TIEN NGOC NGUYEN MD
NPI 1073190468
Internal Medicine - Rheumatology in Humble, TX

Active since March 24, 2021PECOS EnrolledAccepts Medicare Assignment
19411 MCKAY DR STE 250, HUMBLE, TX 77338(281) 712-8360(281) 717-4136 Get Directions Write a Review

NPPES record last updated: July 8, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 8, 2026, Jul 17, 2024, Apr 1, 2024 and 1 more (4 updates tracked since 2021).

About Tien Ngoc Nguyen Md NPPES

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

TIEN NGOC NGUYEN MD (NPI 1073190468) is an individual rheumatology provider in Humble, Texas, licensed in Texas (W4912) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS, is affiliated with University Of Cincinnati Medical Center, Llc, and maintains a secondary practice location in Katy.

NPPES Registry Identity

NPI1073190468
Entity TypeIndividualFemale
Primary Taxonomy207RR0500X
Provider Legal NameTIEN NGOC NGUYENCredential: MD
Location Address19411 MCKAY DR STE 250Humble, TX 77338-5713
Mailing Address2630 N Mason Rd Ste A2Katy, TX 77449-3059 · (281) 712-8360 · Fax (281) 717-4136
Fax(281) 717-4136
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateMarch 24, 2021
Last NPPES UpdateJuly 8, 20264 updates tracked since enumeration
NPPES CertifiedJuly 8, 2026
✔ NPI 1073190468 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
License✔ Licensed in TX · W4912
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
19411 MCKAY DR STE 250, Humble, TX 77338

Secondary Practice Location 1

Location 12630 N Mason Rd Ste A2Katy, TX 77449-3059 · Phone (281) 712-8360 · Fax (281) 717-4136

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Tien Ngoc Nguyen Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8729497557
PECOS Enrollment IDI20241003003111, I20260529003727
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Tien Nguyen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Rheumatology
9816 MEMORIAL BLVD, #209
Humble, TX 77338
  • Reassigned Medicare billing, Texas enrollment
  • 4 clinicians in this Medicare group
Internal Medicine
33 W RAHN RD
Dayton, OH 45429
  • Reassigned Medicare billing, Ohio enrollment
  • 102 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

University Of Cincinnati Medical Center, LLC

Acute Care Hospitals · Cincinnati, OH
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360003
Location3188 Bellevue AvenueCincinnati, OH 45219 · Hamilton County
Emergency services Birthing friendly

Memorial Hermann Northeast Hospital

Acute Care Hospitals · Humble, TX
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450684
Location18951 Memorial NorthHumble, TX 77338 · Harris County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77338 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
$102.71 typical visit price
range $18.60 – $143.93
Typical copayment $25.67 (range $4.65 – $35.98)
Most-billed visit code 99214
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

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

Specialist
19411 MCKAY DR STE 250
HUMBLE, TX 77338

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 Tien Nguyen's NPI number?

The NPI number for Tien Nguyen is 1073190468. It was assigned to this individual provider in the NPPES registry on March 24, 2021.

Where is Tien Nguyen located?

Tien Nguyen practices at 19411 Mckay Dr Ste 250, Humble, TX 77338. The listed phone number is (281) 712-8360.

What is Tien Nguyen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Tien Nguyen enrolled in Medicare?

Yes. Tien Nguyen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Tien Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tien Nguyen reassigns Medicare benefits to 2 organizations: Arthritis Clinic Of Cypress And Katy PA (Humble, TX) and South Dayton Acute Care Consultants, Inc (Dayton, OH). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Tien Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Tien Nguyen accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 5 other insurers list Tien 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.

Is Tien Nguyen affiliated with any hospitals?

According to CMS data, Tien Nguyen is affiliated with University Of Cincinnati Medical Center, LLC and Memorial Hermann Northeast Hospital.

When was this NPI record last updated?

The NPPES record for Tien Nguyen was last updated on July 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.