CARLA MARY HAPPEL CNMT
NPI 1295653806
Radiologic Technologist - Nuclear Medicine Technology in Madison, WI

NPI Status: Active since July 09, 2026

Contact Information

2500 OVERLOOK TER
MADISON, WI
ZIP 53705
Phone: (608) 256-1901
Fax: (608) 280-7242

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  • Individual
  • Female
  • Radiologic Technologist
  • Nuclear Medicine Technology

About CARLA HAPPEL

This page provides the complete NPI Profile along with additional information for Carla Happel, a provider established in Madison, Wisconsin with a medical specialization in Radiologic Technologist, focusing in nuclear medicine technology . The healthcare provider is registered in the NPI registry with number 1295653806 assigned on July 2026. The practitioner's primary taxonomy code is 2471N0900X. The provider is registered as an individual and her NPI record was last updated July 2026.

NPI
1295653806
Provider Name
CARLA MARY HAPPEL CNMT
Gender
Female
Entity Type
Individual
Location Address
2500 OVERLOOK TER MADISON, WI 53705
Location Phone
(608) 256-1901
Location Fax
(608) 280-7242
Mailing Address
2500 OVERLOOK TER CARDIOLOGY SERVICE 111C MADISON, WI 53705
Mailing Phone
(608) 256-1901
Mailing Fax
(608) 280-7242
Is Sole Proprietor?
No
Enumeration Date
07-09-2026
Last Update Date
07-09-2026
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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

Radiologic Technologist Nuclear Medicine Technology

Taxonomy Code
2471N0900X
Type
Technologists, Technicians & Other Technical Service Providers
Taxonomy Description
A radiologic technologist who specializes in nuclear medicine technology and is appropriately educated and trained, consistent with nationally recognized standards, state statute, and facility policy in performance of nuclear medicine imaging, administration of radiopharmaceuticals to patients, exam techniques, equipment protocols, radiation safety, and patient care.

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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 1295653806, we treat the final digit (6) 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).

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
2
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
5
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
5
Unchanged
Pos 7
3
Doubled → 6
Pos 8
8
Unchanged
Pos 9
0
Doubled → 0
Check
6
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 9 → 18 → 9 6 → 12 → 3 3 → 6 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 8 + 5 + 1 + 2 + 5 + 6 + 8 + 0 + 24 = 64

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

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1295653806.

Other Providers at the Same Location


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Nurse Practitioner (Family)
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Internal Medicine
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Nurse Practitioner (Primary Care)
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Internal Medicine
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Nurse Practitioner (Family)
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Nurse Practitioner (Adult Health)
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Nurse Practitioner (Adult Health)
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Nurse Practitioner (Family)
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Radiology (Diagnostic Radiology)
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Dentist (General Practice)
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Social Worker (Clinical)
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Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1295653806, enumerated as an "individual" on July 09, 2026.

The provider is located at 2500 OVERLOOK TER MADISON, WI 53705 and the phone number is (608) 256-1901.

Radiologic Technologist with taxonomy code 2471N0900X and a focus in Nuclear Medicine Technology.