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Dr. Stephen Macari is a family medicine physician in Valhalla, New York, practicing with Westchester Health Medical PC.
Medical school: State University of New York at Buffalo School of Medicine, class of 2017.
You'll find Dr. Macari at 465 Columbus Ave Suite 125, Valhalla, NY 10595. Call (914) 232-3255 to schedule. He accepts Medicare assignment — useful to know if you are on traditional Medicare. Video (telehealth) appointments are listed as an option.
On the hospital side, Dr. Macari holds an affiliation with Phelps Hospital.
Reviews here come only from patients. If you've seen Dr. Macari, add yours.
Quick facts
- Specialty
- Family medicine physician
- Credentials
- MD
- Practice
- Westchester Health Medical PC
- Address
- 465 Columbus Ave Suite 125, Valhalla, NY 10595
- Phone
- (914) 232-3255
- Medical school
- State University of New York at Buffalo School of Medicine (2017)
- Hospital affiliations
- Phelps Hospital
- Medicare assignment
- Accepts
- Telehealth
- Available
- NPI number
- 1790212454
Medicare, Medicaid and hospitals
- Medicare quality score (MIPS 2024)
- 90 out of 100 — reported through the group practice
- New York Medicaid
- Enrolled fee-for-service provider since 2025. Medicaid managed-care plans keep their own networks, so check with your plan.
- Hospital pages
- Phelps Hospital
Comparing family doctors? See 10 in Valhalla or 259 across Westchester County.
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Frequently Asked Questions
With Westchester Health Medical PC, at 465 Columbus Ave Suite 125, Valhalla, NY 10595.
Call the office at (914) 232-3255.
Yes — Dr. Macari accepts Medicare assignment, taking the Medicare-approved amount as full payment for covered services.
Phelps Hospital.
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