David J Harnick, M.D.

Cardiovascular Disease Internal Medicine

Internal Medicine

David J Harnick is a Cardiovascular Disease Internal Medicine specialist based in New York, NY with over 30 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

Also practices: CARDIOVASCULAR DISEASE (CARDIOLOGY)

(212) 679-4488New York, NY
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

David J Harnick, M.D. has practiced internal medicine for 30+ years, working in independent practice. He graduated from Icahn School of Medicine at Mount Sinai in 1996 and has 30+ years of clinical experience. Among his Medicare patients, common conditions include hypertension, high cholesterol, and afib (per CMS data).

1 of 518 Internal Medicine providers in NYSee all Internal Medicine in New York30+ years experienceNPI since 2006

Older · 1176dNPPES updated 2023-03-06 · verify NPI on CMS · Verify license at New York State Board for Medicine

Contact & Location

Practice Location

148 E 38th St, New York, NY 10016-2607

Fax: (212) 684-4841
CMS Clinical Data

How Does This Doctor Compare?

Medicare Patients

657

Unique beneficiaries

High volume

Prescription Recipients

336

Patients prescribed

Prescriptions Written

2,640

Total claims

Total Medicare drug cost: $824k

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.

Patient Condition Panel

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 Atrial Fibrillation.

Hypertension
75%

High blood pressure — a leading risk factor for heart disease and stroke

High Cholesterol
75%

Elevated cholesterol or triglycerides that increase heart disease risk

Atrial Fibrillation
63%

An irregular, often rapid heartbeat that increases the risk of stroke

Ischemic Heart Disease
58%

Reduced blood flow to the heart muscle, commonly known as coronary artery disease

Arthritis
52%

Joint inflammation causing pain, swelling, and stiffness

Diabetes
38%

A condition where the body cannot properly regulate blood sugar levels

Heart Failure
28%

The heart cannot pump blood efficiently enough to meet the body's needs

Osteoporosis
23%

Weakened bones that are more prone to fractures, common in older adults

GeneralBehavioralNational avg

Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.

Industry Payment Transparency

$7.5k received from industry

89 transactions reported in 2024 ·High tier

View on CMS Open Payments →

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 David J Harnick's NPI.

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. Graduated medical school · 1996

    Icahn School of Medicine at Mount Sinai

  2. Board certified · Mar 5, 2023

    Self-reported via NPPES

  3. 30 years in practice

    Senior practitioner

Internal MedicineCardiovascular Disease in New YorkAllopathic & Osteopathic Physicians

Cardiologists specialize in diagnosing and treating heart and blood vessel conditions including coronary artery disease, heart failure, arrhythmias, valve disorders, and hypertension. They perform diagnostic procedures such as echocardiograms, stress tests, and cardiac catheterization.

Taxonomy: 207RC0000X

Education & Training

Icahn School of Medicine at Mount Sinai (Class of 1996)

Virtual Cardiovascular Disease Care With David J Harnick

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with David J Harnick for blood pressure monitoring, cholesterol management, follow-up consultations — no travel to New York 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 David J Harnick

NPI records show Dr. Harnick as active with telehealth listed in New York, NY. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (212) 679-4488.

Verified across 6 federal data sources

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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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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