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Search › Texas › Medical Oncology Physician

William Marrero-Leon, M.D

NPI 1336688274 · on the registry since 2017

Practice

Address
1515 Holcombe Blvd
Houston, TX 77030
Phone
(713) 792-6161
Organisation at this address
Mdacc
Md Anderson
Md Anderson Cancer Center
Md Anderson Cancer Center
Md Anderson Cancer Center
Inferred from a shared address, not stated in the registry.
Clinicians at this address
3,881

Additional practice sites

  • San Juan, San Juan, PR

Registry record

Primary taxonomy
Medical Oncology Physician
207RX0202X
Also registered as
Hematology (Internal Medicine) Physician
Internal Medicine Physician
Licence states on file
TX
From the registry's licence fields, which are often incomplete.
Sex
Male
Record last updated
2026-04-14

Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in Texas