Doctor Profile

Rheumatology · Rheumatology

Matthew H. Ornstein

MD · Rheumatology · State University Of New York At Stony Brook, School Of Medicine
90 S BEDFORD RD
Mount Kisco, NY 10549
✓ Accepts Medicare 💻 Offers Telehealth 🎓 38+ Years Practicing
3.0K
Medicare Patients / yr
33
Procedures Billed
38
Years Practicing
1
Hospital Affiliations
Data Source: Identity from NPPES (2026). Procedure & patient volume from CMS Medicare Provider Utilization & Payment Data (2023). Hospital affiliations from CMS Physician Compare. We display publicly reported data — no personal information required to view any of it.
Reviewed by: Wes Ward, Founder & Data Lead • View our methodology

Important: We are not affiliated with Medicare, CMS, or Matthew H. Ornstein's practice. This page displays publicly available CMS data to help you research Medicare providers. We do not sell insurance or represent any insurance company. For official enrollment and complete plan information, visit Medicare.gov or call 1-800-MEDICARE.

Medicare Plans That Cover Dr. Ornstein

See which plans Dr. Ornstein accepts

We're pulling plan acceptance data directly from insurance carrier provider directories. Until that feed is live for New York, the fastest way to find a Medicare plan that covers Dr. Ornstein is to compare every Medicare Advantage and Part D plan available near 10549, NY — the Rheumatology's office can quickly confirm which of the top local plans they accept.

Compare Medicare Plans near 10549, NY →

Or call the office at (914) 241-1050 to confirm acceptance directly.

What Dr. Ornstein Does

Dr. Ornstein served 2,959 Medicare patients across 6,290 services in the latest CMS reporting year. That's 172% above the average Rheumatology in New York (1,088 patients across 332 doctors).

ProcedureServicesMedicare Patients
Injection, denosumab, 1 mg (J0897)1,38015
Established patient office or other outpatient visit, 30-39 minutes (99214)719339
Insertion of needle into vein for collection of blood sample (36415)564279
Red blood cell sedimentation rate, to detect inflammation, automated (85652)538272
Measurement c-reactive protein for detection of infection or inflammation (86140)484257

How to read this: "Services" are the total times Dr. Ornstein billed Medicare for each procedure in the latest reporting year. "Patients" counts unique Medicare beneficiaries. Procedures are shown in plain English; the underlying HCPCS codes are available on request.

Hospital Affiliations

Dr. Ornstein is affiliated with 1 hospital in the CMS Physician Compare database. Hospital network status depends on your Medicare Advantage plan — always verify before enrolling.

Putnam Hospital Center

Carmel, NY
★★★☆☆ 3/5 CMS Rating

Practice Location & Telehealth Readiness

Dr. Ornstein practices at the address below. If you're evaluating Medicare coverage, location matters for in-network access and — when Dr. Ornstein offers telehealth — broadband availability at your home matters for virtual visits.

Address: 90 S BEDFORD RD, Mount Kisco, NY 10549
Phone: (914) 241-1050

Area Safety Grade

C-

Block-level crime analysis from CrimeGrade.org.

Practice Accessibility

42 min

Average commute time in this zip · 58% of residents drive to work. Practical context for patients deciding whether to make the trip. See the full neighborhood profile at BestNeighborhood.org.

Telehealth Readiness

95.7564

Households with fiber broadband — important for reliable virtual visits. Check your address at ISPReports.org.

Get directions on Google Maps →

Other Rheumatology Doctors near 10549, NY

If Dr. Ornstein isn't accepting new patients or isn't in your plan's network, these are the closest rheumatology doctors near 10549, NY:

DoctorSpecialtyMedicare Patients / yrDistance
Maryanne C. WysellRheumatology2.5K<1 mi
Douglas J. MundRheumatology2.8K<1 mi
Davina ChenRheumatology<1 mi
Addie DissickRheumatology4.1K<1 mi
Esther Lipstein-KreschRheumatology5.2K<1 mi

View all rheumatology doctors near 10549, NY →

How to Use This Information

Choosing a Medicare plan that covers Dr. Ornstein takes three steps:

Compare Medicare Plans near 10549, NY → All Doctors near 10549, NY

Matthew H. Ornstein: Common Questions

Does Dr. Ornstein accept Medicare?
Yes. Dr. Ornstein is enrolled with Medicare and listed in the CMS Provider Enrollment, Chain, and Ownership System (PECOS). Whether a specific Medicare Advantage plan covers Dr. Ornstein depends on that plan's provider network. Compare Medicare plans near 10549, NY →
Where is Dr. Ornstein's office?
Dr. Ornstein practices at 90 S BEDFORD RD, Mount Kisco, NY 10549. Phone: (914) 241-1050.
What Medicare plans does Dr. Ornstein accept?
Original Medicare (Parts A & B) is accepted. Medicare Advantage plan acceptance varies by carrier and plan year. Call the office at (914) 241-1050 to confirm your specific plan is accepted, or compare all Medicare plans near 10549, NY to see available options.
Does Dr. Ornstein offer telehealth visits?
Dr. Ornstein is registered with Medicare as offering telehealth services. Most Medicare Advantage plans cover telehealth visits at the same or similar cost as in-person visits. Check broadband availability in your area to ensure reliable connectivity for video visits.
How experienced is Dr. Ornstein?
Dr. Ornstein graduated in 1988 and has been practicing for approximately 38 years. In the latest CMS reporting year, Dr. Ornstein treated 2,959 Medicare patients across 33 distinct procedure types.
How do I know if Dr. Ornstein is in-network for my Medicare plan?
Network status varies by plan. The best verification steps: (1) check your plan's provider directory at the carrier's website, (2) call the office at (914) 241-1050 and ask which plans they currently accept, and (3) call the number on the back of your Medicare card. Print our doctor questions checklist →

About the Reviewer

Wes Ward

Wes Ward

Founder & Data Lead

Wes Ward reviews all doctor profiles and methodology for data accuracy. Every Medicare provider page on this site — including the utilization statistics, hospital affiliations, and geocoded practice address — goes through his data-validation pipeline before publication. We display only publicly available CMS data; you never need to enter personal information to see any of it.

With 25+ years in data analytics — including work with highly regulated genomic data at Ancestry.com — Wes brings enterprise-level rigor to healthcare transparency. He is also a co-founder of BestNeighborhood.org (neighborhood data), CrimeGrade.org (block-level safety analytics), and ISPReports.org (broadband availability for telehealth). Those sister sites power the location and telehealth-readiness context on this page.

View full profile →LinkedIn

Data sources: CMS NPPES (2026), CMS Medicare Provider Utilization & Payment Data (2023), CMS Physician Compare, CrimeGrade.org, BestNeighborhood.org, ISPReports.org. This page is for informational purposes only. Always verify coverage directly with the plan and practice. Read our full methodology →Privacy policy

Medicare Resources

Choosing the right Medicare plan involves more than just doctor coverage. These guides help you evaluate the full picture:

Medicare Plans for Conditions Treated by Rheumatology Specialists

See which Medicare plans score highest for conditions commonly managed by this specialty in 10549, NY:

Does your Medicare plan cover Dr. Ornstein?

Compare Plans near 10549, NY →