Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Tanguy Yann Seiwert, MD

Individual provider Medical Oncology Physician · NPI 1043340292

Dr. Tanguy Yann Seiwert, MD is a Medical Oncology Physician in Baltimore, Maryland. Licensed in Maryland. Registered with an NPI since 2007.

Licensed in
MD
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

9910 Franklin Square Dr Ste 2110
Baltimore, MD 21236-4902
Phone: (410) 933-6423
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Medical Oncology Physician (primary) Taxonomy 207RX0202X · Licence D88003 (MD)

Record details

NPI number1043340292
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 6, 2007
Last updated in NPPESAugust 12, 2025
Certification dateAugust 12, 2025

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