Mark A Merlin, DO
Mark A Merlin is an Emergency Medicine specialist based in East Hanover, NJ with over 32 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Patients across NJ can see Mark a Merlin, DO in person in East Hanover or via virtual visit — no travel required. He has been practicing since 2006 — over 32 years. CMS Medicare data shows his patients commonly have hypertension, high cholesterol, and arthritis.
At a glance
- Uses generic medications more than 84% of reporting doctors in New Jersey
- Virtual visits available — no app or travel required
Older · 128dNPPES updated 2026-01-16 · verify NPI on CMS · Verify license at New Jersey State Board of Medical Examiners
Contact & Location
Practice Location
399 Route 10, East Hanover, NJ 07936
How Does This Doctor Compare?
Based on Medicare data, this doctor favors affordable generic drugs over brand-name ones.
Generic Rx
↑ Higher = better93.1%
New Jersey avg: 82.9 · US avg: 82.8
✓ Higher than most doctors nationally(+10.3 pts)
Better than 84% of reporting doctors in New JerseyHow often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
357
Unique beneficiaries
Standard volumePrescription Recipients
217
Patients prescribed
Prescriptions Written
290
Total claims
Total Medicare drug cost: $6k
Percentile rankings compared against 2,091 reporting peers in New Jersey.
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 (-2%) — less common here
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↑ More patients than average (+1%) — a focus area for this doctor
Excessive worry or fear that interferes with daily life
US avg: 34.1%↓ Fewer patients than average (-7%) — less common here
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↓ Fewer patients than average (-8%) — less common here
Conditions affecting emotional state, including depression and bipolar disorder
A mood disorder causing persistent sadness and loss of interest in activities
US avg: 31.8%↓ Fewer patients than average (-12%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$3.4k received from industry
8 transactions reported in 2018 ·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 2018, attributed to Mark a Merlin's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Board certified · Jan 15, 2026
Self-reported via NPPES
32 years in practice
Senior practitioner
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Taxonomy: 207P00000X
Mailing address
70 S Orange Ave Ste 235, Livingston, NJ 07039-4915
Differs from practice location
Virtual Emergency Medicine Care With Mark a Merlin
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Mark a Merlin for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to East Hanover 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 a Merlin
NPI records show Dr. Merlin as active with telehealth listed in East Hanover, NJ. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (908) 577-9808.
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 a Merlin
Practice Location
399 Route 10, East Hanover, NJ 07936
Mailing Address
70 S Orange Ave Ste 235, Livingston, NJ 07039-4915
This is a provider directory. Contact the office directly to schedule appointments.
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