GINA DUHAYLUNGSOD MERCADO AGACNP-BC
NPI 1104511047
Nurse Practitioner - Acute Care in Houston, TX

Active since April 06, 2023PECOS Enrolled
13325 HARGRAVE RD STE 150, HOUSTON, TX 77070(281) 955-7863 Get Directions Write a Review

NPPES record last updated: February 26, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 26, 2025, Apr 6, 2023 (2 updates tracked since 2023).

About Gina Duhaylungsod Mercado Agacnp-bc NPPES

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

GINA DUHAYLUNGSOD MERCADO AGACNP-BC (NPI 1104511047) is an individual acute care provider in Houston, Texas, licensed in Texas (1114806) and active in the NPI registry since April 2023. She is enrolled in Medicare PECOS and maintains a secondary practice location in Spring.

NPPES Registry Identity

NPI1104511047
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameGINA DUHAYLUNGSOD MERCADOCredential: AGACNP-BC
Location Address13325 HARGRAVE RD STE 150Houston, TX 77070-4541
Mailing Address11511 Shadow Creek PkwyPearland, TX 77584-7298 · (713) 442-0000
Sole ProprietorNo
Enumeration DateApril 6, 2023
Last NPPES UpdateFebruary 26, 20252 updates tracked since enumeration
NPPES CertifiedFebruary 26, 2025
✔ NPI 1104511047 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in TX · 1114806
Also ListedNurse Practitioner · GerontologyTaxonomy 363LG0600X · License 1114806 (TX)
13325 HARGRAVE RD STE 150, Houston, TX 77070

Secondary Practice Location 1

Location 122407 Holzwarth RdSpring, TX 77389-1933 · Phone (346) 674-4000

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gina Duhaylungsod Mercado Agacnp-bc 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 Reassignment

Medicare enrollment records show Gina Mercado 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 77070 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 7

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

Internal Medicine (Cardiovascular Disease)
13325 HARGRAVE RD STE 150
HOUSTON, TX 77070
Internal Medicine (Cardiovascular Disease)
13325 HARGRAVE RD STE 150
HOUSTON, TX 77070
Nurse Practitioner (Family)
13325 HARGRAVE RD STE 150
HOUSTON, TX 77070
Internal Medicine (Cardiovascular Disease)
13325 HARGRAVE RD STE 150
HOUSTON, TX 77070
Nurse Practitioner
13325 HARGRAVE RD STE 150
HOUSTON, TX 77070
Internal Medicine (Cardiovascular Disease)
13325 HARGRAVE RD STE 150
HOUSTON, TX 77070
Internal Medicine (Cardiovascular Disease)
13325 HARGRAVE RD STE 150
HOUSTON, TX 77070

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 Gina Mercado's NPI number?

The NPI number for Gina Mercado is 1104511047. It was assigned to this individual provider in the NPPES registry on April 6, 2023.

Where is Gina Mercado located?

Gina Mercado practices at 13325 Hargrave Rd Ste 150, Houston, TX 77070. The listed phone number is (281) 955-7863.

What is Gina Mercado's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Gina Mercado enrolled in Medicare?

Yes. Gina Mercado is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Gina Mercado's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gina Mercado 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 Gina Mercado's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gina Mercado accept?

Health plans from UnitedHealthcare list Gina Mercado 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 Gina Mercado was last updated on February 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.