BARBARA A KARCZESKI MS, LCGC
NPI 1598699704
Genetic Counselor, MS in Perry Hall, MD
NPI Status: Active since June 11, 2026
Contact Information
14 CAPLAND CT
PERRY HALL, MD
ZIP 21128
Phone: (443) 928-0147
This NPI profile has been added to the NPI registry within the last 30 days.
- Individual
- Female
- Genetic Counselor, MS
About BARBARA KARCZESKI
This page provides the complete NPI Profile along with additional information for Barbara Karczeski, a provider established in Perry Hall, Maryland with a medical specialization in Genetic Counselor, Ms. The healthcare provider is registered in the NPI registry with number 1598699704 assigned on June 2026. The practitioner's primary taxonomy code is 170300000X with license number G0000002 (MD). The provider is registered as an individual and her NPI record was last updated June 2026.
- NPI
- 1598699704
- Provider Name
- BARBARA A KARCZESKI MS, LCGC
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 14 CAPLAND CT PERRY HALL, MD 21128
- Location Phone
- (443) 928-0147
- Mailing Address
- 14 CAPLAND CT PERRY HALL, MD 21128
- Mailing Phone
- (443) 928-0147
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 06-11-2026
- Last Update Date
- 06-11-2026
- 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
Genetic Counselor, MS
- Taxonomy Code
- 170300000X
- Type
- Other Service Providers
- License No.
- G0000002
- License State
- MD
- Taxonomy Description
- A masters trained health care provider who collects and interprets genetic family histories; assesses the risk of disease occurrence or recurrence; identifies interventions to manage or ameliorate disease risk; educates about inheritance, testing, management, prevention, ethical issues, resources, and research; and counsels to promote informed choices and adaptation. Certification was established in 1993 by the American Board of Genetic Counseling and prior to that by the American Board of Medical Genetics. Requirements for experience, licensure, and job responsibilities vary among the states.
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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 1598699704, we treat the final digit (4) 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 76. The final step is to find the difference between that total and the next multiple of ten (80 - 76 = 4).
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 76 is 80. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1598699704, enumerated as an "individual" on June 11, 2026.
The provider is located at 14 CAPLAND CT PERRY HALL, MD 21128 and the phone number is (443) 928-0147.
Genetic Counselor, MS with taxonomy code 170300000X.
