DR. KATELIN MAUREEN WITZKE PSY.D.
NPI 1407772130
Psychologist - Forensic in Catonsville, MD
NPI Status: Active since June 26, 2026
Contact Information
2 ISLAND RUN CT
CATONSVILLE, MD
ZIP 21228
Phone: (570) 856-5343
This NPI profile has been added to the NPI registry within the last 30 days.
- Individual
- Female
- Psychologist
- Forensic
About KATELIN WITZKE
This page provides the complete NPI Profile along with additional information for Katelin Witzke, a provider established in Catonsville, Maryland with a medical specialization in Psychologist, focusing in forensic . The healthcare provider is registered in the NPI registry with number 1407772130 assigned on June 2026. The practitioner's primary taxonomy code is 103TF0200X with license number 06393 (MD). The provider is registered as an individual and her NPI record was last updated June 2026.
- NPI
- 1407772130
- Provider Name
- DR. KATELIN MAUREEN WITZKE PSY.D.
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 2 ISLAND RUN CT CATONSVILLE, MD 21228
- Location Phone
- (570) 856-5343
- Mailing Address
- 2 ISLAND RUN CT CATONSVILLE, MD 21228
- Mailing Phone
- (570) 856-5343
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 06-26-2026
- Last Update Date
- 06-26-2026
Location Map
Secondary Locations
- 6655 Sykesville Rd
Sykesville, MD 21784
(410) 970-7106
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
- License No.
- 06393
- License State
- MD
- Taxonomy Description
- A psychologist whose specialty is characterized by activities primarily intended to provide professional psychological expertise within the judicial and legal systems.
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 | 06393 (MD) |
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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 1407772130, we treat the final digit (0) 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 0).
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 60 is 60. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1407772130, enumerated as an "individual" on June 26, 2026.
The provider is located at 2 ISLAND RUN CT CATONSVILLE, MD 21228 and the phone number is (570) 856-5343.
Psychologist with taxonomy code 103TF0200X and a focus in Forensic.
