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

Dr. Michael James Riermaier, MD

Individual provider Obstetrics Physician · NPI 1376650135

Dr. Michael James Riermaier, MD is an Obstetrics/Gynecology in Elgin, Illinois. Qualified in 1980, 46 years ago. Licensed in Illinois.

Years since qualifying
46
Licensed in
IL
In the registry since
2006
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

1435 N Randall Rd Ste 304
Elgin, IL 60123-2304
Phone: (847) 697-7722
Fax: (847) 697-7896
Show map & directions

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

Specialties & licences

Obstetrics Physician (primary) Taxonomy 207VX0000X · Licence 363816770 (IL)

Record details

NPI number1376650135
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 25, 2006
Last updated in NPPESSeptember 18, 2012
Mailing address1435 N Randall Rd Ste 304, Elgin, IL 60123-2304

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolOTHER
Graduated 1980 (46 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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