NPI age
5 years
Enumerated 2021-04-12
● Active
Type 1 · Individual
DR. Gustavo Scannapieco Mastroleo, MD
Mastroleo is 1 of 49 internal medicine providers in Houston and 1 of 217 in Texas.
Primary specialty
Internal Medicine
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2025-12-19
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 217 active internal medicine providers in Texas.
NPI age
5 years
↓ 7 yr below median (12 yr)
State licenses
1 state
17% of peers hold multiple states
Subspecialties
0
60% of peers hold subspecialties
NPI lifetime · 2021 → 2026
2021-04Enumerated in NPPES
2021
2026
Where they practice
Practice location
6565 Fannin St, Main 555
Houston, TX 770302703
Mailing address
6565 Fannin St, Main 555
Houston, TX 770302703
Specialties
-
Internal Medicine PrimaryAn 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...
Practice context
Part of a multi-provider practice. 591 other active providers share this practice address in NPPES.
Recently enumerated nearby: 1 new internal medicine provider has been added in Houston in the last 180 days.
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Request a quote →How to verify this provider
- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.