MATSEN GWYN HARTSOE PSYD
NPI 1144161019
Psychologist - Forensic in Winston Salem, NC
NPI Status: Active since April 03, 2026
Contact Information
1068 W 4TH ST
WINSTON SALEM, NC
ZIP 27101
Phone: (336) 283-6081
- Individual
- Male
- Psychologist
- Forensic
About MATSEN HARTSOE
This page provides the complete NPI Profile along with additional information for Matsen Hartsoe, a provider established in Winston Salem, North Carolina with a medical specialization in Psychologist, focusing in forensic . The healthcare provider is registered in the NPI registry with number 1144161019 assigned on April 2026. The practitioner's primary taxonomy code is 103TF0200X. The provider is registered as an individual and his NPI record was last updated April 2026. Matsen Hartsoe operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization.
- NPI
- 1144161019
- Provider Name
- MATSEN GWYN HARTSOE PSYD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 1068 W 4TH ST WINSTON SALEM, NC 27101
- Location Phone
- (336) 283-6081
- Mailing Address
- 4585 HENNINGS DR COLORADO SPRINGS, CO 80911
- Mailing Phone
- (336) 409-3916
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 04-03-2026
- Last Update Date
- 04-03-2026
- 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
Psychologist Forensic
- Taxonomy Code
- 103TF0200X
- Type
- Behavioral Health & Social Service Providers
- Taxonomy Description
- A psychologist whose specialty is characterized by activities primarily intended to provide professional psychological expertise within the judicial and legal systems.
Group Taxonomy 193200000X MULTI-SPECIALTY GROUP
This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.
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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 1144161019, 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 51. The final step is to find the difference between that total and the next multiple of ten (60 - 51 = 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 51 is 60. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1144161019, enumerated as an "individual" on April 03, 2026.
The provider is located at 1068 W 4TH ST WINSTON SALEM, NC 27101 and the phone number is (336) 283-6081.
Psychologist with taxonomy code 103TF0200X and a focus in Forensic.
