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

William John Blosky, MD

Individual provider Internal Medicine Physician · NPI 1740506195

William John Blosky, MD is a Gastroenterology in Milwaukee, Wisconsin. Graduated from Indiana University School of Medicine in 2010, 16 years ago. Practices with Gastroenterology Specialists SC, a 29-clinician group. Licensed in Ohio and Wisconsin.

Years since qualifying
16
Trained at
Indiana University School of Medicine
Licensed in
OH, WI
In the registry since
2010
Specialties on file
2
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

2801 W Kinnickinnic River Pkwy Ste 1080
Milwaukee, WI 53215-3689
Phone: (414) 908-6506
Fax: (414) 908-6510
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 65262-20 (WI)
Internal Medicine Physician Taxonomy 207R00000X · Licence 121652 (OH)

Record details

NPI number1740506195
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 9, 2010
Last updated in NPPESJanuary 26, 2026
Certification dateJanuary 26, 2026
Mailing address2801 W Kinnickinnic River Pkwy Ste 1080, Milwaukee, WI 53215-3689

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGASTROENTEROLOGY
Medical schoolINDIANA UNIVERSITY SCHOOL OF MEDICINE
Graduated 2010 (16 years in practice)
Group practice Gastroenterology Specialists Sc — 29 clinicians
Accepts Medicare assignment Not indicated
Practice locations3 on file with Medicare

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