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DR. VIAN HIEN NGUYEN MD
NPI 1083851299
Obstetrics & Gynecology in Katy, TX

Active since January 09, 2009PECOS Enrolled

NPPES record last updated: September 30, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Vian Hien Nguyen Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. VIAN HIEN NGUYEN MD (NPI 1083851299) is an individual obstetrics & gynecology provider in Katy, Texas, licensed in Texas (N8433) and active in the NPI registry since January 2009. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1083851299
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. VIAN HIEN NGUYENCredential: MD
Location Address19333 CLAY RDKaty, TX 77449-4001
Mailing Address5502 1st StKaty, TX 77493-2472 · (832) 548-5000
Phone(713) 462-6565
Sole ProprietorNo
Enumeration DateJanuary 9, 2009
Last NPPES UpdateSeptember 30, 2025
NPPES CertifiedSeptember 30, 2025
✔ NPI 1083851299 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in TX · N8433
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
Also ListedClinic/Center · Federally Qualified Health Center (FQHC)Taxonomy 261QF0400X
19333 CLAY RD, Katy, TX 77449
Open in Google Maps ↗

Other Identifiers 3

Other671985Legacy Community Health Services, Inc Site Medicare Number
Other080462703TX · Legacy Community Health Services Inc Medicaid Number
OtherN8433TX · Texas Medical License

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Community Health Choice, Molina Healthcare and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Vian Hien Nguyen Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77449 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$134.06 typical visit price
range $58.24 – $176.98
Typical copayment $33.51 (range $14.56 – $44.24)
Most-billed visit code 99204
Established Patient
$72.62 typical visit price
range $18.60 – $143.93
Typical copayment $18.15 (range $4.65 – $35.98)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SPRING BRANCH COMMUNITY HEALTH CENTER
Pharmacy (Community/Retail Pharmacy)
19333 CLAY RD
KATY, TX 77449
Harris County (832) 974-4247
LUIS F MARTINEZ M.A., LPC
Counselor (Professional)
19333 CLAY RD
KATY, TX 77449
Harris County (713) 462-6555
KARLA PATRICIA QUERALES NAVA MD
Pediatrics
19333 CLAY RD
KATY, TX 77449
Harris County (713) 462-6565
DR. ANDREA MICHELLE SILVA
Pediatrics
19333 CLAY RD
KATY, TX 77449
Harris County (713) 462-6565
WILLIAMS, WILLIAMS & HANKS DBA INCENTIVES
Substance Abuse Rehabilitation Facility
19333 CLAY RD
KATY, TX 77449
Harris County (281) 398-1478
MRS. DEMORI DRIVER PA-C
Physician Assistant (Medical)
19333 CLAY RD
KATY, TX 77449
Harris County (713) 462-6555
SPRING BRANCH COMMUNITY HEALTH CENTER
Clinic/Center (Federally Qualified Health Center (FQHC))
19333 CLAY RD
KATY, TX 77449
Harris County (713) 462-6565
DR. FATIMA F ALY M.D.
Pediatrics
19333 CLAY RD
KATY, TX 77449
Harris County (713) 462-6565

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Vian Nguyen's NPI number?

The NPI number for Vian Nguyen is 1083851299. It was assigned to this individual provider in the NPPES registry on January 9, 2009.

Where is Vian Nguyen located?

Vian Nguyen practices at 19333 Clay Rd, Katy, TX 77449. The listed phone number is (713) 462-6565.

What is Vian Nguyen's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Vian Nguyen enrolled in Medicare?

Yes. Vian Nguyen is registered in the Medicare PECOS enrollment system.

What insurance does Vian Nguyen accept?

Health plans from Blue Cross and Blue Shield of Texas, Community Health Choice, Molina Healthcare, Oscar Insurance Company and UnitedHealthcare list Vian Nguyen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Vian Nguyen was last updated on September 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.