JUSTIN JOY MD
NPI 1033799317
Internal Medicine - Nephrology in Teaneck, NJ
NPI Status: Active since April 12, 2021
Contact Information
870 PALISADE AVE STE 202
TEANECK, NJ
ZIP 07666
Phone: (551) 996-9189
Fax: (201) 836-8042
Some details in this NPI profile have been updated in the NPI registry within the last 30 days.
- Individual
- Male
- Internal Medicine
- Nephrology
About JUSTIN JOY
This page provides the complete NPI Profile along with additional information for Justin Joy, an internist established in Teaneck, New Jersey with a medical specialization in Internal Medicine, focusing in nephrology . The healthcare provider is registered in the NPI registry with number 1033799317 assigned on April 2021. The practitioner's primary taxonomy code is 207RN0300X with license number 25MA13050600 (NJ). The provider is registered as an individual and his NPI record was last updated June 2026.
- NPI
- 1033799317
- Provider Name
- JUSTIN JOY MD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 870 PALISADE AVE STE 202 TEANECK, NJ 07666
- Location Phone
- (551) 996-9189
- Location Fax
- (201) 836-8042
- Mailing Address
- 331 NEWMAN SPRINGS RD STE 220 RED BANK, NJ 07701
- Mailing Phone
- (732) 807-0877
- Mailing Fax
- (201) 836-8042
- Is Sole Proprietor?
- No
- Enumeration Date
- 04-12-2021
- Last Update Date
- 06-11-2026
- Code Navigator
An internist like Justin Joy is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.
Location Map
Secondary Locations
- 301 Bridge Plz N
Fort Lee, NJ 07024
(551) 996-9189 - 650 From Rd Ste 501
Paramus, NJ 07652
(551) 996-9189 - 1 Metro Blvd Ste 2
Clifton, NJ 07014
(551) 996-9189 - 20 Prospect Ave Ste 715
Hackensack, NJ 07601
(551) 996-9189 - 100 Community Dr Fl 2
Great Neck, NY 11021
(914) 798-8971
Specialty - Primary Taxonomy
The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.
- Classification
Internal Medicine Nephrology
- Taxonomy Code
- 207RN0300X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 25MA13050600
- License State
- NJ
- Taxonomy Description
- An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
Secondary Taxonomies
The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.
| No. | Taxonomy Code | Type | Classification / Specialization |
License No. (State) |
|---|---|---|---|---|
| 1 | 207R00000X | Allopathic & Osteopathic Physicians | Internal Medicine | 330723 (NY) |
| 2 | 390200000X | Student, Health Care | Student in an Organized Health Care Education/Training Program |
Reviews for JUSTIN JOY MD
There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.
NPI NPI Number Validation
How NPI Validation Works
The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.
To verify the NPI 1033799317, we treat the final digit (7) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).
Digit-by-digit view
Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.
Step 1: Double every other digit from the right
Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 63 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 3 providers are registered at the same or a nearby location.
TEANECK, NJ 07666
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1033799317, enumerated as an "individual" on April 12, 2021.
The provider is located at 870 PALISADE AVE STE 202 TEANECK, NJ 07666 and the phone number is (551) 996-9189.
Internal Medicine with taxonomy code 207RN0300X and a focus in Nephrology.
