Fairfield Ob-Gyn PLLC in Cypress, TX
This organization bills under NPI 1871987966, an organization record issued on Mar 26, 2015 with the primary taxonomy Obstetrics & Gynecology Physician. Each clinician who works there has their own NPI and license.
Organization recordNPPES, Aug 2026
1871987966
- Legal name
- Fairfield Ob-Gyn PLLC
- Entity
- Type 2 · organization
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- Practice location
- 27150 US HIGHWAY 290, SUITE 500, Cypress, TX 77433
- Phone
- 832-237-4200
- Mailing address
- Houston, TX
- Enumerated
- Mar 26, 2015
- Record updated
- Apr 19, 2019
- Authorized official
- Doctor/Owner (title as filed)
5 clinicians CMS lists with Fairfield Ob Gyn in Cypress
- Huan Bui, PA-CMedical Physician Assistant1932393774
- Oanh Bui, DOObstetrics & Gynecology Physician1780790204
- Kimberly Caldwell, NRP-CFamily Nurse Practitioner1841036522
- Joseph Castillo, MDObstetrics & Gynecology Physician1659348969
- Shanna Willis, CNMAdvanced Practice Midwife1780261834
Source: CMS Doctors and Clinicians group affiliations, matched by practice name and city.
Checking an organization
- Confirm the business with the Texas secretary of state.
- Check the HHS-OIG exclusion list for the organization.
- Verify each clinician on their own record and the state license search.
Common questions
Is an organization NPI a license?
No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.
Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.