Where he operates, and how to check your coverage
The two things most patients want to confirm before booking — hospital affiliation and insurance — in one place.
Where surgery takes place
Mountainside Medical Center
Hackensack Meridian Health
Montclair, NJ
Dr. Day is listed as an orthopedic surgery provider at Mountainside, part of the Hackensack Meridian Health network.
View provider listingChecking your coverage
Dr. Day sees patients through Bellapianta Orthopaedics & Sports Medicine, and the practice participates with most major commercial plans. Because networks change and coverage varies by individual policy, the office verifies your specific plan before your visit rather than publishing a list that may be out of date.
Call the office with your insurance card in hand and the team will confirm coverage, any referral or pre-authorization requirement, and what to expect for your visit.
Have this ready when you call
- Your insurance card — member ID and group number
- Whether your plan requires a referral from a primary care physician
- Which office is most convenient: Montclair, Paramus or Old Bridge
- Any imaging you've already had, and where it was done
- A brief history: what happened, when, and what's been tried
Credentials you can check yourself
Nothing on this site should be taken on trust. Here is everything you need to verify it independently.
Licensure & identifiers
| NPI | 1922532647 |
| New Jersey license | 25MA11976900 Active |
| Florida license | ME 155835 Inactive |
| Alabama license | MD.44472 Inactive |
Board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery (2025).
Independent profiles
Dr. Day’s listings on directories and hospital systems that maintain their own records.
Ready to get back in the game?
Schedule your visit with Dr. Day and take the first step toward feeling like yourself again.