Active NPI
Oscar Diaz, DO
- Internal Medicine Physician
- Hialeah, FL
National Provider Identifier
1245027259
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- OS24255
- Practice address
- 2001 W 68TH St
Hialeah, FL 33016-1801 - Phone
- (305) 322-4750
- NPI assigned
- Apr 23, 2025
- Sex
- Male
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Student in an Organized Health Care Education/Training Program | 390200000X | FL | ||
| Internal Medicine Physician | 207R00000X | OS24255 | FL | Primary |
Addresses
Primary practice location
2001 W 68TH St
Hialeah, FL 33016-1801
Mailing address
3381 SW 130TH Ave
Miami, FL 33175-2721
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
- Credentials
- Doctor of Osteopathy
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1745366400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1788912000000",
"number": "1245027259",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "3381 SW 130TH AVE",
"city": "MIAMI",
"state": "FL",
"postal_code": "331752721"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2001 W 68TH ST",
"city": "HIALEAH",
"state": "FL",
"postal_code": "330161801",
"telephone_number": "305-322-4750"
}
],
"practiceLocations": [],
"basic": {
"last_name": "DIAZ",
"first_name": "OSCAR",
"name_prefix": "Dr.",
"credential": "DO",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2025-04-23",
"last_updated": "2026-09-09",
"certification_date": "2026-09-09",
"status": "A"
},
"taxonomies": [
{
"code": "390200000X",
"taxonomy_group": "",
"desc": "Student in an Organized Health Care Education/Training Program",
"state": "FL",
"license": null,
"primary": false
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "FL",
"license": "OS24255",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Hialeah, FL
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 9, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.