Althea Marie Fernandez Diaz, MD
Althea Marie Fernandez Diaz, MD is an Allergy/Immunology in Brewster, New York. Graduated from New York Medical College in 2019, 7 years ago. Practices with Optum Medical Care PC, a 1,018-clinician group and accepts Medicare assignment. Licensed in New York.
- Years since qualifying
- 7
- Trained at
- New York Medical College
- Licensed in
- NY
- In the registry since
- 2019
- Specialties on file
- 2
What do these letters mean?
- MD — Doctor of Medicine
- A physician who completed allopathic medical school.
Practice location Address checks out
185 Ny 312 Southeast Executive ParkBrewster, NY 10509
Phone: (845) 278-7000
Show map & directions
Directions in Google Maps · Apple Maps · OpenStreetMap
Pin is approximate — placed at the ZIP-code centre, not the exact door.
Specialties & licences
| Allergy & Immunology Physician (primary) | Taxonomy 207K00000X · Licence 316128 (NY) |
|---|---|
| Internal Medicine Physician | Taxonomy 207R00000X · Licence 316128 (NY) |
Record details
| NPI number | 1649838640 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Female |
| Credentials | MD |
| Sole proprietor | No |
| NPI enumerated | June 4, 2019 |
| Last updated in NPPES | April 14, 2026 |
| Certification date | April 14, 2026 |
Medicare enrollment
| Medicare specialty | ALLERGY/IMMUNOLOGY |
|---|---|
| Medical school | NEW YORK MEDICAL COLLEGE |
| Graduated | 2019 (7 years in practice) |
| Group practice | Optum Medical Care Pc — 1018 clinicians |
| Accepts Medicare assignment | Yes — accepts the Medicare-approved amount |