Physician Profile
William D. Marrero-Leon, M.D
Unclaimed ProfileAbout Dr. Marrero-Leon
William D. Marrero-Leon, M.D is a healthcare provider in Houston, TX specializing in medical oncology. William is also listed as specializing in hematology and internal medicine.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (713) 792-6161
- Email not available
Practice Locations
1515 HOLCOMBE BLVD
Houston, TX 77030
San Juan
San Juan, PR 00935
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other oncologists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 21 related providers in 3 groups
Other oncologists in Houston 7
Same specialty, same city.
Trained at Other 6
Other providers in the same specialty who trained at the same institution.
Class of 2009 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What is William D. Marrero-Leon's specialty?
William D. Marrero-Leon is an oncologist in Houston, TX. That is the designation recorded for this NPI in the federal registry, where it is listed as “Medical Oncology”.
NPI registry
Where can I find William D. Marrero-Leon?
William D. Marrero-Leon is listed at 1515 Holcombe Blvd, Houston, TX 77030. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact William D. Marrero-Leon?
The number on file is (713) 792-6161. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is William D. Marrero-Leon's NPI number?
William D. Marrero-Leon's National Provider Identifier is 1336688274. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is William D. Marrero-Leon's education?
William D. Marrero-Leon attended Other, graduating in 2009. This comes from the CMS National Downloadable File.
CMS public data
How long has William D. Marrero-Leon been practicing?
William D. Marrero-Leon has 17 years experience. Calculated from a graduation year of 2009, reported in the CMS National Downloadable File.
CMS public data
Has William D. Marrero-Leon confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by William D. Marrero-Leon. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.