DR. GERALD THOMAS JORGENSEN PH.D.
NPI 1659431153
Psychologist - Cognitive & Behavioral in Dubuque, IA
NPI Status: Active since December 12, 2006
Contact Information
1229 MOUNT LORETTA AVE
DUBUQUE, IA
ZIP 52003
Phone: (563) 556-2580
Fax: (563) 556-5464
- Individual
- Male
- Psychologist
- Cognitive & Behavioral
About GERALD JORGENSEN
This page provides the complete NPI Profile along with additional information for Gerald Jorgensen, a provider established in Dubuque, Iowa with a medical specialization in Psychologist, focusing in cognitive & behavioral . The healthcare provider is registered in the NPI registry with number 1659431153 assigned on December 2006. The practitioner's primary taxonomy code is 103TB0200X with license number 00028 (IA). The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1659431153
- Provider Name
- DR. GERALD THOMAS JORGENSEN PH.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 1229 MOUNT LORETTA AVE DUBUQUE, IA 52003
- Location Phone
- (563) 556-2580
- Location Fax
- (563) 556-5464
- Mailing Address
- 1229 MOUNT LORETTA AVE DUBUQUE, IA 52003
- Mailing Phone
- (563) 556-2580
- Mailing Fax
- (563) 556-5464
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 12-12-2006
- Last Update Date
- 09-11-2025
- 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
Psychologist Cognitive & Behavioral
- Taxonomy Code
- 103TB0200X
- Type
- Behavioral Health & Social Service Providers
- License No.
- 00028
- License State
- IA
- Taxonomy Description
- A psychologist who reflects an experimental-clinical approach distinguished by use of principles of human learning and development and theories of cognitive processing to promote meaningful change in maladaptive human behavior and thinking.
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 | 103TC0700X | Behavioral Health & Social Service Providers | Psychologist | 00028 (IA) |
| 2 | 103TC1900X | Behavioral Health & Social Service Providers | Psychologist | 00028 (IA) |
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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 1659431153, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).
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 57 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 7 providers are registered at the same or a nearby location.
DUBUQUE, IA 52003
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1659431153, enumerated as an "individual" on December 12, 2006.
The provider is located at 1229 MOUNT LORETTA AVE DUBUQUE, IA 52003 and the phone number is (563) 556-2580.
Psychologist with taxonomy code 103TB0200X and a focus in Cognitive & Behavioral.
