Active NPI
Antoine Anh Toan Nguyen, DO
- Internal Medicine Physician
- Brooklyn, NY
National Provider Identifier
1922739739
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- 343303
- Practice address
- 300 Cadman PLZ W FL 18
Brooklyn, NY 11201-3226 - Phone
- (929) 210-6000
- Fax
- (929) 210-6001
- NPI assigned
- Jun 22, 2022
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | 343303 | NY | Primary |
Addresses
Primary practice location
300 Cadman PLZ W FL 18
Brooklyn, NY 11201-3226
Mailing address
300 Cadman PLZ W FL 18
Brooklyn, NY 11201-3226
Phone (929) 210-6000
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Care Compare profile
Medicare Care Compare- Specialty
- Internal Medicine
- Education
- Other, 2022
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
- Icahn School of Medicine at Mount Sinai
Practice addresses (Care Compare)
300 Cadman Plaza W
Brooklyn, NY 11201-3229
Phone (929) 210-6000
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Osteopathy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 343303 | NY | MD | Internal Medicine Physician |
Interoperability endpoints
- antoine.nguyen.1@27758.direct.athenahealth.com
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1655856000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1775520000000",
"number": "1922739739",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "300 CADMAN PLZ W FL 18",
"city": "BROOKLYN",
"state": "NY",
"postal_code": "112013226",
"telephone_number": "929-210-6000",
"fax_number": "929-210-6101"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "300 CADMAN PLZ W FL 18",
"city": "BROOKLYN",
"state": "NY",
"postal_code": "112013226",
"telephone_number": "929-210-6000",
"fax_number": "929-210-6001"
}
],
"practiceLocations": [],
"basic": {
"last_name": "NGUYEN",
"first_name": "ANTOINE",
"middle_name": "ANH TOAN",
"name_prefix": "Dr.",
"credential": "DO",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2022-06-22",
"last_updated": "2026-04-07",
"certification_date": "2026-04-07",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "NY",
"license": "343303",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Brooklyn, NY
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 7, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.