NPI age
8 years
Enumerated 2017-08-02
● Active
Type 1 · Individual
DR. Olaniyi O Olayinka, MD, MPH
Olayinka is 1 of 876 psychiatry & neurology providers in Houston and 1 of 4391 in Texas.
Primary specialty
Psychiatry & Neurology
Plus 3 subspecialties
Licensed in
TX, NY, CT
3 states
Status
Active
No deactivations on record
Last NPPES update
2022-08-10
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 4391 active psychiatry & neurology providers in Texas.
NPI age
8 years
↓ 8 yr below median (16 yr)
State licenses
3 states
Top 87% — 12% of peers are multi-state
Subspecialties
1
In the 34% of peers with subspecialties
NPI lifetime · 2017 → 2026
2017-08Enumerated in NPPES
2017
2026
Where they practice
Practice location
5615 H Mark Crosswell JR St
Houston, TX 770211079
Mailing address
2800 S MacGregor Way
Houston, TX 770211032
Additional practice locations
2 secondary locations on file with NPPES.
Location 2
352 State St
North Haven, CT 064733108
Location 3
1545 Atlantic Ave
Brooklyn, NY 112131122
Specialties
-
Psychiatry & Neurology PrimaryA Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders...
-
Student in an Organized Health Care Education/Training ProgramAn individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (CT) | 008022626 | |
| 05 (CT) | 008056168 | |
| 05 (CT) | 500000315 | |
| 05 (CT) | 004082286 |
Multi-state credentialing: Licensed in 3 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 18 other active providers share this practice address in NPPES.
Recently enumerated nearby: 10 new psychiatry & neurology providers have been added in Houston in the last 180 days.
See all →
Provyx · Custom healthcare lists
Need all 4391 Psychiatry & Neurology providers in Texas?
Get the full list as a CSV with verified work emails, direct phones, and LinkedIn URLs.
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.