Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Stephen E. Guilliams, MD PA

Organization Obstetrics & Gynecology Physician · NPI 1003102351

Stephen E. Guilliams, MD PA is an Obstetrics & Gynecology Physician in Houston, Texas. Licensed in Texas. Registered with an NPI since 2011.

Licensed in
TX
In the registry since
2011
What do these letters mean?
PA — Professional association
A form of business registration, not a clinical qualification.

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Practice location Address checks out

12121 Richmond Ave Ste 203
Houston, TX 77082-2432
Phone: (281) 558-5855
Fax: (281) 558-5828
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence E2591 (TX)

Record details

NPI number1003102351
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Stephen Guilliams — Physician · (281) 558-5855
NPI enumeratedJune 24, 2011
Last updated in NPPESJune 24, 2011
Mailing address12121 Richmond Ave, Suite 203, Houston, TX 77082-2432

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