Jarred Evan Marshak, M.D.
Gastroenterology Internal Medicine
Jarred Evan Marshak is a Gastroenterology Internal Medicine specialist based in Wantagh, NY with over 15 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Also practices: INTERNAL MEDICINE
Jarred Evan Marshak, M.D. runs an independent gastroenterologist practice in Wantagh, NY. He has been in practice for 15+ years. Among his Medicare patients, common conditions include high cholesterol, hypertension, and arthritis (per CMS data).
At a glance
- Uses generic medications more than 39% of reporting doctors in New York
- Virtual visits available — no app or travel required
Older · 2913dNPPES updated 2018-06-01 · verify NPI on CMS · Verify license at New York State Board for Medicine
How Does This Doctor Compare?
Based on Medicare data, this doctor favors affordable generic drugs over brand-name ones.
MIPS Score
20237.68/100
New York avg: 87 · US avg: 83.6
⚠ Lower than most doctors nationally(-75.9 pts)
How the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Generic Rx
↑ Higher = better84.3%
New York avg: 82 · US avg: 82.8
✓ Higher than most doctors nationally(+1.5 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
266
Unique beneficiaries
Standard volumePrescription Recipients
194
Patients prescribed
Prescriptions Written
553
Total claims
Total Medicare drug cost: $167k
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 High Cholesterol, Hypertension, and Arthritis.
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+4%) — 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 (+1%) — a focus area for this doctor
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%Excessive worry or fear that interferes with daily life
US avg: 34.1%↓ Fewer patients than average (-6%) — less common here
Conditions affecting emotional state, including depression and bipolar disorder
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$381 received from industry
12 transactions reported in 2024 ·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 2024, attributed to Jarred Evan Marshak's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
15 years in practice
Experienced
Gastroenterologists diagnose and treat digestive system disorders including GERD, irritable bowel syndrome (IBS), inflammatory bowel disease (Crohn's, ulcerative colitis), liver disease, pancreatitis, and colon polyps. They perform endoscopies and colonoscopies.
Taxonomy: 207RG0100X
Mailing address
1488 Wantagh Ave, Wantagh, NY 11793-2204
Differs from practice location
Virtual Internal Medicine Care With Jarred Evan Marshak
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Jarred Evan Marshak for cholesterol management, blood pressure monitoring, arthritis follow-ups — no travel to Wantagh 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 Jarred Evan Marshak
Dr. Marshak is listed as active in the NPI registry with telehealth listed in Wantagh, NY. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (516) 785-6800.
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 Jarred Evan Marshak
Practice Location
1488 Wantagh Ave, Wantagh, NY 11793
Mailing Address
1488 Wantagh Ave, Wantagh, NY 11793-2204
This is a provider directory. Contact the office directly to schedule appointments.
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