CASE DENTAL LLC DBA HULSE DENTAL
NPI 1841155439
Dentist - General Practice in Onalaska, WI

NPI Status: Active since December 17, 2025

Contact Information

1840 E MAIN ST
ONALASKA, WI
ZIP 54650
Phone: (608) 783-1306
Fax: (608) 783-2874

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  • Organization
  • Dentist
  • General Practice

About CASE DENTAL LLC DBA HULSE DENTAL

This page provides the complete NPI Profile along with additional information for Case Dental Llc Dba Hulse Dental, a provider established in Onalaska, Wisconsin operating as a Dentist, focusing in general practice . The healthcare provider is registered in the NPI registry with number 1841155439 assigned on December 2025. The practitioner's primary taxonomy code is 1223G0001X. The provider is registered as an organization and their NPI record was last updated December 2025. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Jane Guggenbuehl (Office Manager)

NPI
1841155439
Provider Name
CASE DENTAL LLC DBA HULSE DENTAL
Entity Type
Organization
Location Address
1840 E MAIN ST ONALASKA, WI 54650
Location Phone
(608) 783-1306
Location Fax
(608) 783-2874
Mailing Address
1840 E MAIN ST ONALASKA, WI 54650
Mailing Phone
(608) 783-1306
Mailing Fax
(608) 783-2874
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
12-17-2025
Last Update Date
12-17-2025
Code Navigator

A dentist like Case Dental Llc Dba Hulse Dental is a skilled in and licensed provider that diagnoses and treats problems with patients teeth, gums, and related parts of the mouth. Dentists educate patients on how to take care of the teeth and gums and provide information on diet choices that affect oral health. Dentists must be licensed in the state in which they work.

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

Dentist General Practice

Taxonomy Code
1223G0001X
Type
Dental Providers
Taxonomy Description
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

JANE GUGGENBUEHL

Authorized Official Title
OFFICE MANAGER
Authorized Official Phone
(608) 783-1306

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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 1841155439, 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.

Pos 1
1
Doubled → 2
Pos 2
8
Unchanged
Pos 3
4
Doubled → 8
Pos 4
1
Unchanged
Pos 5
1
Doubled → 2
Pos 6
5
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
4
Unchanged
Pos 9
3
Doubled → 6
Check
9
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 4 → 8 1 → 2 5 → 10 → 1 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 8 + 1 + 2 + 5 + 1 + 0 + 4 + 6 + 24 = 61

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.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1841155439.

Other Providers at the Same Location


The following 4 providers are registered at the same or a nearby location.

Chiropractor
1840 E MAIN ST
ONALASKA, WI 54650
Hearing Instrument Specialist
1840 E MAIN ST
ONALASKA, WI 54650
Dentist
1840 E MAIN ST
ONALASKA, WI 54650
Dentist (General Practice)
1840 E MAIN ST
ONALASKA, WI 54650

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1841155439, enumerated as an "organization" on December 17, 2025.

The provider is located at 1840 E MAIN ST ONALASKA, WI 54650 and the phone number is (608) 783-1306.

Dentist with taxonomy code 1223G0001X and a focus in General Practice.