DR. WENDY J BISS PH.D.
NPI 1043404643
Psychologist - Counseling in Branford, CT

NPI Status: Active since August 28, 2007

Contact Information

34 HOWARD AVE
BRANFORD, CT
ZIP 06405
Phone: (205) 235-0558

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  • Individual
  • Female
  • Psychologist
  • Counseling

About WENDY BISS

This page provides the complete NPI Profile along with additional information for Wendy Biss, a provider established in Branford, Connecticut with a medical specialization in Psychologist, focusing in counseling . The healthcare provider is registered in the NPI registry with number 1043404643 assigned on August 2007. The practitioner's primary taxonomy code is 103TC1900X. The provider is registered as an individual and her NPI record was last updated June 2026.

NPI
1043404643
Provider Name
DR. WENDY J BISS PH.D.
Other Name
WENDY J WONCH PHD
Other Name Type
Former Name (1)
Gender
Female
Entity Type
Individual
Location Address
34 HOWARD AVE BRANFORD, CT 06405
Location Phone
(205) 235-0558
Mailing Address
1500 N GRANT ST # 6717 DENVER, CO 80203
Mailing Phone
(808) 747-6120
Is Sole Proprietor?
No
Enumeration Date
08-28-2007
Last Update Date
06-18-2026
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Location Map

Secondary Locations

  • 1500 N Grant St # 6717
    Denver, CO 80203
    (808) 747-6120

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 Counseling

Taxonomy Code
103TC1900X
Type
Behavioral Health & Social Service Providers
Taxonomy Description
A psychologist who specializes in general practice and health service. It focuses on how people function both personally and in their relationships at all ages. Counseling psychology addresses the emotional, social, work, school and physical health concerns people may have at different stages in their lives, focusing on typical life stresses and more severe issues with which people may struggle as individuals and as a part of families, groups and organizations. Counseling psychologists help people with physical, emotional and mental health issues improve their sense of well-being, alleviate feelings of distress and resolve crises. They also provide assessment, diagnosis, and treatment of more severe psychological symptoms.

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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 1043404643, 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 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.

Pos 1
1
Doubled → 2
Pos 2
0
Unchanged
Pos 3
4
Doubled → 8
Pos 4
3
Unchanged
Pos 5
4
Doubled → 8
Pos 6
0
Unchanged
Pos 7
4
Doubled → 8
Pos 8
6
Unchanged
Pos 9
4
Doubled → 8
Check
3
Target digit
Regular digit Doubled digit Check digit

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.

1 → 2 4 → 8 4 → 8 4 → 8 4 → 8

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 0 + 8 + 3 + 8 + 0 + 8 + 6 + 8 + 24 = 67

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1043404643.

Other Providers at the Same Location


The following 4 providers are registered at the same or a nearby location.

Psychiatry & Neurology (Psychiatry)
34 HOWARD AVE
BRANFORD, CT 06405
Clinic/Center (Adult Mental Health)
34 HOWARD AVE
BRANFORD, CT 06405
Counselor (Mental Health)
34 HOWARD AVE
BRANFORD, CT 06405
Psychologist
34 HOWARD AVE
BRANFORD, CT 06405

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1043404643, enumerated as an "individual" on August 28, 2007.

The provider is located at 34 HOWARD AVE BRANFORD, CT 06405 and the phone number is (205) 235-0558.

Psychologist with taxonomy code 103TC1900X and a focus in Counseling.