NPPES file of Aug 9, 2026

Emily O'Brien, MD

Maternal & Fetal Medicine Physician · Madison, WI

Emily O'Brien, MD is a maternal & fetal medicine physician with a practice address in Madison, Wisconsin, and NPI 1699425124, issued on Mar 27, 2022. Check the license (Wisconsin 87158-20, as entered in NPPES) on the Wisconsin Medical Examining Board; 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
1699425124
Name
Emily O'Brien
Credential
MD
Primary taxonomy
Maternal & Fetal Medicine Physician 207VM0101X
License number
87158-20 WI
Self-reported in NPPES; status is on the state search
Practice location
202 S Park St, Madison, WI 53715
Phone
(608) 417-6228
Enumerated
Mar 27, 2022
Record last updated
Jul 24, 2026
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 202 S Park St

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

  1. Jacquelyn Adams, M.D.Maternal & Fetal Medicine Physician1811330376
  2. Lynsi Albright, PTAPhysical Therapy Assistant1225380645
  3. Ibrahim Ali, MDInternal Medicine Physician1588292023
  4. William Alward, MDPulmonary Disease Physician1609880939
  5. Iliya Amaza, M.D.Pulmonary Disease Physician1205242732
  6. Jose Anaya, M.D.Internal Medicine Physician1679717680

Verify Emily O'Brien in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 87158-20
    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 Wisconsin license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

66% fewer Medicare Part D claims than the average maternal & fetal medicine physician in 2024

14 Medicare Part D claims for 11 beneficiaries, against an average of 41 among the 353 providers of this specialty who prescribed in Part D.

  1. Emily O'Brien14
  2. Specialty average41

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.

Emily O'Brien among 56 maternal & fetal medicine physician records in Wisconsin

Emily O'Brien, MD is one of 56 maternal & fetal medicine physician records with a practice address in Wisconsin. 82% 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, 0% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileNo · 71% of these records are
  • Record last updated2026 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VM0101X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Maternal & Fetal Medicine Physician providers in Wisconsin

There are 56 maternal & fetal medicine physician records in Wisconsin.

The 8 maternal & fetal medicine physician records with the nearest ZIP codes

  1. Jacquelyn Adams, M.D.Madison, WI 537151811330376
  2. Erin Bailey, MDMadison, WI 537151841729076
  3. Michael Balistreri, M.D.Madison, WI 537151225353055
  4. Michael Beninati, MDMadison, WI 537151033453600
  5. Susan Davidson, MDMadison, WI 537151841232873
  6. Sabine Droste, MDMadison, WI 537151174599294
  7. Kara Hoppe, D.O.Madison, WI 537151063677920
  8. Christopher Huls, MDMadison, WI 537151609842764

Common questions

What is Emily O'Brien, MD's NPI number?

Emily O'Brien, MD's National Provider Identifier (NPI) is 1699425124, issued on Mar 27, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Emily O'Brien, MD located?

The NPPES record lists a practice address at 202 S Park St, Madison, WI, 53715. Phone: (608) 417-6228. Providers update this record themselves, so call before visiting.

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

NPPES lists Wisconsin license number 87158-20, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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

In 2024, Emily O'Brien, MD had 14 Medicare Part D claims for 11 beneficiaries; the average among maternal & fetal medicine physician prescribers was 41. 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.