NPPES file of Aug 9, 2026

Mary Shea O'Brien, MD

Obstetrics & Gynecology Physician · Louisville, KY

Mary Shea O'Brien, MD is an obstetrics & gynecology physician with a practice address in Louisville, Kentucky, and NPI 1083118863, issued on Mar 19, 2018. Check the license (Kentucky TP346, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1083118863
Name
Mary Shea O'Brien
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
TP346 KY
Self-reported in NPPES; status is on the state search
Practice location
4123 Dutchmans LN Ste 500, Louisville, KY 40207
Phone
(502) 894-9494
Enumerated
Mar 19, 2018
Record last updated
Jul 30, 2024
Fax
(502) 894-9404
Medicare enrollment
Enrolled (PECOS I20240906003451); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 4123 Dutchmans LN Ste 500

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Catherine Case, MDObstetrics & Gynecology Physician1003808130
  2. Sara Evans, D.O.Obstetrics & Gynecology Physician1396163085
  3. Amy Houser, DOObstetrics & Gynecology Physician1811346844
  4. Kara Knapp, MDObstetrics & Gynecology Physician1003348541
  5. Molly Tuller, MDObstetrics & Gynecology Physician1184157570
  6. Heather Wilson, MDObstetrics Physician1013971431

Verify Mary Shea O'Brien in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersKentucky Board of Medical Licensure
    Search for license TP346
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Kentucky license search

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67% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

54 Medicare Part D claims for 31 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. 11 claims were for opioids.

  1. Mary O'Brien54
  2. Specialty average165

Most prescribed

  1. Ibu19 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: $549.95

4 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.

  1. Mary O'Brien$549.95
  2. Specialty average$1,030.61

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Community Medical Associates IncLouisville, KY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mary Shea O'Brien among 528 obstetrics & gynecology physician records in Kentucky

Mary Shea O'Brien, MD is one of 528 obstetrics & gynecology physician records with a practice address in Kentucky. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 91% of them.

  • NPI issued2018 · 91% of these records are older, 8% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated2020 · median 2004 among the 355 with a school on file
  • Record last updated2024 · 57% 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 Kentucky 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 Kentucky

There are 528 obstetrics & gynecology physician records in Kentucky.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Joseph Bilotta, MDLouisville, KY 402071528066388
  2. Herbert Boyd, MDLouisville, KY 402071558369587
  3. Monica Brown, M.D.Louisville, KY 402071063417970
  4. Susan Bunch, M.D.Louisville, KY 402071801891965
  5. Catherine Case, MDLouisville, KY 402071003808130
  6. Jennifer Evans, MDLouisville, KY 402071508864422
  7. Anna Feitelson, MDLouisville, KY 402071285633396
  8. James Graham, M.D.Louisville, KY 402071356346167

Common questions

What is Mary Shea O'Brien, MD's NPI number?

Mary Shea O'Brien, MD's National Provider Identifier (NPI) is 1083118863, issued on Mar 19, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Mary Shea O'Brien, MD located?

The NPPES record lists a practice address at 4123 Dutchmans LN Ste 500, Louisville, KY, 40207. Phone: (502) 894-9494. Providers update this record themselves, so call before visiting.

How can I verify Mary Shea O'Brien, MD's license?

NPPES lists Kentucky license number TP346, as entered by the provider. Search the Kentucky Board of Medical Licensure at https://web1.ky.gov/GenSearch/LicenseSearch.aspx?AGY=5. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mary Shea O'Brien, MD prescribe under Medicare Part D?

In 2024, Mary Shea O'Brien, MD had 54 Medicare Part D claims for 31 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.