KATHRYN ANN BYRNE
NPI 1609715895
Counselor in Nashua, NH
NPI Status: Active since March 25, 2026
Contact Information
615 AMHERST ST
NASHUA, NH
ZIP 03063
Phone: (603) 882-3616
Fax: (603) 598-3644
- Individual
- Female
- Counselor
About KATHRYN BYRNE
This page provides the complete NPI Profile along with additional information for Kathryn Byrne, a provider established in Nashua, New Hampshire with a medical specialization in Counselor. The healthcare provider is registered in the NPI registry with number 1609715895 assigned on March 2026. The practitioner's primary taxonomy code is 101Y00000X. The provider is registered as an individual and her NPI record was last updated March 2026.
- NPI
- 1609715895
- Provider Name
- KATHRYN ANN BYRNE
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 615 AMHERST ST NASHUA, NH 03063
- Location Phone
- (603) 882-3616
- Location Fax
- (603) 598-3644
- Mailing Address
- 77 NORTHEASTERN BLVD NASHUA, NH 03062
- Mailing Phone
- (603) 882-3616
- Mailing Fax
- (603) 598-3644
- Is Sole Proprietor?
- No
- Enumeration Date
- 03-25-2026
- Last Update Date
- 03-25-2026
- 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
Counselor
- Taxonomy Code
- 101Y00000X
- Type
- Behavioral Health & Social Service Providers
- Taxonomy Description
- A provider who is trained and educated in the performance of behavior health services through interpersonal communications and analysis. Training and education at the specialty level usually requires a master's degree and clinical experience and supervision for licensure or certification.
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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 1609715895, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).
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 65 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 6 providers are registered at the same or a nearby location.
NASHUA, NH 03063
NASHUA, NH 03063
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1609715895, enumerated as an "individual" on March 25, 2026.
The provider is located at 615 AMHERST ST NASHUA, NH 03063 and the phone number is (603) 882-3616.
Counselor with taxonomy code 101Y00000X.
