Active NPI
Deema Sawass Najjar, M.D.
- Neurology Physician
- Brooklyn, NY
National Provider Identifier
1881216166
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Neurology Physician
- License
- A196195
- Practice address
- 450 Clarkson Avenue
Neurology Department Suny Downstate
Brooklyn, NY 11203-2012 - Phone
- (718) 270-4232
- NPI assigned
- May 10, 2020
- Sex
- Female
- Sole proprietor
- No
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 |
|---|---|---|---|---|
| Neurocritical Care Physician | 2084A2900X | A196195 | CA | |
| Neurology Physician | 2084N0400X | A196195 | CA | Primary |
Addresses
Primary practice location
450 Clarkson Avenue
Neurology Department Suny Downstate
Brooklyn, NY 11203-2012
Mailing address
450 Clarkson Avenue
Neurology Department Suny Downstate
Brooklyn, NY 11203-2012
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 Medicine
Interoperability endpoints
- deema.sawassnajjar.p1@direct.mmc.nextgenshare.com
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1589068800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1788912000000",
"number": "1881216166",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "450 CLARKSON AVENUE",
"address_2": "NEUROLOGY DEPARTMENT SUNY DOWNSTATE",
"city": "BROOKLYN",
"state": "NY",
"postal_code": "112032012"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "450 CLARKSON AVENUE",
"address_2": "NEUROLOGY DEPARTMENT SUNY DOWNSTATE",
"city": "BROOKLYN",
"state": "NY",
"postal_code": "112032012",
"telephone_number": "718-270-4232"
}
],
"practiceLocations": [],
"basic": {
"last_name": "SAWASS NAJJAR",
"first_name": "DEEMA",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2020-05-10",
"last_updated": "2026-09-09",
"certification_date": "2026-09-09",
"status": "A"
},
"taxonomies": [
{
"code": "2084A2900X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Neurocritical Care",
"state": "CA",
"license": "A196195",
"primary": false
},
{
"code": "2084N0400X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Neurology",
"state": "CA",
"license": "A196195",
"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 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.