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DR. MAI P NGUYEN M.D.
NPI 1295705093
Emergency Medicine in Webster, TX

Active since January 24, 2006PECOS Enrolled
720 W NASA PARKWAY, WEBSTER, TX 77598(832) 932-5990(832) 932-5992 Get Directions Write a Review

NPPES record last updated: December 29, 2015. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Mai P Nguyen M.d. NPPES

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

DR. MAI P NGUYEN M.D. (NPI 1295705093) is an individual emergency medicine provider in Webster, Texas, licensed in Texas (K6661) and active in the NPI registry since January 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1295705093
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameDR. MAI P NGUYENCredential: M.D.
Location Address720 W NASA PARKWAYWebster, TX 77598-4906
Mailing Address720 W Nasa ParkwayWebster, TX 77598-4906 · (832) 932-5990 · Fax (832) 932-5992
Phone(832) 932-5990
Fax(832) 932-5992
Sole ProprietorNo
Enumeration DateJanuary 24, 2006
Last NPPES UpdateDecember 29, 2015
✔ NPI 1295705093 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in TX · K6661
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
720 W NASA PARKWAY, Webster, TX 77598
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Other Names 1

Other Name (5)Phuong Mai Nguyen Md

Other Identifiers 5

Medicare UPING83228
Medicaid122273907TX
Medicare PIN8507B9TX
Other930117288TX · Railroad Medicare Prov #
Other8F9281TX · Bc/bs Provider Number

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Mai P Nguyen M.d. 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.

Medicare Billing Reassignments

2

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

Tk Emergency Physicians Group PLLC
25 mi
Emergency Medicine
1535 WEST LOOP S
Houston, TX 77027
  • Reassigned Medicare billing, Texas enrollment
  • 82 clinicians in this Medicare group
NPI 1942728019 (832) 219-3833
Emergency Medicine Services Of Tx, PLLC
208 mi
Emergency Medicine
7700 FLOYD CURL DR
San Antonio, TX 78229
  • Reassigned Medicare billing, Texas enrollment
  • 1,452 clinicians in this Medicare group
NPI 1245938729 (210) 575-4000

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

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
46 services44 patients
Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
25 services24 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77598 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
$90.40 typical visit price
range $58.24 – $176.98
Typical copayment $22.60 (range $14.56 – $44.24)
Most-billed visit code 99203
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.

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 Mai Nguyen's NPI number?

The NPI number for Mai Nguyen is 1295705093. It was assigned to this individual provider in the NPPES registry on January 24, 2006. The provider is also known as Phuong Mai Nguyen MD.

Where is Mai Nguyen located?

Mai Nguyen practices at 720 W Nasa Parkway, Webster, TX 77598. The listed phone number is (832) 932-5990.

What is Mai Nguyen's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Mai Nguyen enrolled in Medicare?

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

Which organizations bill Medicare for Mai Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mai Nguyen reassigns Medicare benefits to 2 organizations: Tk Emergency Physicians Group PLLC (Houston, TX) and Emergency Medicine Services Of Tx, PLLC (San Antonio, TX). 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 Mai Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mai Nguyen accept?

Health plans from Blue Cross and Blue Shield of Texas and UnitedHealthcare list Mai 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 Mai Nguyen was last updated on December 29, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years 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.