(Please do not send sensitive account information through this form. It is not secure. Thank you!)
MONDAY – FRIDAY 8:30 AM to 5:30 PM DRIVE UP
MONDAY – FRIDAY 9:00 AM to 5:00 PM LOBBY
Starting January 1, 2026, our new hours will be:
MONDAY – FRIDAY 8:30 AM to 5:00 PM DRIVE UP
MONDAY – FRIDAY 9:00 AM to 5:00 PM LOBBY
David Murphy, President, Ext. 111
Jerry Litwaitis, Senior VP of Lending, Ext. 107
Melissa Sinha, VP of Operations & Member Experience, Ext. 110
Stephanie Rasmussen, AVP of Human Resources and Training, Ext. 124
Marilyn Bailey, MSR Supervisor, Ext. 108
Miguel Baldemor, Member Services Officer II, Ext. 134
Martin Chy, Member Services Officer I, Ext. 132
Alyson Cole, Consumer Loan Specialist, Ext. 126
Lindsey Hasz, Accounting Assistant
Connie Kaiser, Member Solutions Officer, Ext. 109
Corinne Menghini, Member Service Representative I, Ext. 190
Tiffany Schara, Business Development Specialist, Ext. 128
Erica Wagner, Member Services Officer I, Ext. 130
Member Service Representatives, Ext. 190
Financial Service Officers, Ext. 191
Consumer Lending, Ext. 192
Mortgage Lending, Ext. 193
Operator, Ext. 163
302 W Upham St.
PO Box 279
Marshfield, WI 54449
DO NOT INCLUDE ANY SENSITIVE PERSONAL INFORMATION IN EMAIL
For lost or stolen debit cards, please call 800-383-8000.
To report fraud on your debit card, please call 855-219-5399.
To dispute a transaction on your debit card, please call 833-288-1126.
For questions on your VISA® credit cards, please contact 800-622-7747 for customer service or 800-558-3424 for the fraud department.
Please feel free to contact us.
302 W Upham St.
PO Box 279
Marshfield, WI 54449
715-387-8686
800-818-5049
mmccu@mmccu.com
DO NOT INCLUDE ANY SENSITIVE PERSONAL INFORMATION IN EMAIL
For lost or stolen debit cards
800-383-8000
For questions on your VISA® credit cards
To Dispute a Transaction:
833-288-1126 (US)
Fraud Department
855-219-5399
