315
- Nia Aragon, NNPNeonatal Nurse Practitioner1205381019
- Krysta Arnold, P.A.Surgical Physician Assistant1851517130
- Alicia Bach, M.D.Pediatric Hematology & Oncology Physician1629455365
- Nathan Beckett, MDPediatrics Physician1013403054
Verify Karlie O'Brien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2023027030Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
52 Medicare Part D claims for 22 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Most prescribed
- Oxycodone Hcl14 claims
- Fluconazole12 claims
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.
Industry payments in 2024: $412.47
7 payments; by number, the most common kind was food and beverage; the largest payer was Medical Device Business Services, Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Karlie O'Brien among 902 obstetrics & gynecology physician records in Missouri
Karlie O'Brien, MD is one of 902 obstetrics & gynecology physician records with a practice address in Missouri. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 87% of them.
- NPI issued2021 · 87% of these records are older, 10% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2023 · 55% 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 Missouri 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 Missouri
There are 902 obstetrics & gynecology physician records in Missouri.
All 902 in Missouri → Every provider in Columbia → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Mary Benton, MDColumbia, MO 652011326085051
- Michael Burks, MDColumbia, MO 652011871552075
- John Cassels, MDColumbia, MO 652011295783157
- Randall Floyd, MDColumbia, MO 652011659339943
- John Gay, MDColumbia, MO 652011982652632
- Laura Grant, M.D.Columbia, MO 652011932178720
- Kevin Jones, M.D.Columbia, MO 652011710956966
- David Moreton, M.D.Columbia, MO 652011285603894
Common questions
What is Karlie O'Brien, MD's NPI number?
Karlie O'Brien, MD's National Provider Identifier (NPI) is 1861069759, issued on Jun 8, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Karlie O'Brien, MD located?
The NPPES record lists a practice address at 404 N Keene St, Columbia, MO, 65201. Phone: (573) 817-3096. Providers update this record themselves, so call before visiting.
How can I verify Karlie O'Brien, MD's license?
NPPES lists Missouri license number 2023027030, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Karlie O'Brien, MD prescribe under Medicare Part D?
In 2024, Karlie O'Brien, MD had 52 Medicare Part D claims for 22 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.