Reliant Medical Group

Leominster Location

Nursing (Nurse Practitioner), Cardiology · 7 Providers

Average Rating of all Office Providers

Office Providers

Dr. Cormac Depan, MD

Dr. Cormac Depan, MD

Ear, Nose, and Throat

Janice Flores-Lewis, NP

Janice Flores-Lewis, NP

Nursing (Nurse Practitioner)

Ilsa Grunder, NP

Ilsa Grunder, NP

Nursing (Nurse Practitioner)


Office Provider Reviews


based on the average of 14 provider reviews for Reliant Medical Group

Review of Dr. Depan

-Boylston, MA |

Dr Depan is rude, uncaring, has a horrible bedside manor and just plain doesn’t know how to treat patients. Avoid, if possible. His office staff and the audiologists on the other hand are very friendly and helpful.
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Review of Dr. Depan

-Brooklyn, NY |

probably the worst doctor i’ve ever been to....he didn’t seem to know what was wrong and was just making guesses and asking me what i thought...hmmm aren’t you supposed to be the expert? would give him 0 stars if it was an option...stay far away!
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Review of Dr. Depan

-Woodstock, CT |

Dr. DePan is a kind, caring and thoughtful physician. He took the time to listen to my daughters concerns and as a result, won her trust as she decided to go forward and have a tonsillectomy. She ended up having a bleed six days after surgery and he had to take her back to the or. He was very aware of our concern and spent time reassuring us. Dr Depan is the best ent and we highly recommend him.
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Review of Ilsa Grunder


Ilsa Grunder is amazing. She was compassionate, kind and thorough in her explanations and suggestions during my appointment. Everyone I interacted with at her practice was wonderful, a very special group of folks.
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Learn About Reliant Medical Group

63 Procedures

  • Ablation Or Excision Of Nasal Turbinates
  • Abscess Or Cyst Drainage Or Aspiration
  • Abscess Or Fluid Incision And Drainage
  • Adenoidectomy
  • Antrostomy And Antrotomy (Sinus Surgery)
  • Appendectomy, Laparoscopic
  • Balloon Sinuplasty
  • Bone Marrow Biopsy
  • Breast Surgical Procedure
  • Cardiac Imaging
  • Cardiac Myocardial Perfusion Imaging
  • Cardiovascular Stress Test
  • Cervical Lymph Node Dissection
  • Chest Ct (Incl. Heart And Lungs)
  • Colectomy
  • Colon And Rectal Surgery
  • Diabetes Screening
  • Diagnostic Nasal And-Or Sinus Endoscopy
  • Dressing And-Or Debridement Of Wound, Infection, Or Burn (Incl. Negative Pressure Wound Therapy)
  • Ear Surgery
  • Ear Tube Placement
  • Ent Surgery
  • Enterostomy (Laparoscopic Or Open)
  • Esophageal Surgery
  • Ethmoidectomy (Sinus Surgery)
  • Excision Of Skin Lesion
  • Excision, Shaving, Or Destruction Of Skin And Subcutaneous Tissue (Incl. Mohs Micrographic Surgery), Tissue Transfer
  • Gallbladder Removal
  • Gallbladder Removal (Cholecystectomy), Laparoscopic
  • Gastric Bypass Surgery, Laparoscopic
  • Gastroenterology Procedures
  • Gastrotomy
  • Head And Neck Surgery
  • Heart Surgery
  • Hemorrhoidectomy Or Excision Of Anal Tags
  • Hernia Repair
  • Immunization
  • Incisional Hernia Repair, Laparoscopic
  • Inguinal Hernia Repair, Laparoscopic
  • Inguinal Hernia Repair, Open
  • Intranasal Or Sinus Procedure
  • Laparoscopic Surgical Procedure
  • Laryngoscopy - Laryngotomy - Laryngectomy - Pharyngolaryngectomy - Pharyngectomy
  • Laryngoscopy And Laryngotomy
  • Liver Function Test
  • Lung Surgery
  • Lymph Node Biopsy Or Excision
  • Mastectomy
  • Nasal Septum Surgery (Septoplasty)
  • Open Incisional And-Or Ventral Hernia Repair
  • Osteoporosis Screening
  • Paracentesis
  • Peripheral Artery Catheterization
  • Plasmapheresis
  • Port Placements Or Replacements
  • Sinus Surgery
  • Stomach Surgery
  • Tilt Testing Or Cardiac Event Monitors
  • Tonsillectomy
  • Tracheal Surgery
  • Umbilical Or Ventral Hernia Repair, Laparoscopic
  • Vestibule And Floor Of Mouth, Excision Or Destruction
  • Wound Repair


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Who We Are

  • Large, integrated multispecialty medical practice.

Language Services

  • Polish

Reliant Medical Group accepts 15 insurance carriers

  • Aetna
  • Anthem
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Louisiana
  • Blue Cross Blue Shield of Massachusetts
  • Cigna
  • Commercial Insurance Company
  • Fallon Community Health Plan
  • First Health (Coventry Health Care)
  • Harvard Pilgrim Health Care
  • Humana
  • Medicaid
  • MultiPlan
  • Tufts Health Plan
  • UnitedHealthCare
*Please verify this information when scheduling an appointment.