Karen O'Brien, RN, MSN, ACNP-BC
NPI 1922282649 · Acute Care Nurse Practitioner · Sugar Land, TX
Karen O'Brien, RN, MSN, ACNP-BC is a Acute Care Nurse Practitioner provider in Sugar Land, TX (NPI 1922282649).
Provider details
- NPI number
- 1922282649
- Entity type
- Individual
- Primary specialty
- Acute Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RN, MSN, ACNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- 596205 (TX)
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
18 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
- 2007-12-18
- Last updated
- 2007-12-18
Frequently asked questions
- What is Karen O'Brien's NPI number?
- Karen O'Brien's National Provider Identifier (NPI) is 1922282649, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen O'Brien's specialty?
- Karen O'Brien is listed in the NPPES registry with a primary specialty of Acute Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karen O'Brien located?
- Karen O'Brien's practice location on file with NPPES is 16655 Southwest Fwy, Sugar Land, TX 77479-2329.
- What is Karen O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Karen O'Brien is (281) 274-7958.
- Is Karen O'Brien's NPI active?
- Yes — Karen O'Brien's NPI (1922282649) is active in the NPPES registry as of the last update on 2007-12-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.