Physician Profile
Siam Oottamasathien, MD is a healthcare provider in Boston, MA specializing in urology. Siam trained at University of Colorado School of Medicine, Denver, graduating in 1999. Siam is also listed as specializing in pediatric urology. This provider record is associated with NPI 1215084017.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
55 FRUIT ST
Boston, MA 02114
Dr. Oottamasathien is an urologist in Boston, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Urology”.
NPI registry
Dr. Oottamasathien is listed at 55 Fruit St, Boston, MA 02114. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (617) 724-0327. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Oottamasathien's National Provider Identifier is 1215084017. 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
Dr. Oottamasathien attended University of Colorado School of Medicine, Denver, graduating in 1999. This comes from the CMS National Downloadable File.
CMS public data
Dr. Oottamasathien has 27 years experience. Calculated from a graduation year of 1999, reported in the CMS National Downloadable File.
CMS public data
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Oottamasathien. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.