NPI age
19 years
Enumerated 2006-07-07
● Active
Type 1 · Individual
William Efehi Osai
Osai is 1 of 2722 nurse practitioner providers in Houston and 1 of 22123 in Texas.
Primary specialty
Nurse Practitioner
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2013-08-21
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 22123 active nurse practitioner providers in Texas.
NPI age
19 years
↑ 12 yr above median (7 yr)
State licenses
1 state
5% of peers hold multiple states
Subspecialties
0
23% of peers hold subspecialties
NPI lifetime · 2006 → 2026
2006-07Enumerated in NPPES
2006
2026
Where they practice
Practice location
8313 Southwest Fwy, Suite 105
Houston, TX 770741611
Mailing address
8313 Southwest Fwy, Suite 105
Houston, TX 770741611
Specialties
-
Nurse Practitioner PrimaryDefinition to come...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 01 (TX) | 8Y3014 | BC/BS |
| 01 (TX) | 1366474769 | NPI |
| 05 (TX) | 042547209 | |
| 05 (TX) | 042547212 | |
| 05 (TX) | 042547208 | |
| 05 (TX) | 042547210 |
Practice context
Part of a multi-provider practice. 30 other active providers share this practice address in NPPES.
Recently enumerated nearby: 56 new nurse practitioner providers have been added in Houston in the last 180 days.
See all →
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Request a quote →How to verify this provider
- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.