MR. BRUCE RAY HAMMER
NPI 1861828691
Contractor - Home Modifications in Delavan, WI

NPI Status: Active since September 25, 2013

Contact Information

4235 BEACH ST
DELAVAN, WI
ZIP 53115
Phone: (630) 330-3815
Fax: (800) 513-1494

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  • Individual
  • Male
  • Contractor
  • Home Modifications

About BRUCE HAMMER

This page provides the complete NPI Profile along with additional information for Bruce Hammer, a provider established in Delavan, Wisconsin with a medical specialization in Contractor, focusing in home modifications . The healthcare provider is registered in the NPI registry with number 1861828691 assigned on September 2013. The practitioner's primary taxonomy code is 171WH0202X with license number 13-00012412 (IL). The provider is registered as an individual and his NPI record was last updated 13 years ago.

NPI
1861828691
Provider Name
MR. BRUCE RAY HAMMER
Gender
Male
Entity Type
Individual
Location Address
4235 BEACH ST DELAVAN, WI 53115
Location Phone
(630) 330-3815
Location Fax
(800) 513-1494
Mailing Address
4235 BEACH ST DELAVAN, WI 53115
Mailing Phone
(630) 330-3815
Mailing Fax
(800) 513-1494
Is Sole Proprietor?
Yes
Enumeration Date
09-25-2013
Last Update Date
09-25-2013
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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

Contractor Home Modifications

Taxonomy Code
171WH0202X
Type
Other Service Providers
License No.
13-00012412
License State
IL
Taxonomy Description
A contractor who makes modifications to homes to accommodate a health condition.

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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 1861828691, we treat the final digit (1) 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 1).

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
6
Doubled → 12 → 1 + 2
Pos 4
1
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
2
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
6
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
1
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 6 → 12 → 3 8 → 16 → 7 8 → 16 → 7 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 2 + 1 + 1 + 6 + 2 + 1 + 6 + 6 + 1 + 8 + 24 = 69

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1861828691.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1861828691, enumerated as an "individual" on September 25, 2013.

The provider is located at 4235 BEACH ST DELAVAN, WI 53115 and the phone number is (630) 330-3815.

Contractor with taxonomy code 171WH0202X and a focus in Home Modifications.