Summary

Surgical oncology is the focus of Dr. Michael Karellas's practice, where he treats prostate cancer, including recurrent and advanced or metastatic cases. He practices urology and surgical oncology and has 25 years of experience.

Dr. Karellas earned his medical degree from the University of Kansas School of Medicine and is affiliated with Stamford Hospital and Yale New Haven Hospital. He sees patients in Greenwich and Stamford, Connecticut, and in New Haven, Connecticut. Patients on Vitals rate Dr. Karellas 3.75 out of 5.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 3.8
  • 25 years of experience
  • speaks English
  • University Of Kansas School Of Medicine
  • 5 written reviews
  • 2 specialties
  • 18 areas of expertise
  • 2 hospital affiliations
  • 8 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Michael Emmanuel Karellas has 8 locations

Helmsley Ambulatory Surgical Care

55 Holly Hill LnGreenwich, CT 06830
Mon8:00 am - 4:00 pm
Tue8:00 am - 4:00 pm
Wed8:00 am - 4:00 pm
Thu8:00 am - 4:00 pm
Fri8:00 am - 4:00 pm
SatClosed
SunClosed

Dr. Michael Emmanuel Karellas

29 Hospital Plz Ste 604Stamford, CT 06902
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

Stamford Hospital

1 Hospital PlzStamford, CT 06902

Yale New Haven Hospital

20 York StNew Haven, CT 06510

Greenwich Hospital

5 Perryridge RdGreenwich, CT 06830

Yale New Haven Transplant Center

800 Howard Ave Ste 4New Haven, CT 06519
Mon8:30 am - 5:00 pm
Tue8:30 am - 5:00 pm
Wed8:30 am - 5:00 pm
Thu8:30 am - 5:00 pm
Fri8:30 am - 5:00 pm
SatClosed
SunClosed

Smilow Cancer Hospital

35 Park StNew Haven, CT 06519

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Dr. Michael Emmanuel Karellas, MD
Ezra J Margolin, MD
Michael J. Amirian, MD
Richard S. Matulewicz II, MD
Dr. Michael Emmanuel Karellas, MDEzra J Margolin, MDMichael J. Amirian, MDRichard S. Matulewicz II, MD
UrologyUrologyUrologyUrology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
3.8 
4.5 
25 Years of Experience 9 Years of Experience 16 Years of Experience 14 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English Speaks English Speaks English
Greenwich , CTNew York , NYForest Hills , NYNew York , NY
Med School: University Of Kansas School Of Medicine Med School: Columbia University College Of Physicians & Surgeons Med School: SUNY Downstate Medical College Med School: MD
Current Profile
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Insurance Plans Accepted by Dr. Michael Emmanuel Karellas

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. Michael Emmanuel Karellas has the following 2 specialties

Specialty Expertise

Dr. Michael Emmanuel Karellas has the following 18 areas of expertise

  • Bladder Issues
  • Bladder Removal (Cystectomy)
  • Blood in Urine (Hematuria)
  • Cancer
  • Elevated Prostate-Specific Antigen (PSA)
  • Enlarged Prostate (Prostatic Hyperplasia)
  • Erectile Dysfunction (ED)
  • Kidney Cancer
  • Kidney Stones
  • Kidney Stones (Kidney Calculi)
  • Overactive Urinary Bladder
  • Prostate Cancer
  • Prostatitis
  • Surgical Oncology
  • Testicular Diseases
  • Urinary Bladder Cancer
  • Urologic Emergencies
  • Vasectomy

Certifications, License, & Education

25 Years Experience

Dr. Michael Emmanuel Karellas holds an expired medical license in the state of Connecticut.

Medical License

Medical Doctor with an expired medical license in the state of Connecticut that expired in 2026.

Education & Training

Medical School

Graduated from University Of Kansas School Of Medicine in 2001.

NPI Number

Dr. Karellas' NPI number is 1376671396.

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Frequently Asked Questions

Does Dr. Michael Karellas accept my insurance?
You can see the insurance plans that Dr. Michael Karellas accepts on their Vitals profile.
Where is Dr. Michael Karellas's office located?
Dr. Michael Karellas's office is located at 55 Holly Hill Ln, Greenwich, CT, 06830.
How can I make an appointment with Dr. Michael Karellas?
You can find contact information for Dr. Michael Karellas here on Vitals.
Is Dr. Michael Karellas accepting new patients?
Dr. Michael Karellas is accepting new patients on Vitals. View Dr. Michael Karellas's profile on Vitals to make an appointment.
What languages does Dr. Michael Karellas speak?
Dr. Michael Karellas speaks English.

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