Active NPI
Leen N Naji, MD
- Addiction Medicine (Family Medicine) Physician
- Phoenix, AZ
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Addiction Medicine (Family Medicine) Physician
- License
- 68989
- Practice address
- 500 W Thomas Rd Ste 500
Phoenix, AZ 85013-4220 - Phone
- (602) 406-4000
- Fax
- (602) 406-6498
- NPI assigned
- Jun 30, 2022
- 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 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Addiction Medicine (Family Medicine) Physician | 207QA0401X | 68989 | AZ | Primary |
| Family Medicine Physician | 207Q00000X | 68989 | AZ | |
| Family Medicine Physician | 207Q00000X | 314344 | NY |
Addresses
Primary practice location
500 W Thomas Rd Ste 500
Phoenix, AZ 85013-4220
Mailing address
500 W Thomas Rd Ste 500
Phoenix, AZ 85013-4220
Phone (602) 406-4000
Other practice location 1
2451 E Baseline Rd Ste 430
Gilbert, AZ 85234-2473
Phone (602) 313-4391
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in AZ
- 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
- Preventive Medicine
- Education
- Other, 2017
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1111 E McDowell Rd
Phoenix, AZ 85006-2612
Phone (602) 839-2000
Hospital & facility affiliations
- Banner - University Medical Center Phoenix
Merit-based Incentive Payment System (MIPS)
- Final score
- 88.53 of 100
- Quality
- 78.73
- Promoting interoperability
- 98
- Improvement activities
- 40
- Cost
- 62.46
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Cleanslate Medical Group of Arizona PLLC | Internal Medicine | Current | Accepting new patients |
| Cleanslate Medical Group of Arizona PLLC | Internal Medicine | Current | Accepting new patients |
| Total Wellness Centers, LLC | Past | Accepting new patients | |
| Cleanslate Medical Group of Arizona PLLC | Internal Medicine | Past | Accepting new patients |
Locations
2451 E Baseline Rd
Ste 430
Gilbert, AZ 85234
Phone (602) 313-4391
8410 W Thomas Rd
Ste 124
Phoenix, AZ 85037
Phone (480) 417-5289
15255 N 40th St
Ste 135
Phoenix, AZ 85032
Phone (480) 417-4215
59 Bobala Rd
Holyoke, MA 01040
Phone (413) 486-7819
Organizations & group practices 6
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.
-
- General Acute Care Hospital
- Phoenix, AZ
- NPI 1750751566
-
- Multi-Specialty Clinic/Center
- Phoenix, AZ
- NPI 1801421656
Internal Medicine
-
- Multi-Specialty Clinic/Center
- Phoenix, AZ
- NPI 1326098005
-
- Multi-Specialty Clinic/Center
- Gilbert, AZ
- NPI 1376178129
Internal Medicine
-
- Multi-Specialty Clinic/Center
- Phoenix, AZ
- NPI 1245865096
Internal Medicine
-
- Clinical Medical Laboratory
- Holyoke, MA
- NPI 1770020018
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Phoenix, AZ
- NPI 1841224870
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1656547200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1784073600000",
"number": "1952033698",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "500 W THOMAS RD STE 500",
"city": "PHOENIX",
"state": "AZ",
"postal_code": "850134220",
"telephone_number": "602-406-4000",
"fax_number": "602-406-6498"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "500 W THOMAS RD STE 500",
"city": "PHOENIX",
"state": "AZ",
"postal_code": "850134220",
"telephone_number": "602-406-4000",
"fax_number": "602-406-6498"
}
],
"practiceLocations": [
{
"address_1": "2451 E Baseline Rd Ste 430",
"address_purpose": "LOCATION",
"city": "Gilbert",
"state": "AZ",
"postal_code": "852342473",
"country_code": "US",
"telephone_number": "602-313-4391",
"fax_number": "480-699-4427",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "NAJI",
"first_name": "LEEN",
"middle_name": "N",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2022-06-30",
"last_updated": "2026-07-15",
"certification_date": "2026-07-15",
"status": "A"
},
"taxonomies": [
{
"code": "207QA0401X",
"taxonomy_group": "",
"desc": "Family Medicine, Addiction Medicine",
"state": "AZ",
"license": "68989",
"primary": true
},
{
"code": "207Q00000X",
"taxonomy_group": "",
"desc": "Family Medicine",
"state": "AZ",
"license": "68989",
"primary": false
},
{
"code": "207Q00000X",
"taxonomy_group": "",
"desc": "Family Medicine",
"state": "NY",
"license": "314344",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Phoenix, AZ
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 15, 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.