Mark Chang, M.D.
Mark Chang is an Urology specialist based in West Nyac, NY with over 27 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Patients across NY can see Mark Chang, M.D. in person in West Nyac or via virtual visit — no travel required. He graduated from Jefferson Medical College of Thomas Jefferson University in 1999 and has 27+ years of clinical experience. He regularly sees Medicare patients with hypertension, high cholesterol, and arthritis (per CMS claims data). CMS MIPS quality score: 100/100 (2023).
At a glance
- Uses generic medications more than 76% of reporting doctors in New York
- Federal MIPS score higher than 77% of MIPS-scored doctors in New York
- Virtual visits available — no app or travel required
Older · 5118dNPPES updated 2012-05-18 · verify NPI on CMS · Verify license at New York State Board for Medicine
Contact & Location
Practice Location
2 Medical Park Dr., West Nyac, NY 10994
How Does This Doctor Compare?
Based on Medicare data, this doctor scores better than 77% of doctors in New York on federal quality measures, favors affordable generic drugs over brand-name ones.
MIPS Score
2023100/100
New York avg: 87 · US avg: 83.6
✓ Higher than most doctors nationally(+16.4 pts)
Better than 77% of MIPS-scored doctors in New YorkHow the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Generic Rx
↑ Higher = better91.6%
New York avg: 82 · US avg: 82.8
✓ Higher than most doctors nationally(+8.8 pts)
Better than 76% of reporting doctors in New YorkHow often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
991
Unique beneficiaries
High volumePrescription Recipients
632
Patients prescribed
Prescriptions Written
2,667
Total claims
Total Medicare drug cost: $282k
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 (-4%) — less common here
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↑ More patients than average (+6%) — 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
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↓ Fewer patients than average (-4%) — less common here
Diseases involving abnormal cell growth with potential to spread to other body parts
US avg: 20.8%↑ More patients than average (+5%) — a focus area for this doctor
An irregular, often rapid heartbeat that increases the risk of stroke
US avg: 22%↓ Fewer patients than average (-1%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$769 received from industry
37 transactions reported in 2024 ·Moderate 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 2024, attributed to Mark Chang's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1999
Sidney Kimmel Medical College at Thomas Jefferson University
27 years in practice
Experienced
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
Education & Training
Jefferson Medical College of Thomas Jefferson University (Class of 1999)
Mailing address
532 Broadhollow Rd Suite 142, Melville, NY 11747-3672
Differs from practice location
Virtual Urology Care With Mark Chang
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Mark Chang for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to West Nyac 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 Chang
NPI records show Dr. Chang as active with telehealth listed in West Nyac, NY. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (845) 354-5000.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Contact Mark Chang
Practice Location
2 Medical Park Dr., West Nyac, NY 10994
Mailing Address
532 Broadhollow Rd Suite 142, Melville, NY 11747-3672
This is a provider directory. Contact the office directly to schedule appointments.
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