NPI Atlas

Karen Leann O'Brien, RN, MSN, ACNP-BC

Acute Care Nurse Practitioner in Sugar Land, Texas. NPI 1922282649.

NPI1922282649

Registry record

NPI
1922282649
Profession
Nurse Practitioner (NP)
Specialty
Acute Care Nurse Practitioner (363LA2100X)
Practice address
16655 Southwest Fwy, Np Office 1301
Sugar Land, TX 77479
In the registry since
December 18, 2007
Last NPPES update
December 18, 2007
Sole proprietor
No
License
596205 (TX)

At this location

28 other providers in our data list 16655 Southwest Fwy, Sugar Land as a practice address:

In context

The NPI number of Karen O'Brien is 1922282649. They are a Acute Care Nurse Practitioner in Sugar Land, Texas.

Karen O'Brien is one of 63 Acute Care Nurse Practitioners in Sugar Land and one of 3,743 across Texas in our data. Sugar Land ranks #12 among Texas cities in our dataset, with 588 NP and PA providers.

The NPI has been in the federal registry for 18 years, since December 18, 2007.

Frequently asked questions

What is NPI 1922282649?

NPI 1922282649 is the 10-digit National Provider Identifier assigned to Karen O'Brien, a Acute Care Nurse Practitioner practicing in Sugar Land, Texas. The record has been in the NPPES registry since December 18, 2007.

How do I verify this provider?

Cross-check NPI 1922282649 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license 596205 with the TX licensing board. You can also run the number through our free NPI validator to confirm its checksum.

Is this information current?

This profile reflects the June 2026 NPPES data file. NPPES lists the record's last update as December 18, 2007. We refresh our data each month when CMS publishes a new file.

Data: NPPES public registry, June 2026 file. Not medical advice. Verify independently before care or credentialing decisions. Errors in the source record can be corrected at nppes.cms.hhs.gov; see our corrections page.