MR. GREGORY ISAIAH GRANT JR.
NPI 1023966629
Residential Treatment Facility, Intellectual and/or Developmental Disabilities in Richmond, VA
NPI Status: Active since March 19, 2026
Contact Information
1403 W LEIGH ST
RICHMOND, VA
ZIP 23220
Phone: (804) 683-0161
- Individual
- Male
- Residential Treatment Facility, Intellec...
About GREGORY GRANT
This page provides the complete NPI Profile along with additional information for Gregory Grant, a provider established in Richmond, Virginia with a medical specialization in Residential Treatment Facility, Intellectual And/or Developmental Disabilities. The healthcare provider is registered in the NPI registry with number 1023966629 assigned on March 2026. The practitioner's primary taxonomy code is 320600000X. The provider is registered as an individual and his NPI record was last updated March 2026.
- NPI
- 1023966629
- Provider Name
- MR. GREGORY ISAIAH GRANT JR.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 1403 W LEIGH ST RICHMOND, VA 23220
- Location Phone
- (804) 683-0161
- Mailing Address
- 505 TARPLEY RD RICHMOND, VA 23225
- Mailing Phone
- (804) 683-0161
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 03-19-2026
- Last Update Date
- 03-19-2026
- Code Navigator
Location Map
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
Residential Treatment Facility, Intellectual and/or Developmental Disabilities
- Taxonomy Code
- 320600000X
- Type
- Residential Treatment Facilities
- License State
- VA
- Taxonomy Description
- A residential facility that provides habilitation services and other care and treatment to adults or children diagnosed with developmental and intellectual disabilities and are not able to live independently.
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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 1023966629, we treat the final digit (9) 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).
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 61 is 70. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1023966629, enumerated as an "individual" on March 19, 2026.
The provider is located at 1403 W LEIGH ST RICHMOND, VA 23220 and the phone number is (804) 683-0161.
Residential Treatment Facility, Intellectual and/or Developmental Disabilities with taxonomy code 320600000X.
