Carol O'Brien, NP
NPI 1023121415 · Family Nurse Practitioner · Dayton, OH
Carol O'Brien, NP is a Family Nurse Practitioner provider in Dayton, OH (NPI 1023121415).
Provider details
- NPI number
- 1023121415
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- NP03410 (OH)
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
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
- 2006-08-17
- Last updated
- 2007-08-21
Frequently asked questions
- What is Carol O'Brien's NPI number?
- Carol O'Brien's National Provider Identifier (NPI) is 1023121415, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carol O'Brien's specialty?
- Carol O'Brien is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Carol O'Brien located?
- Carol O'Brien's practice location on file with NPPES is 4100 W 3rd St, Dayton, OH 45428-9000.
- What is Carol O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Carol O'Brien is (937) 268-6511.
- Is Carol O'Brien's NPI active?
- Yes — Carol O'Brien's NPI (1023121415) is active in the NPPES registry as of the last update on 2007-08-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.