NPI age
20 years
Enumerated 2005-09-13
● Active
Type 1 · Individual
MR. Masaki Oishi, MD
Oishi is 1 of 198 neurological surgery providers in Houston and 1 of 947 in Texas.
Primary specialty
Neurological Surgery
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2014-05-30
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 947 active neurological surgery providers in Texas.
NPI age
20 years
↑ 3 yr above median (17 yr)
State licenses
1 state
19% of peers hold multiple states
Subspecialties
0
31% of peers hold subspecialties
NPI lifetime · 2005 → 2026
2005-09Enumerated in NPPES
2005
2026
Where they practice
Practice location
12121 Richmond Avenue, Suite 324
Houston, TX 77082
Mailing address
12121 Richmond Avenue, Suite 324
Houston, TX 77082
Specialties
-
Neurological Surgery PrimaryA neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems,...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 01 (TX) | 158161302 | MEDICAID |
| 05 (TX) | 166350201 | |
| 01 (TX) | 8C1504 | MEDICARE |
Practice context
Part of a multi-provider practice. 2 other active providers share this practice address in NPPES.
Recently enumerated nearby: 1 new neurological surgery provider has been added in Houston in the last 180 days.
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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.