NPI age
20 years
Enumerated 2006-04-11
● Active
Type 1 · Individual
DR. Robert B McWilliams
McWilliams is 1 of 49 obstetrics & gynecology providers in Houston and 1 of 214 in Texas.
Primary specialty
Obstetrics & Gynecology
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2007-08-17
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 214 active obstetrics & gynecology providers in Texas.
NPI age
20 years
↑ 2 yr above median (18 yr)
State licenses
1 state
18% of peers hold multiple states
Subspecialties
0
34% of peers hold subspecialties
NPI lifetime · 2006 → 2026
2006-04Enumerated in NPPES
2006
2026
Where they practice
Practice location
7400 Fannin, #1180
Houston, TX 770541920
Mailing address
7400 Fannin, #1180
Houston, TX 770541920
Specialties
-
Obstetrics & Gynecology PrimaryAn obstetrician/gynecologist who is capable of managing complex problems relating to reproductive endocrinology and infertility.
Practice context
Part of a multi-provider practice. 6 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 →
- 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.