NPI Atlas

William Efehi Osai

Family Nurse Practitioner in Houston, Texas. NPI 1366474769.

NPI1366474769

Registry record

NPI
1366474769
Profession
Nurse Practitioner (NP)
Specialty
Family Nurse Practitioner (363LF0000X)
Practice address
8313 Southwest Fwy, Suite 105
Houston, TX 77074
In the registry since
July 7, 2006
Last NPPES update
August 21, 2013
Sole proprietor
No
License
600763 (TX)

At this location

3 other providers in our data list 8313 Southwest Fwy, Houston as a practice address:

In context

The NPI number of William Osai is 1366474769. They are a Family Nurse Practitioner in Houston, Texas.

William Osai is one of 2,753 Family Nurse Practitioners in Houston and one of 22,499 across Texas in our data. Houston ranks #1 among Texas cities in our dataset, with 8,326 NP and PA providers.

The NPI has been in the federal registry for 19 years, since July 7, 2006.

Frequently asked questions

What is NPI 1366474769?

NPI 1366474769 is the 10-digit National Provider Identifier assigned to William Osai, a Family Nurse Practitioner practicing in Houston, Texas. The record has been in the NPPES registry since July 7, 2006.

How do I verify this provider?

Cross-check NPI 1366474769 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license 600763 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 August 21, 2013. 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.