Individual provider Active NPI

Emily O'Brien, MD

  • Maternal & Fetal Medicine Physician
  • Madison, WI
National Provider Identifier
1699425124
Registry record updated Jul 24, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Maternal & Fetal Medicine PhysicianTaxonomy code 207VM0101X
License
87158-20 Issued in WI
Practice address
202 S Park St
Madison, WI 53715-1507
Phone
(608) 417-6228
NPI assigned
Mar 27, 2022
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 24, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Maternal & Fetal Medicine Physician 207VM0101X 87158-20 WI Primary

Addresses

Primary practice location

202 S Park St
Madison, WI 53715-1507

Mailing address

7974 Uw Health CT
Middleton, WI 53562-5531

Other practice location 1

500 University Dr
Hershey, PA 17033-2360
Phone (717) 531-8521

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in PA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20220819002976 PA Order and Referring Only - Obstetrics/GynecologyPractitioner - Obstetrics/Gynecology 4789067935

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1648339200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784851200000",
    "number": "1699425124",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7974 UW HEALTH CT",
            "city": "MIDDLETON",
            "state": "WI",
            "postal_code": "535625531"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "202 S PARK ST",
            "city": "MADISON",
            "state": "WI",
            "postal_code": "537151507",
            "telephone_number": "608-417-6228"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "500 University Dr",
            "address_purpose": "LOCATION",
            "city": "Hershey",
            "state": "PA",
            "postal_code": "170332360",
            "country_code": "US",
            "telephone_number": "717-531-8521",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "O'BRIEN",
        "first_name": "EMILY",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-03-27",
        "last_updated": "2026-07-24",
        "certification_date": "2026-07-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207VM0101X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Maternal & Fetal Medicine",
            "state": "WI",
            "license": "87158-20",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Madison, WI

Sources for this page

Verify at the official NPI Registry.