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Health Insurance

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Address: 420 Lowell Dr. Suite 301

           Huntsville, Al 35801

Phone: 256-265-7955

Fax: 256-265-7954 or    


Office Hours

Monday -Thursday :8:00-3.30 P.M.

Friday: 8:00-12:00 P.M.

  Lunch Hours 1:00 -2:00 P.M.

Health Insurance

Health Insurance

Health Insurance

We accept most public and private insurance plans. We also offer Payment plans for a cash-paying patients.


Health Insurance



Center for Disease Control and Prevention www.cdc.gov

Infectious Disease Society Of America


Our Services

Patient Portal



Bacterial Infections

Fungal Infections

Viral Infections



Patient Portal

Patient Portal

Patient Portal


Patient Portal allows you to view health information, check appointment dates, view labs results, and send secure messages to the office staff.  https://patients.medconnecthealth.com/Login.aspx 

Our Physicians


Ali Hassoun, m.d.,facp, aahivs, fidsa

Ali Hassoun, m.d.,facp, aahivs, fidsa

Ali Hassoun, m.d.,facp, aahivs, fidsa

 Dr.Ali Hassoun is Board Certified in Internal Medicine and Infectious Diseases. He has been serving the Huntsville - Madison community for more than  15 years. He completed his Internal Medicine Residency from NY Medical College and went on to do a Infectious Diseases Fellowship at Albert Einstein School of Medicine in Long Island Jewish Medical Center- NY. He has also practiced in  Auckland, New Zealand with the Australasian College of Physicians. Currently he is a Clinical Assistant Professor with UAB School of Medicine - Huntsville campus, an adjunct Faculty with UAH nursing school, Director of  Infection Control for Huntsville Hospital, Madison Hospital and Crestwood Medical Center. In addition to this, Dr. Hassoun has extensive research experience including presenting manuscripts  at local and national scientific meetings as well as writing book chapters. His professional memberships include the American Academy of HIV Medicine, Infectious Diseases Society of America and American College of Physicians.  


Hafsa Siddiqui M.D.

Ali Hassoun, m.d.,facp, aahivs, fidsa

Ali Hassoun, m.d.,facp, aahivs, fidsa

 Dr.Hafsa Siddiqui  is Board Certified in Internal medicine and Infectious Disease. She has been serving the Huntsville community for more than 11 years, specializes in the treatment of various infectious diseases including HIV/AIDS. She received her MD degree from Dow Medical College in Karachi, Pakistan. She completed her internship and residency at Upstate Medical University in Syracuse, New York. She went on to complete her fellowship in Infectious Disease and Medical Microbiology at the University of Utah and Affiliated Hospitals. 


About Us


Alabama Infectious Disease Center

Alabama Infectious Disease Center (AIDC) is a private physician owned, medical practice providing consultations for diagnosis and treatment of Infectious Diseases. We have been serving North-East Alabama for over a decade.

Our physicians are board certified in both Infectious Disease and Internal Medicine and have privileges at Huntsville Hospital, Madison Hospital, Crestwood Medical Center and Emcompass Rehabilitation Hospital.

We are committed to improving the health of our patients by delivering high quality, professional, infectious disease care; providing preventive guidance to those already affected by infectious diseases and reducing hospital transmitted infections through infection control and antibiotic stewardship programs.




New Patients

  Print and complete the following forms    

  below and bring that along with your  

  insurance cards, picture ID and a list of  

  current medications to your appointment.

Alabama Infectious Disease Center 

Patient Registration.pdf

(Please fill out as much information as you can.)

Medicare Form.pdf

(Only fill out if you have any Medicare affiliated insurance.)
Patient Authorization.pdf

(Please fill out as much information as you can.)
Office and Financial Policy.pdf
(Please read over and sign bottom of second page.)

Referring Physician Form

Please print referral form below and fax to

  us. Please also include any office notes, labs,

  insurance referrals, or any other information

  pertinent to the reason for your referral.

  Thank you. 

Physician Referralform.pdf

Office Polices

Patients are requested to bring a list of all current Medications.

Co-pays are due at time of service. 

There is a $15.00 minimum fee for any paperwork/letters to be completed by Physicians. This is not covered by your Ins.

Return Check policy

there is a $30.00 Fee.

Observership Form

If you are shadowing any of our physicians we ask that you read and sign this form to bring in with you on the day you start. Thank you. 



Contact Us

  Alabama Infectious Disease Center can be reached during normal business hours by phone.  If you have a medical emergency, please dial 911.

If you have questions about our services, accepted forms of insurance, our facility, or our physicians, please feel free to contact us during normal business hours by phone.

**For after hours please call our office and you will be instructed on how to get in touch with our on call physician.** 

Alabama Infectious Disease Center

420 LOWELL DRIVE,Suite # 301. Huntsville, Alabama 35801, United States

Phone : 256-265-7955 Fax: 256-265-7954 or 256-265-4017