Active NPI
Luis Diaz, MD
- Internal Medicine Physician
- Fair Lawn, NJ
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- 25MA12831900
- Practice address
- 14-01 Broadway Ste B
Fair Lawn, NJ 07410-2001 - Phone
- (201) 791-4544
- NPI assigned
- Jan 20, 2019
- Sex
- Male
- 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 |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | 25MA12831900 | NJ | Primary |
| Internal Medicine Physician | 207R00000X | P12405 | NY |
Addresses
Primary practice location
14-01 Broadway Ste B
Fair Lawn, NJ 07410-2001
Mailing address
680 Kinderkamack Rd Ste 300
Oradell, NJ 07649-1600
Phone (305) 781-9994
Other practice location 1
7721 66th Dr
Middle Village, NY 11379-2620
Phone (305) 781-9994
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in NJ
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Internal Medicine
- Education
- Other, 2013
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
14 -01 Broadway
Suite B
Fair Lawn, NJ 07410-2008
Phone (201) 855-8455
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 25MA12831900 | NJ | MD | Internal Medicine Physician |
| P12405 | NY | MD | Internal Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Sovereign Medical Group LLC | Internal Medicine | Current | Accepting new patients |
| Bonleven Healthcare | Current | Accepting new patients | |
| Sovereign Medical Group, LLC | Current | Accepting new patients |
Locations
1401 Broadway
Ste 3
Fair Lawn, NJ 07410
Phone (201) 279-6340
255 W Spring Valley Ave
Ste 102
Maywood, NJ 07607
Phone (201) 279-6340
680 Kinderkamack Rd
Ste 300
Oradell, NJ 07649
Phone (201) 881-7869
Organizations & group practices 3
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Clinical Neurophysiology Physician
- Maywood, NJ
- NPI 1215817937
-
- Durable Medical Equipment & Medical Supplies
- Glen Rock, NJ
- NPI 1801266275
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1547942400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1762732800000",
"number": "1861966178",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "680 KINDERKAMACK RD STE 300",
"city": "ORADELL",
"state": "NJ",
"postal_code": "076491600",
"telephone_number": "305-781-9994"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "14-01 BROADWAY STE B",
"city": "FAIR LAWN",
"state": "NJ",
"postal_code": "074102001",
"telephone_number": "201-791-4544"
}
],
"practiceLocations": [
{
"address_1": "7721 66th Dr",
"address_purpose": "LOCATION",
"city": "Middle Village",
"state": "NY",
"postal_code": "113792620",
"country_code": "US",
"telephone_number": "305-781-9994",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "DIAZ",
"first_name": "LUIS",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2019-01-20",
"last_updated": "2025-11-10",
"certification_date": "2025-11-10",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "NJ",
"license": "25MA12831900",
"primary": true
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "NY",
"license": "P12405",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Fair Lawn, NJ
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 10, 2025; 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.