Active NPI
Maryanne O'Brien, NP
- Women's Health Nurse Practitioner
- Indianapolis, IN
National Provider Identifier
1851185789
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Women's Health Nurse Practitioner
- License
- 71016378A
- Practice address
- 9333 N Meridian St Ste 110
Indianapolis, IN 46260-1814 - Phone
- (317) 669-0820
- Fax
- (855) 618-2432
- NPI assigned
- Apr 7, 2025
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Women's Health Nurse Practitioner | 363LW0102X | 71016378A | IN | Primary |
Addresses
Primary practice location
9333 N Meridian St Ste 110
Indianapolis, IN 46260-1814
Mailing address
9333 N Meridian St Ste 110
Indianapolis, IN 46260-1814
Phone (317) 669-0820
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Opted out of Medicare
- Yes, effective May 23, 2025 through May 23, 2027
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
- Credentials
- Nurse Practitioner
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 71016378A | IN | MD | Women's Health Nurse Practitioner |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1743984000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1743984000000",
"number": "1851185789",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "9333 N MERIDIAN ST STE 110",
"city": "INDIANAPOLIS",
"state": "IN",
"postal_code": "462601814",
"telephone_number": "317-669-0820",
"fax_number": "855-618-2432"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "9333 N MERIDIAN ST STE 110",
"city": "INDIANAPOLIS",
"state": "IN",
"postal_code": "462601814",
"telephone_number": "317-669-0820",
"fax_number": "855-618-2432"
}
],
"practiceLocations": [],
"basic": {
"last_name": "O'BRIEN",
"first_name": "MARYANNE",
"credential": "NP",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2025-04-07",
"last_updated": "2025-04-07",
"certification_date": "2025-04-07",
"status": "A"
},
"taxonomies": [
{
"code": "363LW0102X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Women's Health",
"state": "IN",
"license": "71016378A",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Indianapolis, IN
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 7, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Opt Out Affidavits.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.