NANCY H MAI AGPCNP-C
NPI 1710869391
Nurse Practitioner - Gerontology in Webster, TX

Active since July 23, 2025PECOS EnrolledAccepts Medicare Assignment
18833 EASTFIELD DR, WEBSTER, TX 77598(713) 442-4300 Get Directions Write a Review

NPPES record last updated: September 23, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Nancy H Mai Agpcnp-c NPPES

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

NANCY H MAI AGPCNP-C (NPI 1710869391) is an individual gerontology provider in Webster, Texas, licensed in Texas (1050097) and active in the NPI registry since July 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2020).

NPPES Registry Identity

NPI1710869391
Entity TypeIndividualFemale
Primary Taxonomy363LG0600X
Provider Legal NameNANCY H MAICredential: AGPCNP-C
Location Address18833 EASTFIELD DRWebster, TX 77598-1305
Mailing Address11511 Shadow Creek Pkwy, Hr/credentialing ServicesPearland, TX 77584-7298 · (713) 442-0000
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateJuly 23, 2025
Last NPPES UpdateSeptember 23, 2025
NPPES CertifiedSeptember 23, 2025
✔ NPI 1710869391 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · GerontologyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LG0600X
License✔ Licensed in TX · 1050097
18833 EASTFIELD DR, Webster, TX 77598

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

Nancy H Mai Agpcnp-c 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 ID345721122
PECOS Enrollment IDI20260220000771
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 Reassignment

Medicare enrollment records show Nancy Mai reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Multi-Specialty
2727 W HOLCOMBE BLVD
Houston, TX 77025
  • Reassigned Medicare billing, Texas enrollment
  • 1,649 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.

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.

Other Providers at the Same Location NPPES 13

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

Internal Medicine (Endocrinology, Diabetes & Metabolism)
18833 EASTFIELD DR
WEBSTER, TX 77598
Radiology Practitioner Assistant
18833 EASTFIELD DR
WEBSTER, TX 77598
Internal Medicine (Endocrinology, Diabetes & Metabolism)
18833 EASTFIELD DR
WEBSTER, TX 77598
Physician Assistant
18833 EASTFIELD DR
WEBSTER, TX 77598
Urology
18833 EASTFIELD DR
WEBSTER, TX 77598
Urology
18833 EASTFIELD DR
WEBSTER, TX 77598
Urology
18833 EASTFIELD DR
WEBSTER, TX 77598
Radiology (Radiation Oncology)
18833 EASTFIELD DR
WEBSTER, TX 77598

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 Nancy Mai's NPI number?

The NPI number for Nancy Mai is 1710869391. It was assigned to this individual provider in the NPPES registry on July 23, 2025.

Where is Nancy Mai located?

Nancy Mai practices at 18833 Eastfield Dr, Webster, TX 77598. The listed phone number is (713) 442-4300.

What is Nancy Mai's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.

Is Nancy Mai enrolled in Medicare?

Yes. Nancy Mai 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 organization bills Medicare for Nancy Mai's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nancy Mai reassigns Medicare benefits to Kelsey-Seybold Medical Group, PLLC (Houston, TX). The 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 Nancy Mai's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nancy Mai accept?

Health plans from UnitedHealthcare list Nancy Mai 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 Nancy Mai was last updated on September 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.