The Provider Inquiry Department is your primary resource for most unresolved issues. For questions about billing, benefits or eligibility that PARS and web-DENIS can't answer, call Provider Inquiry. We're available Monday through Friday during the times listed below.

To save time, please have ready all records and documentation regarding your issue and the steps you've taken to resolve it when you make your call.

Call us about benefits and eligibility:

Michigan providers

1-800-344-8525

Providers outside of Michigan

1-800-676-2583

FEP provider inquiry

1-800-482-3600

Federal Employee Program
Blue Cross Blue Shield of Michigan
P.O. Box 2599
Detroit, MI 48231-2599

Pharmacy provider inquiry

1-800-437-3803, option 2

Call us about claims:

Area code

Phone number

Hours

248, 313, 586, 734, 810
or outside Michigan
1-800-245-9092 8:30 a.m. to 5 p.m.
517, 989
1-800-272-0172 8:30 a.m. to 5 p.m.
231, 269, 616, 989
(Alcona, Alpena, Crawford, Iosco,
Montcalm, Montmorency, Ogemaw,
Oscoda, Otsego, Presque Isle
and Roscommon counties)
1-800-255-1878 8 a.m. to noon
1 p.m. to 5 p.m.
906 1-866-872-5837 8:30 a.m. to noon
1:05 p.m. to 5 p.m.
Outside Michigan 1-800-482-3146 8:30 a.m. to 5 p.m.
For questions about Blue Cross
Blue Shield of employees only,
call our Ombudsman office
1-877-258-0167
1-313-225-8748
8:30 to noon
12:50 to 5 p.m.


Write to us:

Area code Address
248, 313, 517, 586, 734, 810,
947, 989 or outside Michigan
Blue Cross Blue Shield of Michigan
P.O. Box 2227
Detroit, MI 48231-2227
231, 269, 616
(West Michigan Service Center)
Blue Cross Blue Shield of Michigan
P.O. Box 230589
Grand Rapids, MI 49523-0589
906 Blue Cross Blue Shield of Michigan
Provider Inquiry
415 S. McClellan Ave.
Marquette, MI 49855
For questions about Blue Cross Blue Shield
of employees only, call our Ombudsman
office
Ombudsman Service Center —
Mail Code 0420
Blue Cross Blue Shield of Michigan
600 E. Lafayette Blvd.
Detroit, MI 48226-2998