
33 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Karos, Urologist in Leominster, MA?
Dr. Stefan Karos, MD is an Urologist, who primarily practices in Leominster, MA. He has been practicing for over 33 years and is board certified. Dr. Karos graduated from Rutgers and completed his residency at New York Hospital. Dr. Karos is fluent in English, French, Greek, Modern (1453-), and Spanish, and is currently seeing new patients. Dr. Karos’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Karos’s office.
Where did Dr. Karos go to medical school and complete their residency?
Fellowship: University of Medicine and Dentistry of New Jersey
Residency: New York Hospital | University of Medicine and Dentistry of New Jersey (UMDNJ) Affiliated Hospitals | University of Medicine and Dentistry of New Jersey | University of Medicine and Dentistry of New Jersey | UMDNJ
Medical School: UMDNJ Nj Med School Newark | Rutgers
Is Dr. Karos board certified as an Urologist?
Yes, Dr. Stefan Karos, MD is board certified by the American Board of Urology
What languages does Dr. Karos speak?
Dr. Karos and their clinical team can communicate with patients in the following languages:
English
French
Greek, Modern (1453-)
Spanish
What conditions does an Urologist like Dr. Karos typically treat?
As an Urologist, Dr. Karos diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Karos. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Enlarged Prostate with Urinary Symptoms
- Enlarged Prostate (BPH)
- Enlarged Prostate (Benign Prostatic Hyperplasia)
- BPH with LUTS
- Prostate enlargement with urinary issues
- Benign prostatic hyperplasia with urinary symptoms
ICD-10 Codes:
- N401: Benign prostatic hyperplasia with lower urinary tract symptoms
Also known as:
- Ureter Stone
- Ureteral Disorder
- Ureteral Calculus
ICD-10 Codes:
- N201: Calculus of ureter
Also known as:
- Enlarged Prostate
- Enlarged Prostate (BPH)
- Enlarged Prostate (Benign Prostatic Hyperplasia)
- Benign Prostatic Hyperplasia
- BPH
- Prostate Enlargement
ICD-10 Codes:
- N400: Benign prostatic hyperplasia without lower urinary tract symptoms
Also known as:
- Urinary Retention
- Urine and Urination
- Inability to urinate
- Bladder retention
- Can't pee
- Trouble emptying bladder
ICD-10 Codes:
- R339: Retention of urine, unspecified
Also known as:
- Prostate Cancer
- Prostate Cancer Treatment (PDQ®)
- Prostatic Carcinoma
- Prostate Gland Cancer
- Malignant Prostate Tumor
ICD-10 Codes:
- C61: Malignant neoplasm of prostate
Also known as:
- Bladder Cancer
- Urinary Bladder Cancer
- Bladder Carcinoma
ICD-10 Codes:
- C679: Malignant neoplasm of bladder, unspecified
Also known as:
- Kidney Pain
- Kidney Stones
- Pelvic Pain
- Renal Colic
- Kidney Stone Pain
ICD-10 Codes:
- N23: Unspecified renal colic
What procedures does an Urologist like Dr. Karos typically perform?
As an Urologist, Dr. Karos performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Karos. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Kidney Stone Removal with Scope and Stent
- Ureteroscopy with lithotripsy
- Bladder scope for stones
- Kidney stone breaking with stent
- Ureteral stent placement for stones
CPT Codes:
- 52356: Cystourethroscopy, with ureteroscopy and/or pyeloscopy; with lithotripsy including insertion of indwelling ureteral stent (eg, Gibbons or double-J type)
Also known as:
- Ureteral Stent Placement (via Cystoscopy)
- Cystoscopy with ureteral stent
- Double-J stent insertion
- Gibbons stent placement
- Kidney stent placement
CPT Codes:
- 52332: Cystourethroscopy, with insertion of indwelling ureteral stent (eg, Gibbons or double-J type)
Also known as:
- Bladder and Urethra Scope
- Cystoscopy
- Urethroscopy
- Bladder scope procedure
CPT Codes:
- 52000: Cystourethroscopy (separate procedure)
Also known as:
- Prostate Biopsy
- Needle Biopsy of Prostate
- Punch Biopsy of Prostate
- Prostate Tissue Sample
CPT Codes:
- 55700: Biopsy, prostate; needle or punch, single or multiple, any approach
Does Dr. Karos accept my insurance?
Dr. Karos accepts most major insurance plans. Important: Please contact the office before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Karos accept in Leominster, MA?
Dr. Karos in Leominster, MA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Federal government of the United States
Humana
Medicare
Network Health
Point32Health
State of Massachusetts
UMass Memorial Health Care
View All Insurances
Where is Dr. Karos' office located?
What hospitals are Dr. Karos affiliated with?
Castle Connolly Top Hospital
This doctor is affiliated with a Castle Connolly Top Hospital.
Dr. Karos has admitting privileges at the following hospitals:
Umass Memorial Healthalliance Clinton Hospital - Leominster Campus,Leominster, MA
Ranked Cancer Surgery

Ranked Mastectomy

Umass Memorial Healthalliance Clinton Hospital - Leominster Campus,Leominster, MA
Ranked Cancer Surgery
Ranked Mastectomy
Umass Memorial Medical Center,Worcester, MA
Ranked ObGyn Surgery

Ranked in 6 Procedures

Umass Memorial Medical Center,Worcester, MA
Ranked ObGyn Surgery
Ranked in 6 Procedures
Emerson Health,Concord, MA
Ranked Cancer Surgery

Ranked in 2 Procedures

Emerson Health,Concord, MA
Ranked Cancer Surgery
Ranked in 2 Procedures
Umass Memorial Health - Marlborough Hospital,Marlborough, MA
Umass Memorial Health - Marlborough Hospital,Marlborough, MA
Recognitions
Awards
American Urological Association
What is Dr. Karos's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Karos's National Provider Identifier (NPI) number is 1376530378.
What common questions do patients ask about Dr. Karos?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Karos
What is Dr. Stefan Karos's specialty?
Dr. Karos is an Urologist near Leominster, MA.
What does an Urologist do?
A urologist is a healthcare professional with specialization in managing both benign and malignant medical and surgical disorders of the genitourinary system and adrenal glands. They possess extensive knowledge and skills in endoscopic, percutaneous, and open surgical techniques for addressing congenital and acquired conditions of the urinary and reproductive systems, as well as their associated structures.
Is Dr. Stefan Karos affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Karos is affiliated with Umass Memorial Healthalliance Clinton Hospital - Leominster Campus, Umass Memorial Medical Center, Emerson Health which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
When to see an Urologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see an Urologist. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Dr. Stefan Karos accepting new patients in Leominster, MA?
Yes, Dr. Stefan Karos is accepting new patients at this time.
Does Dr. Stefan Karos offer online booking?
Please contact Dr. Karos' office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Dr. Stefan Karos?
Please contact Dr. Karos' office to schedule an appointment.
Where is Dr. Karos' office located?
Dr. Karos' office is located in Leominster, MA.
Which board certifications does Dr. Stefan Karos have?
Dr. Stefan Karos is certified by the American Board of Urology.
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Connect with Dr. Karos
50 Memorial Dr Ste 104
Leominster, MA 01453