Insurance & Billing

How We Work With Your Insurance

At the Environmental Health & Allergy Center (EHAC), we understand that insurance coverage—especially for out-of-network care—can be confusing. Our goal is to help you feel informed, supported, and empowered when it comes to your healthcare and financial decisions.

Dr. Sultan is an out-of-network provider for all insurance companies and has opted out of Medicare and Medicaid.

Why We Are Out-of-Network

To fully practice functional and environmental medicine, we’ve chosen to remain out-of-network with all insurance plans.

This allows us to:

  • Spend more time with you at each appointment
  • Perform comprehensive root-cause evaluations using advanced testing
  • Offer a wider range of personalized therapies

In-network care models often restrict appointment length and limit coverage for integrative approaches. Our model prioritizes depth, flexibility, and whole-person care.

What This Means for You

  • You may still be reimbursed: If you have a PPO or similar plan with out-of-network benefits, you may be eligible for partial reimbursement.
  • We handle the paperwork: Our office will submit claims to your insurance on your behalf. Reimbursements go directly to you.
  • Payment is due at time of service: We require payment at your appointment, but we offer payment plan options for all patients.

Frequently Asked Questions

Q: Will my insurance cover your services?
A: Many PPO plans include out-of-network benefits. Coverage varies based on your specific plan and is usually subject to your deductible and co-insurance. We're happy to help verify your benefits.

Q: Why don’t you accept insurance directly?
A: Insurance networks often limit the time and scope of care. Staying out-of-network allows us to provide more in-depth evaluations and personalized treatment options.

Q: How do I know what I’ll be reimbursed?
A: If your plan includes out-of-network coverage, many of our services are eligible. Our insurance specialist can walk you through what to expect and how to maximize your benefits.

Q: What if I have more questions?
A: We're here to help! Contact our office at (314) 921-5600 or email us at [email protected].

Our Commitment to You

Your health comes first. By remaining out-of-network, we’re able to offer a more personalized, thorough, and results-oriented approach to your care. It’s a different kind of healthcare—and one we believe in.

Environmental Health and Allergy Center

Address

522 North New Ballas Road, Suite 392,
Creve Coeur, MO 63141

Office Hours

Monday  

10:00 am - 6:00 pm

Tuesday  

10:00 am - 6:00 pm

Wednesday  

8:00 am - 4:00 pm

Thursday  

10:00 am - 6:00 pm

Friday  

Closed

Saturday  

Closed

Sunday  

Closed