Myrelle B. Castro, MD
Listed as an allergist, with 4 practice addresses in Monroe, New York, and 3 other cities.
Practice locations 4
Horizon Medical Group PC
1200 State Route 208
Monroe, NY 10950Horizon Medical Group PC
1460 State Route 17M
Chester, NY 10918Horizon Medical Group PC
21 Edward J Lempka Dr, Family Practice
Florida, NY 10921Horizon Medical Group PC
277 Quassaick Ave
New Windsor, NY 12553
From the records
- Specialty
- Allergist
- Records
- Medicare records: allergy/immunology (October 2026).
- Medicare
- Accepts the Medicare-approved amount as payment in full (Medicare assignment), according to CMS’s file. This applies to Original Medicare; Medicare Advantage plans have their own networks. What assignment means
- Medical school
- Graduated 1996; school not named (Medicare records)
- Registry record
- Last updated September 2012
- NPI
- 1639216179 (national provider registry)
A listing isn’t a check of a license or board certification, and it doesn’t tell you whether a doctor is taking new patients or accepts your insurance. Call the practice. How we list doctorsChecking your insurance
Is this your listing?
If you’re this doctor or work at their practice, claim the listing to add details such as languages, a website and a booking link. It’s free, and it never changes where a doctor appears in our lists.
From CMS’s Doctors and Clinicians file (October 2026) and the national provider registry, NPPES (October 2026). Listings are free and in alphabetical order; we don’t rate or recommend doctors. How we list doctors