NPI age
10 years
Enumerated 2016-05-03
● Active
Type 1 · Individual
Salvador Alonso Martinez, MD
Alonso Martinez is 1 of 221 internal medicine providers in Houston and 1 of 576 in Texas.
Primary specialty
Internal Medicine
Plus 2 subspecialties
Licensed in
TX, MA, NY
3 states
Status
Active
No deactivations on record
Last NPPES update
2024-07-03
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 576 active internal medicine providers in Texas.
NPI age
10 years
↓ 9 yr below median (19 yr)
State licenses
3 states
Top 81% — 18% of peers are multi-state
Subspecialties
1
In the 46% of peers with subspecialties
NPI lifetime · 2016 → 2026
2016-05Enumerated in NPPES
2016
2026
Where they practice
Practice location
1515 Holcombe Blvd
Houston, TX 770304000
Mailing address
Po Box 4439
Houston, TX 772104439
Additional practice locations
1 secondary location on file with NPPES.
Location 2
1275 York Ave
New York, NY 100656007
Specialties
-
Internal Medicine PrimaryAn internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and...
-
Internal MedicineA physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer,...
Practice context
Part of a multi-provider practice. 3675 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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- 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.