Active NPI
Justin Joy, MD
- Nephrology Physician
- Teaneck, NJ
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Nephrology Physician
- License
- 25MA13050600
- Practice address
- 870 Palisade Ave Ste 202
Teaneck, NJ 07666-3445 - Phone
- (551) 996-9189
- Fax
- (201) 836-8042
- NPI assigned
- Apr 12, 2021
- 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 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | 330723 | NY | |
| Nephrology Physician | 207RN0300X | 25MA13050600 | NJ | Primary |
| Student in an Organized Health Care Education/Training Program | 390200000X |
Addresses
Primary practice location
870 Palisade Ave Ste 202
Teaneck, NJ 07666-3445
Mailing address
331 Newman Springs Rd Ste 220
Red Bank, NJ 07701-5792
Phone (732) 807-0877
Other practice location 1
20 Prospect Ave Ste 715
Hackensack, NJ 07601-1989
Phone (551) 996-9189
Other practice location 2
1 Metro Blvd Ste 2
Clifton, NJ 07014-0010
Phone (551) 996-9189
Other practice location 3
100 Community Dr Fl 2
Great Neck, NY 11021-5501
Phone (914) 798-8971
Other practice location 4
650 From Rd Ste 501
Paramus, NJ 07652-3517
Phone (551) 996-9189
Other practice location 5
301 Bridge Plz N
Fort Lee, NJ 07024-5059
Phone (551) 996-9189
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
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20260624002724 | NJ | Practitioner - Nephrology | 1951874643 | Reassigns benefits to 1 organization |
Care Compare profile
Medicare Care Compare- Specialty
- Nephrology
- Education
- Other, 2021
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
331 Newman Springs Rd
Red Bank, NJ 07701-5688
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 330723 | NY | MD | Internal Medicine Physician |
Organizations & group practices 1
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.
-
- Surgical Critical Care Physician
- Red Bank, NJ
- NPI 1215989249
NJ
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1618185600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1781136000000",
"number": "1033799317",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "331 NEWMAN SPRINGS RD STE 220",
"city": "RED BANK",
"state": "NJ",
"postal_code": "077015792",
"telephone_number": "732-807-0877",
"fax_number": "201-751-1680"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "870 PALISADE AVE STE 202",
"city": "TEANECK",
"state": "NJ",
"postal_code": "076663445",
"telephone_number": "551-996-9189",
"fax_number": "201-836-8042"
}
],
"practiceLocations": [
{
"address_1": "20 Prospect Ave Ste 715",
"address_purpose": "LOCATION",
"city": "Hackensack",
"state": "NJ",
"postal_code": "076011989",
"country_code": "US",
"telephone_number": "551-996-9189",
"fax_number": "201-836-8042",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1 Metro Blvd Ste 2",
"address_purpose": "LOCATION",
"city": "Clifton",
"state": "NJ",
"postal_code": "070140010",
"country_code": "US",
"telephone_number": "551-996-9189",
"fax_number": "201-836-8042",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "100 Community Dr Fl 2",
"address_purpose": "LOCATION",
"city": "Great Neck",
"state": "NY",
"postal_code": "110215501",
"country_code": "US",
"telephone_number": "914-798-8971",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "650 From Rd Ste 501",
"address_purpose": "LOCATION",
"city": "Paramus",
"state": "NJ",
"postal_code": "076523517",
"country_code": "US",
"telephone_number": "551-996-9189",
"fax_number": "201-836-8042",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "301 Bridge Plz N",
"address_purpose": "LOCATION",
"city": "Fort Lee",
"state": "NJ",
"postal_code": "070245059",
"country_code": "US",
"telephone_number": "551-996-9189",
"fax_number": "210-836-8042",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "JOY",
"first_name": "JUSTIN",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2021-04-12",
"last_updated": "2026-06-11",
"certification_date": "2026-06-11",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "NY",
"license": "330723",
"primary": false
},
{
"code": "207RN0300X",
"taxonomy_group": "",
"desc": "Internal Medicine, Nephrology",
"state": "NJ",
"license": "25MA13050600",
"primary": true
},
{
"code": "390200000X",
"taxonomy_group": "",
"desc": "Student in an Organized Health Care Education/Training Program",
"state": null,
"license": null,
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Teaneck, NJ
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 11, 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.