Jonathan Klahr, MD

Rheumatology Internal Medicine

Jonathan Klahr is a Rheumatology Internal Medicine specialist based in Cedarhurst, NY with over 43 years of clinical experience. Offers virtual telehealth visits.

(516) 374-7122Cedarhurst, NY
Telehealth Available
NPI Active per CMS — Q2 2026

Jonathan Klahr, MD runs an independent rheumatologist practice in Cedarhurst, NY. Trained at Albert Einstein College of Medicine of Yeshiva University (class of 1983), he has been practicing for over 43 years. CMS Medicare data shows his patients commonly have hypertension, high cholesterol, and arthritis.

1 of 238 Internal Medicine providers in NYSee all Internal Medicine in Cedarhurst43+ years experienceNPI since 2006

Older · 6894dNPPES updated 2007-07-08 · verify NPI on CMS · Verify license at New York State Board for Medicine

Contact & Location

Practice Location

660 Central Ave, Cedarhurst, NY 11516-2303

Fax: (516) 374-4088
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 Arthritis.

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

Arthritis
61%

Joint inflammation causing pain, swelling, and stiffness

Diabetes
52%

A condition where the body cannot properly regulate blood sugar levels

Osteoporosis
47%

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

Ischemic Heart Disease
30%

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

GeneralBehavioralNational avg

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

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Background & Specialty

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

Career Journey
  1. Graduated medical school · 1983

    Albert Einstein College of Medicine of Yeshiva University

  2. 43 years in practice

    Senior practitioner

Internal MedicineAllopathic & Osteopathic Physicians

Rheumatologists treat autoimmune and inflammatory conditions including rheumatoid arthritis, lupus, psoriatic arthritis, gout, osteoarthritis, and vasculitis. They manage biologic therapies and joint-preserving treatments.

Taxonomy: 207RR0500X

Education & Training

Albert Einstein College of Medicine of Yeshiva University (Class of 1983)

Virtual Internal Medicine Care With Jonathan Klahr

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

Schedule a virtual visit with Jonathan Klahr for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Cedarhurst required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.

Frequently Asked Questions

Common questions about Jonathan Klahr

NPI records show Dr. Klahr as active with telehealth listed in Cedarhurst, NY. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (516) 374-7122.

Verified across 3 federal data sources

Sourced from CMS NPPES · OIG LEIE · 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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