Summary

Dr. Stefan Karos is a urologist and surgeon who earned his medical degree from Rutgers New Jersey Medical School and completed his residency at UMDNJ. With four decades of medical experience, he specializes in treating conditions affecting the urinary system and male reproductive health. Dr. Karos is fluent in both English and Spanish, allowing him to serve a diverse patient population.

Dr. Karos practices at Nashoba Valley Medical Center and Athol Hospital, with locations in Leominster and Athol, Massachusetts. He frequently treats patients with kidney stones, enlarged prostate, and complex kidney stone conditions. His procedural expertise includes bladder examinations using specialized cameras, diagnostic testing, and providing comfortable sedation during procedures. Patients have given Dr. Karos an average rating of 2.9 out of 5 stars on Vitals.

AI-generated from data on this provider profile.

Quick Facts

  • accepting new patients
  • 2.9
  • 40 years of experience
  • 20 insurance plans accepted
  • speaks English, Spanish
  • Umdnj
  • 17 written reviews
  • 2 specialties
  • 9 areas of expertise
  • 2 board certifications
  • 2 hospital affiliations
  • 4 office locations
  • Male

Office Locations

Dr. Stefan Karos has 4 locations

Karos Stefan Office

50 Memorial Dr Ste 104Leominster, MA 01453
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

Stefan Karos, MD, PC

50 Memorial DrLeominster, MA 01453

Umass Memorial Health Alliance-Clinton Hospital

60 Hospital RdLeominster, MA 01453

Athol Hospital

2033 Main StAthol, MA 01331

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Dr. Stefan Karos, MD
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Dr. Stefan Karos, MDDr. Daniel Quang Bui, DDSDr. Jonathan Howard SchusterDr. Robert Dai
UrologyOral & Maxillofacial SurgeryPlastic SurgeryAnesthesiology
Accepts New Patients Accepts New Patients
2.9 
40 Years of Experience 6 Years of Experience 44 Years of Experience 43 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks English
Leominster , MAWorcester , MASouthborough , MAFramingham , MA
Med School: Rutgers New Jersey Medical School Med School: Louisiana State University School Of Medicine In Shreveport Med School: University Of Pittsburgh School Of Medicine Med School: Fujian Medical University
Current Profile
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Insurance Plans Accepted by Dr. Stefan Karos

  • Accepts Medicare
  • Accepts Medicaid
  • AARP
  • Aetna
  • Blue Cross Blue Shield of Massachusetts
  • Cigna
  • Commonwealth Care Alliance
  • Fallon Community Health Plan (FCHP)
  • Fallon Community Health Plan (FCHP) - HMO
  • Fallon Community Health Plan (FCHP) - Medicare (Advantage HMO)
  • Harvard Pilgrim Health Care
  • Johns Hopkins Employer Health Programs
  • Mass General Brigham Health Plan
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicare
  • Tufts Health Plan
  • UnitedHealthcare
  • UnitedHealthcare - PPO
  • UnitedHealthcare Oxford
  • US Family Health Plan

Medical Specialties

Dr. Stefan Karos has the following 2 specialties

Specialty Expertise

Dr. Stefan Karos has the following 9 areas of expertise

  • Bladder Issues
  • Calculi (Stones)
  • Erectile Dysfunction (ED)
  • Kidney Stones
  • Overactive Urinary Bladder
  • Prostate Cancer
  • Prostatitis
  • Surgery
  • Urologic Emergencies

Certifications, License, & Education

40 Years Experience

MEDICAL LICENSE

Medical Doctor, Massachusetts, 2027, Active

EDUCATION & TRAINING

Residency

Umdnj

Medical School

Rutgers New Jersey Medical SchoolGraduated in 1986

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Frequently Asked Questions

Is Dr. Stefan Karos accepting new patients?
Dr. Stefan Karos is accepting new patients on Vitals. View Dr. Stefan Karos's profile on Vitals to make an appointment.
How can I make an appointment with Dr. Stefan Karos?
You can find contact information for Dr. Stefan Karos here on Vitals.
Where is Dr. Stefan Karos's office located?
Dr. Stefan Karos's office is located at 50 Memorial Dr Ste 104, Leominster, MA, 01453.
Which hospitals is Dr. Stefan Karos affiliated with?
Dr. Stefan Karos is affiliated with Nashoba Valley Medical Center and Athol Hospital.
What languages does Dr. Stefan Karos speak?
Dr. Stefan Karos speaks English and Spanish.

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