
After 41 years of dedicated practice, Dr. Cornatzer has retired,
and Bismarck Dermatology Center closed on May 1, 2026.
We are deeply grateful for the trust and support our patients have shown
throughout the years. It has been our privilege to care for this community.
Thank you for allowing us to be part of your care.
Medical Records
Brightside Specialty Clinics is now the official custodian of medical records for Bismarck Dermatology Center and will handle all future medical record requests.
To request your records, please contact:
Brightside Specialty Clinics
310 N. 10th Street
Bismarck, ND
Phone: 701-877-2020
Please contact Brightside Specialty Clinics directly for information about its medical-record release process and any required forms.
Your medical records remain secure and will continue to be available in accordance with applicable record-retention requirements.
Payments
Payments may still be mailed to the Bismarck Dermatology Center post office box address listed on your statement.
To make a payment by credit card or HSA card, please mail your payment information to that address. If you do not have a current statement, please include:
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Patient’s full name
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Patient’s date of birth
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Amount to be paid
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Card number
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Expiration date
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Security code
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Billing ZIP code
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Signature authorizing the payment
Please do not email credit card or HSA card information.
The team at Bismarck Dermatology Center, led by Dr. William Cornatzer and Morgan Reese, PA-C, is dedicated to helping you feel comfortable and confident in your own skin. We're committed to supporting your skin health as an essential part of your overall well-being.

Email Address
Mailing Address
Bismarck Dermatology Center
PO Box 38
Mandan, ND 58554