Summary

Dr. Constantine Manthous specializes in internal medicine and critical care medicine, bringing 38 years of medical experience to his practice. He earned his medical degree from the University of Connecticut School of Medicine and completed his residency at the University of Chicago Medicine. His extensive background in critical care allows him to manage complex medical conditions requiring intensive monitoring and treatment. Dr. Manthous is fluent in both English and Spanish, helping him connect with a diverse patient population.

Dr. Manthous practices at Lawrence and Memorial Hospital and sees patients in Niantic, Connecticut, New London, Connecticut, and Westerly, Rhode Island. He specializes in treating respiratory failure in both adult and pediatric patients. His expertise includes managing back pain during pregnancy and providing comprehensive care for critically ill patients. Patients have given Dr. Manthous an average rating of 3.7 out of 5 on Vitals, reflecting their experiences with his medical care.
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Quick Facts

  • accepting new patients
  • 3.7
  • 38 years of experience
  • 37 insurance plans accepted
  • speaks Spanish, English
  • University Of Chicago Medicine
  • 9 written reviews
  • 2 specialties
  • 7 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 3 office locations
  • Male

Office Locations

Dr. Constantine A Manthous has 3 locations

Donka Goldberg Manthous And Thompson Medical Group

22 W Main StNiantic, CT 06357
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

The Westerly Hospital

25 Wells StWesterly, RI 02891

Lawrence And Memorial Hospital

365 Montauk AveNew London, CT 06320

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Dr. Constantine A Manthous, MD
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Dr. Constantine A Manthous, MDKerry L. Folkman, MSN, NP-CEric HarkerDianne Elizabeth Seidell
Internal MedicineInternal MedicineInternal MedicineNurse Practitioner
Accepts New Patients Accepts New Patients Accepts New Patients
3.7 
3.9 
38 Years of Experience 16 Years of Experience 25 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available No Virtual Visit Option
Speaks Spanish, English Speaks English Speaks English Speaks English
Niantic , CTBrookline , MALyons , CONew London , CT
Med School: University Of Connecticut School Of Medicine Med School: Regis College Med School: Duke University School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Constantine A Manthous

  • Accepts Medicare
  • Accepts Medicaid
  • AARP
  • AARP - Medicare
  • Aetna
  • Aetna - Medicare
  • Aetna - Medicare (Advantage HMO)
  • Anthem Blue Cross
  • Anthem Blue Cross and Blue Shield Connecticut
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Rhode Island
  • Blue Cross Blue Shield of Rhode Island - CHIP
  • CarePartners of Connecticut
  • Cigna
  • Cigna-HealthSpring
  • Commonwealth Care Alliance
  • Community First Health Plans
  • ConnectiCare
  • ConnectiCare - Medicare
  • ConnectiCare - Medicare (Advantage HMO)
  • GEHA
  • Harvard Pilgrim Health Care
  • Humana
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Medicare - Medicare (Advantage HMO)
  • MetroPlus Health Plan
  • Neighborhood Health Plan
  • Optum Health
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicare
  • UnitedHealthcare - Medicare (Advantage HMO)
  • UnitedHealthcare Oxford
  • Wellcare

Medical Specialties

Dr. Constantine A Manthous has the following 2 specialties

Specialty Expertise

Dr. Constantine A Manthous has the following 7 areas of expertise

  • Asthma
  • Critical Care Medicine
  • Ethics
  • Lung Diseases
  • Palliative Care
  • Shock
  • Ventilator Weaning

Certifications, License, & Education

38 Years Experience

MEDICAL LICENSE

Medical Doctor, Connecticut, 2026, Active

EDUCATION & TRAINING

Residency

University Of Chicago Medicine

Medical School

University Of Connecticut School Of MedicineGraduated in 1988

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Frequently Asked Questions

Does Dr. Constantine Manthous accept virtual/telehealth appointments?
Dr. Constantine Manthous has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Dr. Constantine Manthous's office located?
Dr. Constantine Manthous's office is located at 22 W Main St, Niantic, CT, 06357.
How can I make an appointment with Dr. Constantine Manthous?
You can find contact information for Dr. Constantine Manthous here on Vitals.
Which hospitals is Dr. Constantine Manthous affiliated with?
Dr. Constantine Manthous is affiliated with Lawrence And Memorial Hospital.
What languages does Dr. Constantine Manthous speak?
Dr. Constantine Manthous speaks Spanish and English.

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