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

Mark G Vaselakos, DO

Individual provider Emergency Medicine Physician · NPI 1295754257

Mark G Vaselakos, DO is an Emergency Medicine Physician in Milwaukee, Wisconsin. Licensed in Illinois and Wisconsin. Registered with an NPI since 2006.

Licensed in
IL, WI
In the registry since
2006
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

111 E Wisconsin Ave
Milwaukee, WI 53202-4815
Phone: (414) 290-6720
Fax: (414) 290-6755
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 036-108833 (IL)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 53614-21 (WI)

Record details

NPI number1295754257
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJuly 19, 2006
Last updated in NPPESMay 8, 2024
Certification dateMay 8, 2024
Mailing address111 E Wisconsin Ave, Milwaukee, WI 53202-4815

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