Monica O'Brien, NP
NPI 1124179007 · Adult Health Nurse Practitioner · New York, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Monica O'Brien, NP is a Adult Health Nurse Practitioner provider in New York, NY (NPI 1124179007).
Provider details
- NPI number
- 1124179007
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 301683 (NY)
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
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 403 E 34th StNew York, NY 10016-4972Phone: (212) 263-3970
Registry dates
- Enumerated
- 2007-01-16
- Last updated
- 2022-09-19
- Certified
- 2022-09-19
Frequently asked questions
- What is Monica O'Brien's NPI number?
- Monica O'Brien's National Provider Identifier (NPI) is 1124179007, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Monica O'Brien's specialty?
- Monica O'Brien is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Monica O'Brien located?
- Monica O'Brien's practice location on file with NPPES is 1 Penn Plaza, 7th Fl. Ste. 725, New York, NY 10119.
- What is Monica O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Monica O'Brien is (212) 216-6209.
- Does Monica O'Brien accept Medicare?
- Monica O'Brien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Monica O'Brien's NPI active?
- Yes — Monica O'Brien's NPI (1124179007) is active in the NPPES registry as of the last update on 2022-09-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.