Mark B Irwin, M.D.
Mark B Irwin is an Urology specialist based in Brooklyn, NY with over 44 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Mark B Irwin, M.D. has been part of the Brooklyn medical community since 2005 in independent practice. With 44+ years of experience, he has been practicing in the Brooklyn area. CMS Medicare data shows his patients commonly have hypertension, high cholesterol, and arthritis.
At a glance
- Uses generic medications more than 86% of reporting doctors in New York
- Virtual visits available — no app or travel required
Older · 3321dNPPES updated 2017-04-19 · verify NPI on CMS · Verify license at New York State Board for Medicine
Contact & Location
Practice Location
359 Clinton St, Brooklyn, NY 11231-3701
How Does This Doctor Compare?
Based on Medicare data, this doctor favors affordable generic drugs over brand-name ones.
Generic Rx
↑ Higher = better95%
New York avg: 82 · US avg: 82.8
✓ Higher than most doctors nationally(+12.2 pts)
Better than 86% of reporting doctors in New YorkHow often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
185
Unique beneficiaries
Standard volumePrescription Recipients
84
Patients prescribed
Prescriptions Written
343
Total claims
Total Medicare drug cost: $27k
Percentile rankings compared against 8,064 reporting peers in New York.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and Arthritis.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+5%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-1%) — less common here
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↑ More patients than average (+9%) — a focus area for this doctor
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↑ More patients than average (+3%) — a focus area for this doctor
Diseases involving abnormal cell growth with potential to spread to other body parts
US avg: 20.8%↑ More patients than average (+2%) — a focus area for this doctor
Conditions affecting emotional state, including depression and bipolar disorder
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↓ Fewer patients than average (-8%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$116 received from industry
2 transactions reported in 2018 ·Low tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2018, attributed to Mark B Irwin's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
44 years in practice
Senior practitioner
A urologist manages benign and malignant medical and surgical disorders of the genitourinary system and the adrenal gland. This specialist has comprehensive knowledge of and skills in endoscopic, percutaneous and open surgery of congenital and acquired conditions of the urinary and reproductive systems and their contiguous structures.
Taxonomy: 208800000X
Virtual Urology Care With Mark B Irwin
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Mark B Irwin for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Brooklyn required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Mark B Irwin
Dr. Irwin is listed as active in the NPI registry with telehealth listed in Brooklyn, NY. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (646) 460-1479.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2018 · CMS Physician Comparator. See Data Methodology.
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Contact Mark B Irwin
Practice Location
359 Clinton St, Brooklyn, NY 11231-3701
Mailing Address
359 Clinton St, Brooklyn, NY 11231-3701
This is a provider directory. Contact the office directly to schedule appointments.
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