Matthew Herbert Ornstein, M.D.
Rheumatology Internal Medicine
Matthew Herbert Ornstein is a Rheumatology Internal Medicine specialist based in Carmel, NY with over 38 years of clinical experience. Offers virtual telehealth visits.
Matthew Herbert Ornstein, M.D. has practiced internal medicine for 38+ years, working in group practice. A State University of New York at Stony Brook, School of Medicine graduate since 1988, he brings 38+ years of experience. He regularly sees Medicare patients with hypertension, high cholesterol, and arthritis (per CMS claims data).
Older · 3520dNPPES updated 2016-11-18 · verify NPI on CMS · Verify license at New York State Board for Medicine
Contact & Location
Practice Location
672 Stoneleigh Ave Caremount Medical Pc, Carmel, NY 10512-4634
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
Elevated cholesterol or triglycerides that increase heart disease risk
Joint inflammation causing pain, swelling, and stiffness
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
Weakened bones that are more prone to fractures, common in older adults
A condition where the body cannot properly regulate blood sugar levels
Gradual loss of kidney function over time, often linked to diabetes or hypertension
Excessive worry or fear that interferes with daily life
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.
Graduated medical school · 1988
State University of New York at Stony Brook, School of Medicine
38 years in practice
Senior practitioner
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
State University of New York at Stony Brook, School of Medicine (Class of 1988)
Mailing address
110 S Bedford Rd Caremount Medical Pc, Mount Kisco, NY 10549-3446
Differs from practice location
Virtual Internal Medicine Care With Matthew Herbert Ornstein
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Matthew Herbert Ornstein for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Carmel required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.
Frequently Asked Questions
Common questions about Matthew Herbert Ornstein
NPI records show Dr. Ornstein as active with telehealth listed in Carmel, NY. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (845) 231-5600.
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.
Contact Matthew Herbert Ornstein
Practice Location
672 Stoneleigh Ave Caremount Medical Pc, Carmel, NY 10512-4634
Mailing Address
110 S Bedford Rd Caremount Medical Pc, Mount Kisco, NY 10549-3446
This is a provider directory. Contact the office directly to schedule appointments.
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