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

Stephen P Rittmann, MD

Individual provider Family Medicine Physician · NPI 1104857473

Stephen P Rittmann, MD is a Family Practice in Schaumburg, Illinois. Qualified in 1976, 50 years ago. Practices with Bonaventure Medical Foundation LLC, a 165-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
50
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

361 W Golf Rd Schaumburg
Schaumburg, IL 60195-3607
Phone: (847) 252-6050
Fax: (847) 252-6057
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 036-055551 (IL)

Record details

NPI number1104857473
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 5, 2006
Last updated in NPPESApril 6, 2021
Certification dateApril 6, 2021
Mailing address361 W Golf Rd, Schaumburg, Schaumburg, IL 60195-3607

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 1976 (50 years in practice)
Group practice Bonaventure Medical Foundation Llc — 165 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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