EAST LANSING OFFICE:
Alliance Main Campus
1560 Turf Lane
East Lansing, MI 48823

ph: 517-484-3000
fax: 517-484-6358
Sparrow Lab Hours
Mon - Fri 8:00 - 5:00
Closed 12:30-1:30

MASON OFFICE:
Alliance South Campus
1100 South Cedar Street
Mason, MI 48854

ph: 517-484-3000
fax: 517-978-0002
Sparrow Lab Hours
M, W, Th & F 8:30-4:30
Tues 9:00 - 4:30
closed 12:30-1:00
* New lab hours
Effective 12/17
M, W, Th & F 8:30-12:00
Tues 9:00 - 12:00 noon





About Us

Alliance Obstetrics and Gynecology provides a full spectrum of health care for women, offering complete obstetrical care. Serving patients from adolescence through menopause and beyond, we take a partnership approach to healthcare, working with our patients on the premise that equal participation in the decision making process leads to optimal health.

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Please review the Alliance Ob-Gyn Code of Conduct

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Click here for Patient Portal FAQ's.




eVisits are now available at Alliance! All you need is an active patient portal account with us!  If you still need to sign up for the portal, click here to get started.
If you were unable to attend the Farewell Retirement Reception for Dr. Guerin, we are creating a memory book for her that will be available for you to sign at the front desk in our East Lansing office.  Stop in during normal business hours if you are interested.
Click here for a letter to Dr. Guerin's patients.
Effective November 1, 2018 Alliance Obstetrics & Gynecology PLC will no longer participate with the following Medicaid insurance plans:
Straight Medicaid (including spend down)
Blue Cross Complete Medicaid
Meridian Health Plan
Molina Healthcare
McLaren Health Plan Medicaid - established patients we will honor your plan through 1/9/19
Click here for more information on your options.
Effective Monday, December 17th, the hours for the Sparrow Lab in the Mason Alliance are as follows:
Monday, Wednesday, Thursday & Friday
8:30 am - 12:00 noon
Tuesday
9:00 am - 12:00 noon
  

At Alliance, our goal is to provide our patients with the best experience possible when interacting with our practice.  We are pleased to announce our secure, interactive patient self-service feature that will let you communicate with us from the convenience of your home or office.  If you would like to sign up for the Patient Portal or if you have questions about your account, please call our office at 517-484-3000.
 

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Medical Records
DataFile Contact Center

Phone: 816-437-9134
Monday - Friday
8:30 am - 6:00 pm EST
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Click here for the Alliance Notice of Privacy Practices. 
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Click here for important
information about
Alliance's participation with
Medicare's ACO program.