Dentist Office in Hammond, IN

Office Hours:


9:00 AM – 5:00 PM


9:00 AM – 5:00 PM


9:00 AM – 5:00 PM


9:00 AM – 5:00 PM


Appointment Only


Appointment Only



Meet Our Dentists

Dr. Jonathan Phen, professional dentist with a warm smile and blue scrubs

LECOM School of Dental Medicine

Portrait of Dr. Melissa Yousefi, caring dentist ready to provide quality care

Midwestern University College of Dental Medicine

When you arrive at our dentist office in Hammond, IN, you will be greeted by our welcoming front desk team who will check you in. During check-in, we will verify your insurance information, notify our team of your arrival, and guide you through finishing any new patient forms. To save time during your first visit, your forms will be sent via text for you to fill out before your appointment.

After you are checked in, our dental assistant team will call you back to a treatment room to review your dental history, and any dental health concerns or issues you may have. Our dental assistant will then take digital x-rays for the doctor to review. 

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General Dentistry, Cosmetic Dentistry, Restorative Dentistry, Oral Surgery, Root Canal Therapy, Emergency Dentistry, Dental Implants, Clear Aligners, Pola Light Tooth Whitening, Oral Sleep Appliances

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Insurance Accepted

We accept a variety of dental insurance plans (including those listed below) to meet your needs. Our friendly team will be more than happy to assist you with understanding your coverage. 

  • Aetna (PPO)
  • Ameritas (PPO)
  • Blue Cross Blue Shield (PPO)
  • Cigna (PPO)
  • Connection/GEHA (PPO)
  • Delta Dental (PPO)
  • Dentegra (PPO)
  • DenteMax (PPO)
  • Gaurdian (PPO)
  • Humana (PPO)
  • MetLife (PPO)
  • Principal (PPO)
  • Teamcare (PPO)
  • United Concordia (PPO)
  • United Healthcare (PPO)

Financing Options

We are happy to provide information on our financing options if you don’t have dental insurance. Our financing options include LendingClub, Proceed Finance, and Sunbit.

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Dr. Jonathan Phen, DMD, MMS

Dr. Jonathan Phen is a dedicated dentist based at our Hammond and Foster Ave location, with a deep passion for dentistry and a commitment to continuous learning and skill development. He holds a Bachelor’s of Art from University of Florida, Master’s of Medical Science, and Doctorate of Dental Medicine from Lake Erie College of Osteopathic Medicine. While in college, Dr. Phen served as the Vice President of LECOM’s Oral and Maxillofacial Surgery Club and Research Group, showcasing his active involvement in academic and professional pursuits. He is a proud member of the Illinois State Dental Society, the American Dental Association, and the Academy of General Dentistry. In his leisure time, Dr. Phen enjoys playing the piano and stays informed about the latest advancements in artificial intelligence and medical technology. His diverse interests also include writing, general wellness, and personal fitness. Outside of work, Dr. Phen shares his home with two feline companions, Bonnie and Clyde.

Dr. Melissa Yousefi, DMD

Dr. Melissa Yousefi is an associate dentist for Secure Dental’s Hammond office. Driven by her compassion for her patients, she takes pride in providing the best possible care to patients, especially those with previous traumatic dental experiences and severe anxiety. Dr. Yousefi holds a B.A. in Psychology and a Doctorate of Dental Medicine from the Midwestern University College of Dental Medicine. In her spare time, she enjoys drawing, cooking, and planning exciting travels