TAZVIONA CLAUDIUS CHIMBINYU
NPI 1821941667
Technician, Other - Renal Dialysis in Boston, MA

NPI Status: Active since February 19, 2026

Contact Information

888 COMMONWEALTH AVE
BOSTON, MA
ZIP 02215
Phone: (617) 739-3000

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  • Individual
  • Male
  • Technician, Other
  • Renal Dialysis

About TAZVIONA CHIMBINYU

This page provides the complete NPI Profile along with additional information for Tazviona Chimbinyu, a provider established in Boston, Massachusetts with a medical specialization in Technician, Other, focusing in renal dialysis . The healthcare provider is registered in the NPI registry with number 1821941667 assigned on February 2026. The practitioner's primary taxonomy code is 2472R0900X. The provider is registered as an individual and his NPI record was last updated February 2026.

NPI
1821941667
Provider Name
TAZVIONA CLAUDIUS CHIMBINYU
Gender
Male
Entity Type
Individual
Location Address
888 COMMONWEALTH AVE BOSTON, MA 02215
Location Phone
(617) 739-3000
Mailing Address
26 HOOPER ST APT 1 WORCESTER, MA 01605
Mailing Phone
(508) 963-9549
Is Sole Proprietor?
No
Enumeration Date
02-19-2026
Last Update Date
02-19-2026
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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

Technician, Other Renal Dialysis

Taxonomy Code
2472R0900X
Type
Technologists, Technicians & Other Technical Service Providers
License State
MA

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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 1821941667, 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.

Pos 1
1
Doubled → 2
Pos 2
8
Unchanged
Pos 3
2
Doubled → 4
Pos 4
1
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
4
Unchanged
Pos 7
1
Doubled → 2
Pos 8
6
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
7
Target digit
Regular digit Doubled digit Check digit

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.

1 → 2 2 → 4 9 → 18 → 9 1 → 2 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 8 + 4 + 1 + 1 + 8 + 4 + 2 + 6 + 1 + 2 + 24 = 63

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.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1821941667.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Internal Medicine
888 COMMONWEALTH AVE
BOSTON, MA 02215
Clinic/Center (End-Stage Renal Disease (ESRD) Treatment)
888 COMMONWEALTH AVE
BOSTON, MA 02215

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1821941667, enumerated as an "individual" on February 19, 2026.

The provider is located at 888 COMMONWEALTH AVE BOSTON, MA 02215 and the phone number is (617) 739-3000.

Technician, Other with taxonomy code 2472R0900X and a focus in Renal Dialysis.