NPI age
19 years
Enumerated 2006-10-17
● Active
Type 1 · Individual
Nikolaos Zacharias, M.D.
Zacharias is 1 of 100 obstetrics & gynecology providers in Houston and 1 of 350 in Texas.
Primary specialty
Obstetrics & Gynecology
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2014-12-19
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 350 active obstetrics & gynecology providers in Texas.
NPI age
19 years
≈ at median (18 yr)
State licenses
1 state
27% of peers hold multiple states
Subspecialties
0
56% of peers hold subspecialties
NPI lifetime · 2006 → 2026
2006-10Enumerated in NPPES
2006
2026
Where they practice
Practice location
5656 Kelley Street, Dept Of Ob/gyn Room # 2ld80 001
Houston, TX 77026
Mailing address
6431 Fannin, Msb 3.286
Houston, TX 77030
Specialties
-
Obstetrics & Gynecology PrimaryAn obstetrician/gynecologist who cares for, or provides consultation on, patients with complications of pregnancy. This specialist has advanced knowledge of the obstetrical, medical and surgical complications of pregnancy and their...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 01 (TX) | M2219 | TEXAS MEDICAL BOARD |
Practice context
Part of a multi-provider practice. 7 other active providers share this practice address in NPPES.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
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