Dr. Matthew Herbert Ornstein, MD
- Medicare services, 2024
- 12,693
- Medicare patients, 2024
- 393
- Part D claims, 2024
- 1,791
- Affiliated sites
- 2
- Medical group
- 1
- Practice address
- 342 State Rte 202, Somers, NY 10589
- Practice phone
- Call (914) 241-1050
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Caremount Medical
Somers, New York
Find Dr. Ornstein's professional email, personal email and mobile number
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Dr. Matthew Herbert Ornstein is a rheumatologist in Somers, New York
Dr. Ornstein practices at Caremount Medical in Somers, New York.
Dr. Ornstein's NPI, 1598737066, was assigned on February 7, 2006. Dr. Ornstein graduated from Stony Brook University Health Sciences Center School of Medicine in 1988. Dr. Ornstein holds New York license 179957-1.
- NPI
- 1598737066NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2264494681
- NPI enumeration date
- February 7, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (914) 241-1050
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Matthew Herbert Ornstein practices at Caremount Medical in Somers, New York
Dr. Ornstein's primary practice is Caremount Medical, at 342 State Rte 202, Somers, NY 10589 in Westchester County. The practice phone is (914) 241-1050.
- Caremount Medical342 State Rte 202, Somers, NY 10589 · Westchester CountyPhone(914) 241-1050
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Matthew Herbert Ornstein is affiliated with 3 sites of care and 1 medical group
Dr. Ornstein's primary practice is Caremount Medical in Somers, New York. The medical group on file is CareMount Medical. Dmand AI also links Dr. Ornstein to 1 more physician office and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Matthew Herbert Ornstein's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ornstein practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Caremount Medical | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Matthew Herbert Ornstein is one of 514 rheumatologists in New York
Rheumatology is Dr. Ornstein's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Ornstein is licensed in New York.
Specialties and state licenses
- Rheumatology, New YorkPrimary
Rheumatologists near Dr. Ornstein
Counts of rheumatologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Matthew Herbert Ornstein billed Medicare for 12,693 services in 2024
CMS data shows 12,693 Medicare services from Dr. Ornstein across 34 procedure codes in 2024, for 393 Medicare patients. Medicare paid $152,573 for them. Every service was in an office.
Dr. Ornstein's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 1,5552024: 8,713460%
- Lab and pathology
- 2023: 2,9252024: 2,19425%
- Office and hospital visits
- 2023: 9362024: 8974%
- Surgery
- 2023: 7182024: 7596%
- Tests and treatments
- 2023: 1322024: 10818%
- Other services
- 2023: 242024: 228%
Dr. Ornstein compared with the New York median for rheumatologists, 2024
- Dr. Ornstein
- New York median
- Medicare services
- 12,693vs 56522.5 times
- Medicare patients
- 393vs 1762.2 times
- Part D claims
- 1,634vs 92177% above
Medians across 509 rheumatologists in New York with Dmand AI profiles that report each measure.
Dr. Ornstein's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Matthew Herbert Ornstein treated 393 Medicare patients in 2024, average age 75
CMS counts 393 Medicare patients who saw Dr. Ornstein in 2024. The largest group is 65 to 74, with 166 patients. 75% of them have arthritis, and 75% have high blood pressure. 7% are also on Medicaid. Their average risk score is 1.31, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Ornstein's median patient age at 67, with 66% women.
Dr. Ornstein's Medicare patients by age, 2024
Dr. Ornstein's Medicare patients by sex, 2024
- Women25765%
- Men13635%
Chronic conditions among Dr. Ornstein's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease32%
- Osteoporosis28%
- Chronic kidney disease23%
- Diabetes23%
- Anxiety22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ornstein's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women66%
- Men30%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Matthew Herbert Ornstein wrote 1,791 Medicare Part D claims in 2024
In 2024, Dr. Ornstein wrote 1,791 Medicare Part D claims for 347 patients. 80% of them were for generic drugs. CMS names the drug for 1,634 of them, across 24 drugs with 11 or more claims each, at $2,134,361 in total drug cost. In 2023, CMS named 1,763 claims across 27 drugs.
Dr. Ornstein's Part D claims by kind of drug, 2024
- Generic1,431 claims80%
- Brand-name and other360 claims20%
Dr. Ornstein's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Ornstein's Part D claims, 2024
- Antibiotics1%23 of 1,791 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,7632024: 1,6347%
Drugs named by CMS: 24 in 2024, 27 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Matthew Herbert Ornstein offers telehealth to Medicare patients
Dr. Ornstein accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ornstein as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Matthew Herbert Ornstein graduated from Stony Brook University Health Sciences Center School of Medicine
Dr. Ornstein graduated from Stony Brook University Health Sciences Center School of Medicine in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Matthew Herbert Ornstein's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Matthew Herbert Ornstein
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Matthew Herbert Ornstein's NPI number?
Dr. Matthew Herbert Ornstein's NPI number is 1598737066. It was assigned on February 7, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Matthew Herbert Ornstein?
Dr. Matthew Herbert Ornstein is a rheumatologist in Somers, New York. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. Matthew Herbert Ornstein practice?
Dr. Ornstein practices at 342 State Rte 202, Somers, NY 10589. Dr. Ornstein's primary practice is Caremount Medical in Somers, New York. Dmand AI also links Dr. Ornstein to 1 physician office and 1 group practice or clinic.
What is Dr. Matthew Herbert Ornstein's office phone number?
The practice phone on file for Dr. Ornstein is (914) 241-1050.
What is Dr. Matthew Herbert Ornstein's medical license number?
Dr. Ornstein holds New York license 179957-1.
What medical group is Dr. Matthew Herbert Ornstein part of?
Dr. Ornstein is linked to CareMount Medical.
Does Dr. Matthew Herbert Ornstein accept Medicare?
Yes. CMS data shows Dr. Ornstein billed Medicare for 12,693 services in 2024, and Dr. Ornstein accepts Medicare assignment.
Does Dr. Matthew Herbert Ornstein offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Ornstein as offering telehealth services.
How many Medicare patients does Dr. Matthew Herbert Ornstein see?
CMS counts 393 Medicare patients who saw Dr. Ornstein in 2024, with an average age of 75.
What services does Dr. Matthew Herbert Ornstein bill to Medicare?
In 2024, Dr. Ornstein's most billed Medicare services were injected or infused drug (J1010), injected or infused drug (J0897) and office visit, established patient (99214).
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Where did Dr. Matthew Herbert Ornstein go to medical school?
Dr. Ornstein graduated from Stony Brook University Health Sciences Center School of Medicine in 1988.
What drugs does Dr. Matthew Herbert Ornstein prescribe most?
In 2024 Medicare Part D data, Dr. Ornstein's most prescribed drugs by claims were Hydroxychloroquine Sulfate, Prednisone and Methylprednisolone.
How long has Dr. Matthew Herbert Ornstein been practicing?
Dr. Ornstein graduated from medical school in 1988, 38 years ago.
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