NPI age
16 years
Enumerated 2009-07-10
● Active
Type 1 · Individual
Phyllis I Okolo, MD
Okolo is 1 of 1938 internal medicine providers in Houston and 1 of 12343 in Texas.
Primary specialty
Internal Medicine
Plus 1 subspecialty
Licensed in
TX, IN
2 states
Status
Active
No deactivations on record
Last NPPES update
2021-09-01
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 12343 active internal medicine providers in Texas.
NPI age
16 years
≈ at median (17 yr)
State licenses
2 states
Top 88% — 12% of peers are multi-state
Subspecialties
0
33% of peers hold subspecialties
NPI lifetime · 2009 → 2026
2009-07Enumerated in NPPES
2009
2026
Where they practice
Practice location
1717 Turning Basin Dr Ste 350
Houston, TX 770294059
Mailing address
1717 Turning Basin Dr Ste 350
Houston, TX 770294059
Additional practice locations
2 secondary locations on file with NPPES.
Location 2
701 San Jacinto St, Suite 140
Houston, TX 77052
Location 3
5201 Harry Hines Blvd, House Staff & Gme
Dallas, TX 752357708
Specialties
-
Internal Medicine PrimaryA physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer,...
Practice context
Part of a multi-provider practice. 1 other active provider shares this practice address in NPPES.
Recently enumerated nearby: 6 new internal medicine providers have been added in Houston in the last 180 days.
See all →
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- 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.