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

Dr. Michael A Ash, MD

Individual provider Internal Medicine Physician · NPI 1104070796

Dr. Michael A Ash, MD is an Internal Medicine Physician in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2008.

Licensed in
IL
In the registry since
2008
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

251 E Huron St Feinberg 16-738
Chicago, IL 60611-2908
Phone: (816) 201-4969
Fax: (816) 571-5969
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 036.105172 (IL)

Record details

NPI number1104070796
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 9, 2008
Last updated in NPPESJuly 22, 2017
Mailing address987400 Nebraska Medical Center, Omaha, NE 68198-7400

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