Maryanne O'Brien, NP
NPI 1851185789 · Women's Health Nurse Practitioner · Indianapolis, IN
Maryanne O'Brien, NP is a Women's Health Nurse Practitioner provider in Indianapolis, IN (NPI 1851185789).
Provider details
- NPI number
- 1851185789
- Entity type
- Individual
- Primary specialty
- Women's Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 71016378A (IN)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-04-07
- Last updated
- 2025-04-07
- Certified
- 2025-04-07
Frequently asked questions
- What is Maryanne O'Brien's NPI number?
- Maryanne O'Brien's National Provider Identifier (NPI) is 1851185789, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maryanne O'Brien's specialty?
- Maryanne O'Brien is listed in the NPPES registry with a primary specialty of Women's Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Maryanne O'Brien located?
- Maryanne O'Brien's practice location on file with NPPES is 9333 N Meridian St Ste 110, Indianapolis, IN 46260-1814.
- What is Maryanne O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Maryanne O'Brien is (317) 669-0820.
- Is Maryanne O'Brien's NPI active?
- Yes — Maryanne O'Brien's NPI (1851185789) is active in the NPPES registry as of the last update on 2025-04-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.