Mary Mahieu, MD

Rheumatology · Northwestern Medical Faculty Foundation

RheumatologyHigh data-match confidence

Directory record — please verify

This listing comes from CMS Medicare Doctors and Clinicians data and was updated September 8, 2026. It does not confirm Medicare coverage, plan network, referral or prior authorization, offered services, or current availability. Verify each item directly before scheduling.

At a glance

Mary Mahieu, MD is listed under Rheumatology in Naperville, IL. Request their contact details below to confirm current participation and availability.

Request an appointment with Mary Mahieu, MD

Send a request to the Covered Paincare team about this provider. An appointment is not booked until confirmed.

Services & care categories

Rheumatology Accepts Medicare assignment Telehealth available

Medicare questions to ask

1Do you currently accept Medicare assignment for these services?
2Is this location in-network for my Medicare Advantage plan?
3Will I need a referral or prior authorization before my visit?
4What out-of-pocket costs should I expect under Medicare?
5Do you provide the specific care I need (pain management, PM&R, behavioral health, or mild TBI)?

Location

Frequently asked questions

Does Mary Mahieu, MD accept Medicare?

Mary Mahieu, MD is an imported senior-care record. Confirm Medicare participation and network status directly with the facility before scheduling.

Where is Mary Mahieu, MD located?

Mary Mahieu, MD is located at 636 Raymond Dr, Suite 107, Naperville, IL 60563.

What care does Mary Mahieu, MD offer?

Listed services include Rheumatology, Accepts Medicare assignment, Telehealth available. Verify availability with the facility.

Source

CMS Medicare Doctors and Clinicians data.

How directory records are sourced and updated

Request an appointment with Mary Mahieu, MD

Send a request to the Covered Paincare team about this provider. An appointment is not booked until confirmed.

Medicare questions to ask

1Do you currently accept Medicare assignment for these services?
2Is this location in-network for my Medicare Advantage plan?
3Will I need a referral or prior authorization before my visit?
4What out-of-pocket costs should I expect under Medicare?
5Do you provide the specific care I need (pain management, PM&R, behavioral health, or mild TBI)?

Location

Frequently asked questions

Does Mary Mahieu, MD accept Medicare?

Mary Mahieu, MD is an imported senior-care record. Confirm Medicare participation and network status directly with the facility before scheduling.

Where is Mary Mahieu, MD located?

Mary Mahieu, MD is located at 636 Raymond Dr, Suite 107, Naperville, IL 60563.

What care does Mary Mahieu, MD offer?

Listed services include Rheumatology, Accepts Medicare assignment, Telehealth available. Verify availability with the facility.