EST. 1992 | 30 YEARS OF EXCELLENCE
We Make Medical Billing Easier, Faster, and More Accurate.
Professional billing that reduces denials, speeds up reimbursement, and lets your practice focus on patient care.
30+ Years of Expertise
For more than three decades, Nyssen Billing has supported practices across West Michigan with dependable medical billing services. We handle claims, coding, and reimbursement with accuracy, transparency, and consistency, so your revenue cycle runs smoothly.
Comprehensive Billing Solutions
Every practice has different needs. Our services are built to strengthen your workflow, improve cash flow, and eliminate billing headaches.
OUR LONGEVITY SPEAKS FOR ITSELF:
Claims Submission & Follow-Up
Accurate claims and proactive follow-up to keep revenue moving.
Revenue Cycle Management
End-to-end oversight from patient visit to payment.
Accounts Receivable Management
We monitor aging claims, resolve issues early, and reduce outstanding balances.
Reporting & Analytics
Clear reports that show performance trends and opportunities for improvement.
When you choose Nyssen Billing, you’re choosing a team that understands the financial heartbeat of your practice and works tirelessly to protect it.
Comprehensive Billing Solutions
Every practice has different needs. Our services are built to strengthen your workflow, improve cash flow, and eliminate billing headaches.
OUR LONGEVITY SPEAKS FOR ITSELF:
Claims Submission & Follow-Up
Accurate claims and proactive follow-up to keep revenue moving.
Revenue Cycle Management
End-to-end oversight from patient visit to payment.
Accounts Receivable
We monitor aging claims, resolve issues early, and reduce outstanding balances.
Reporting & Analytics
Clear reports that show performance trends and opportunities for improvement.
When you choose Nyssen Billing, you’re choosing a team that understands the financial heartbeat of your practice and works tirelessly to protect it.
Results You Can Expect
Faster, More Predictable Cash Flow
Clean claims and consistent follow-up mean fewer delays and quicker payments.
Lower Denial Rates & Higher Collections
Accurate coding and diligent follow-up improve approval rates and total revenue.
Less Stress on Your Staff
We handle the complex parts so your team can stay focused on patient care.
Support That Scales With Your Growth
Whether you’re a small office or growing rapidly, we adjust to meet your needs.
ABOUT US
Nyssen Billing is a family-run team of experienced medical billers who value accuracy, integrity, and long-term partnerships. We take pride in supporting practices that care for our community.
Mary Nyssen
Mary Nyssen is an experienced medical billing professional and physician office manager with over 40 years of experience in healthcare administration. In 1991, she founded her own medical billing business, which quickly grew through her expertise, efficiency, and commitment to quality service. She has extensive knowledge of medical billing, insurance processing, and managing the daily operations of a busy physicians' office, and is recognized for her accuracy, organization, and dedication to supporting both providers and patients.
Barb Martin
Barbara Martin CPC is an accomplished Certified Professional Coder (CPC) with over 30 years of experience in medical coding, compliance, and healthcare revenue cycle management. Throughout a three-decade career, Barb has developed deep expertise across multiple specialties, including outpatient, inpatient, surgical, and physician-based coding. Known for exceptional accuracy, regulatory knowledge, and audit-ready documentation practices, Barb has supported healthcare organizations in improving coding quality, optimizing reimbursement, and maintaining full compliance with evolving ICD, CPT, and HCPCS guidelines.
Wendy Sutherland
Wendy Sutherland is an experienced Billing Account Manager and HR Manager with over 25 years of expertise in medical insurance billing. She has built a strong career managing billing operations and overseeing administrative functions for podiatry practices, ensuring accuracy, efficiency, and exceptional organizational workflow. Wendy is known for her deep industry knowledge, leadership skills, and commitment to supporting both staff and patients through streamlined practice management.
CAREERS
We’re always open to connecting with experienced medical billers and coders who value accuracy and teamwork. If you’re looking for a supportive place where your skills matter, we’d love to hear from you.
What Patients Say
Our patients are at the heart of everything we do. Their experiences reflect our commitment to providing compassionate care, trusted expertise, and personalized attention.
"The doctors and staff made me feel completely at ease. Their care and attention were exceptional—I felt supported every step of the way."
Jane Doe
Housewife
"I was impressed by the speed and accuracy of the diagnostic services. The staff explained everything clearly, which helped me take the right steps for my health."
John Doe
Entrepreneur
"From scheduling to follow-up, the entire experience was seamless. The team truly cares about patient well-being."
Jane Doe
Verified Buyer
"The online consultation was so convenient! I could speak with a doctor from home and get professional advice without any hassle."
John Doe
Business Owner
"I appreciate the personalized care I received. They didn’t just treat my symptoms—they guided me on how to maintain my overall health."
Jane Doe
Housewife
"Professional, friendly, and compassionate. I trust this healthcare center completely and recommend it to everyone."
John Doe
Entrepreneur
Frequently Asked Questions
Our Frequently Asked Questions section is designed to provide clear answers to common queries about our services, appointments, treatments, and policies.
How do I book an appointment?
You can easily book an appointment online through our website or by calling our support team.
Do you offer online consultations?
Yes, we provide secure and convenient online consultations with our experienced doctors.
Are your services covered by insurance?
Many of our services are covered. Please check with your insurance provider or contact us for assistance.
Do you provide emergency care?
Yes, our Emergency & Urgent Care services are available 24/7 to handle critical health situations.
Can I get preventive health check-ups?
Absolutely. We offer wellness and preventive care packages designed to help you stay healthy.
Contact Info
We’re here to help you with all your healthcare needs.
Reach out to us anytime, our friendly team is ready to assist you with claims, inquiries, and guidance.
Location
4310 Leonard St NW # 103, Grand Rapids, MI 49534
Phone
(616) 453-6329
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