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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. GUSTAVO SCANNAPIECO MASTROLEO MD
NPI 1700466992
Internal Medicine - Hospice and Palliative Medicine in Weslaco, TX

Active since April 12, 2021PECOS EnrolledAccepts Medicare Assignment
906 S BRIDGE AVE, WESLACO, TX 78596(956) 447-8600(956) 447-0335 Get Directions Write a Review

NPPES record last updated: October 13, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 13, 2026, Dec 19, 2025, Apr 12, 2021 (3 updates tracked since 2021).

About Dr. Gustavo Scannapieco Mastroleo Md NPPES

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

DR. GUSTAVO SCANNAPIECO MASTROLEO MD (NPI 1700466992) is an individual hospice and palliative medicine provider in Weslaco, Texas, licensed in Texas (V2163) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS, is affiliated with Houston Methodist Hospital, and maintains a secondary practice location in Houston.

NPPES Registry Identity

NPI1700466992
Entity TypeIndividualMale
Primary Taxonomy207RH0002X
Provider Legal NameDR. GUSTAVO SCANNAPIECO MASTROLEOCredential: MD
Location Address906 S BRIDGE AVEWeslaco, TX 78596-7129
Mailing Address6565 Fannin St, Main 555Houston, TX 77030-2703
Phone(956) 447-8600
Fax(956) 447-0335
Sole ProprietorNo
Medical School CMSUniversity Of Texas Medical Branch At GalvestonGraduated 2020
Enumeration DateApril 12, 2021
Last NPPES UpdateOctober 13, 20263 updates tracked since enumeration
NPPES CertifiedOctober 13, 2026
✔ NPI 1700466992 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hospice and Palliative MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RH0002X
License✔ Licensed in TX · V2163
Definition
An internal medicine physician with special knowledge and skills to prevent and relieve the suffering experienced by patients with life-limiting illnesses. This specialist works with an interdisciplinary hospice or palliative care team to maximize quality of life while addressing physical, psychological, social and spiritual needs of both patient and family throughout the course of the disease, through the dying process, and beyond for the family. This specialist has expertise in the assessment of patients with advanced disease; the relief of distressing symptoms; the coordination of interdisciplinary patient and family-centered care in diverse venues; the use of specialized care systems including hospice; the management of the imminently dying patient; and legal and ethical decision making in end-of-life care.
906 S BRIDGE AVE, Weslaco, TX 78596
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Secondary Practice Location 1

Location 16565 Fannin St, Main 555Houston, TX 77030-2703 · Phone (713) 441-0428

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

Dr. Gustavo Scannapieco Mastroleo 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 ID941791867
PECOS Enrollment IDI20251118002974
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 Gustavo Mastroleo reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Houston Methodist Specialty Physicians
291 mi
Otolaryngology
7550 GREENBRIAR DR STE 600
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • 1,579 clinicians in this Medicare group
NPI 1902614332 (281) 414-6055
Tmh Physician Associates PLLC
292 mi
Ophthalmology
6550 FANNIN ST, SUITE 447
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • 2,407 clinicians in this Medicare group
NPI 1275779225 (713) 441-7389

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

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

Houston Methodist Hospital

Acute Care Hospitals · Houston, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450358
Location6565 FanninHouston, TX 77030 · Harris County
Emergency services Birthing friendly

Other Providers at the Same Location NPPES 15

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

ODALYS SANCHEZ
Internal Medicine
906 S BRIDGE AVE
WESLACO, TX 78596
Hidalgo County (956) 447-8600
NORA MEDINA
Nurse Practitioner (Family)
906 S BRIDGE AVE
WESLACO, TX 78596
Hidalgo County (956) 447-8600
PEDRO J. PENALO, M.D., PLLC
Internal Medicine
906 S BRIDGE AVE
WESLACO, TX 78596
Hidalgo County (956) 447-8600
NORMA LINDA CANTU-MORALES NP
Nurse Practitioner (Family)
906 S BRIDGE AVE
WESLACO, TX 78596
Hidalgo County (956) 447-8600
PEDRO J PENALO MD
Internal Medicine
906 S BRIDGE AVE
WESLACO, TX 78596
Hidalgo County (956) 447-8600
TANIA FABIAN-NAVARRETE
Physician Assistant
906 S BRIDGE AVE
WESLACO, TX 78596
Hidalgo County (956) 447-8600
JOSE LERMA M.D.
Internal Medicine
906 S BRIDGE AVE
WESLACO, TX 78596
Hidalgo County (956) 447-8600
DR. CLAUDIA C. PIERSON M.D.
Internal Medicine
906 S BRIDGE AVE
WESLACO, TX 78596
Hidalgo County (956) 447-8600

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 Gustavo Mastroleo's NPI number?

The NPI number for Gustavo Mastroleo is 1700466992. It was assigned to this individual provider in the NPPES registry on April 12, 2021.

Where is Gustavo Mastroleo located?

Gustavo Mastroleo practices at 906 S Bridge Ave, Weslaco, TX 78596. The listed phone number is (956) 447-8600.

What is Gustavo Mastroleo's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hospice and Palliative Medicine, with taxonomy code 207RH0002X.

Is Gustavo Mastroleo enrolled in Medicare?

Yes. Gustavo Mastroleo 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 Gustavo Mastroleo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gustavo Mastroleo reassigns Medicare benefits to 2 organizations: Houston Methodist Specialty Physicians (Houston, TX) and Tmh Physician Associates PLLC (Houston, 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 Gustavo Mastroleo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Gustavo Mastroleo affiliated with any hospitals?

According to CMS data, Gustavo Mastroleo is affiliated with Houston Methodist Hospital.

When was this NPI record last updated?

The NPPES record for Gustavo Mastroleo was last updated on October 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 days 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.