Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Louis Marcel Day, MD

Individual provider Orthopaedic Surgery Physician · NPI 1922532647

Dr. Louis Marcel Day, MD is an Orthopedic Surgery in Montclair, New Jersey. Graduated from State University of New York Downstate Medical Center in 2017, 9 years ago. Practices with Bellapianta Orthopaedics and Sports Medicine LLC, a 7-clinician group and accepts Medicare assignment. Licensed in New Jersey.

Years since qualifying
9
Trained at
State University of New York Downstate Medical Center
Licensed in
NJ
In the registry since
2017
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

120 Valley Rd
Montclair, NJ 07042-2321
Phone: (201) 490-4333
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence 25MA11976900 (NJ)

Record details

NPI number1922532647
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 19, 2017
Last updated in NPPESDecember 5, 2024
Certification dateDecember 5, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolSTATE UNIVERSITY OF NEW YORK DOWNSTATE MEDICAL CENTER
Graduated 2017 (9 years in practice)
Group practice Bellapianta Orthopaedics And Sports Medicine Llc — 7 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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