405 RIVER STREET OPERATING COMPANY, LLC
NPI 1609733757
Skilled Nursing Facility in Mattapan, MA
NPI Status: Active since January 08, 2026
Contact Information
405 RIVER ST
MATTAPAN, MA
ZIP 02126
Phone: (617) 296-5585
- Organization
- Skilled Nursing Facility
About 405 RIVER STREET OPERATING COMPANY, LLC
This page provides the complete NPI Profile along with additional information for 405 River Street Operating Company, Llc, a provider established in Mattapan, Massachusetts operating as a Skilled Nursing Facility. The healthcare provider is registered in the NPI registry with number 1609733757 assigned on January 2026. The practitioner's primary taxonomy code is 314000000X. The provider is registered as an organization and their NPI record was last updated April 2026. The authorized official of this NPI record is Jeffrey Rubin (Authorized Official)
- NPI
- 1609733757
- Provider Name
- 405 RIVER STREET OPERATING COMPANY, LLC
- Entity Type
- Organization
- Location Address
- 405 RIVER ST MATTAPAN, MA 02126
- Location Phone
- (617) 296-5585
- Mailing Address
- 405 RIVER ST MATTAPAN, MA 02126
- Mailing Phone
- (617) 296-5585
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 01-08-2026
- Last Update Date
- 04-15-2026
- 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
Skilled Nursing Facility
- Taxonomy Code
- 314000000X
- Type
- Nursing & Custodial Care Facilities
- Taxonomy Description
- (1) A skilled nursing facility is a facility or distinct part of an institution whose primary function is to provide medical, continuous nursing, and other health and social services to patients who are not in an acute phase of illness requiring services in a hospital, but who require primary restorative or skilled nursing services on an inpatient basis above the level of intermediate or custodial care in order to reach a degree of body functioning to permit self care in essential daily living. It meets any licensing or certification standards et forth by the jurisdiction where it is located. A skilled nursing facility may be a freestanding facility or part of a hospital that has been certified by Medicare to admit patients requiring subacute care and rehabilitation; (2) Provides non-acute medical and skilled nursing care services, therapy and social services under the supervision of a licensed registered nurse on a 24-hour basis.
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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 1609733757, 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.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1609733757, enumerated as an "organization" on January 08, 2026.
The provider is located at 405 RIVER ST MATTAPAN, MA 02126 and the phone number is (617) 296-5585.
Skilled Nursing Facility with taxonomy code 314000000X.
