DR. JACK DIRNBERGER MD
NPI 1861386559
Radiology - Diagnostic Radiology in Fargo, ND
NPI Status: Active since June 06, 2025
Contact Information
5225 23RD AVE S
FARGO, ND
ZIP 58104
Phone: (701) 234-5933
Some details in this NPI profile have been updated in the NPI registry within the last 30 days.
- Individual
- Male
- Radiology
- Diagnostic Radiology
About JACK DIRNBERGER
This page provides the complete NPI Profile along with additional information for Jack Dirnberger, a provider established in Fargo, North Dakota with a medical specialization in Radiology, focusing in diagnostic radiology . The healthcare provider is registered in the NPI registry with number 1861386559 assigned on June 2025. The practitioner's primary taxonomy code is 2085R0202X with license number 2026025629 (MO). The provider is registered as an individual and his NPI record was last updated June 2026.
- NPI
- 1861386559
- Provider Name
- DR. JACK DIRNBERGER MD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 5225 23RD AVE S FARGO, ND 58104
- Location Phone
- (701) 234-5933
- Mailing Address
- 5225 23RD AVE S FARGO, ND 58104
- Mailing Phone
- (701) 234-5933
- Is Sole Proprietor?
- No
- Enumeration Date
- 06-06-2025
- Last Update Date
- 06-09-2026
- 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
Radiology Diagnostic Radiology
- Taxonomy Code
- 2085R0202X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 2026025629
- License State
- MO
- Taxonomy Description
- A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
Secondary Taxonomies
The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.
| No. | Taxonomy Code | Type | Classification / Specialization |
License No. (State) |
|---|---|---|---|---|
| 1 | 390200000X | Student, Health Care | Student in an Organized Health Care Education/Training Program | 22595 (ND) |
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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 1861386559, 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.
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 61 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
FARGO, ND 58104
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1861386559, enumerated as an "individual" on June 06, 2025.
The provider is located at 5225 23RD AVE S FARGO, ND 58104 and the phone number is (701) 234-5933.
Radiology with taxonomy code 2085R0202X and a focus in Diagnostic Radiology.
