KAREN LENNEA REXIUS
NPI 1902762941
Counselor - Mental Health in Sacramento, CA

NPI Status: Active since January 03, 2026

Contact Information

3820 AUBURN BLVD STE 100
SACRAMENTO, CA
ZIP 95821
Phone: (916) 300-6576

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  • Individual
  • Female
  • Counselor
  • Mental Health

About KAREN REXIUS

This page provides the complete NPI Profile along with additional information for Karen Rexius, a provider established in Sacramento, California with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1902762941 assigned on January 2026. The practitioner's primary taxonomy code is 101YM0800X. The provider is registered as an individual and her NPI record was last updated January 2026.

NPI
1902762941
Provider Name
KAREN LENNEA REXIUS
Other Name
KAREN LENNEA VAN HOUTEN
Other Name Type
Professional Name (2)
Gender
Female
Entity Type
Individual
Location Address
3820 AUBURN BLVD STE 100 SACRAMENTO, CA 95821
Location Phone
(916) 300-6576
Mailing Address
9330 ECKERMAN RD ROSEVILLE, CA 95661
Mailing Phone
(530) 681-1083
Is Sole Proprietor?
Yes
Enumeration Date
01-03-2026
Last Update Date
01-03-2026
Code Navigator

A mental health counselor like Karen Rexius provides treatment to individuals, families, couples, and groups for mental and emotional health issues and relationship problems. Mental health counselors treat clients with a variety of conditions, including anxiety, depression, grief, low self-esteem, stress, and suicidal impulses.

Location Map

Secondary Locations

  • 3336 Bradshaw Rd Ste 215
    Sacramento, CA 95827
    (916) 300-6576

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 Mental Health

Taxonomy Code
101YM0800X
Type
Behavioral Health & Social Service Providers
License State
CA

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)
1101Y00000XBehavioral Health & Social Service Providers

Counselor

 

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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 1902762941, we treat the final digit (1) 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 1).

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
9
Unchanged
Pos 3
0
Doubled → 0
Pos 4
2
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
6
Unchanged
Pos 7
2
Doubled → 4
Pos 8
9
Unchanged
Pos 9
4
Doubled → 8
Check
1
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 0 → 0 7 → 14 → 5 2 → 4 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 0 + 2 + 1 + 4 + 6 + 4 + 9 + 8 + 24 = 69

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

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1902762941.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Marriage & Family Therapist
3820 AUBURN BLVD STE 100
SACRAMENTO, CA 95821
Counselor (Mental Health)
3820 AUBURN BLVD STE 100
SACRAMENTO, CA 95821
Student in an Organized Health Care Education/Training Program
3820 AUBURN BLVD STE 100
SACRAMENTO, CA 95821
Psychologist (Counseling)
3820 AUBURN BLVD STE 100
SACRAMENTO, CA 95821
Counselor (Mental Health)
3820 AUBURN BLVD STE 100
SACRAMENTO, CA 95821
Marriage & Family Therapist
3820 AUBURN BLVD STE 100
SACRAMENTO, CA 95821
Counselor (Mental Health)
3820 AUBURN BLVD STE 100
SACRAMENTO, CA 95821
Counselor (Mental Health)
3820 AUBURN BLVD STE 100
SACRAMENTO, CA 95821
Marriage & Family Therapist
3820 AUBURN BLVD STE 100
SACRAMENTO, CA 95821
Counselor
3820 AUBURN BLVD STE 100
SACRAMENTO, CA 95821
Psychologist
3820 AUBURN BLVD STE 100
SACRAMENTO, CA 95821
Marriage & Family Therapist
3820 AUBURN BLVD STE 100
SACRAMENTO, CA 95821
Counselor (Mental Health)
3820 AUBURN BLVD STE 100
SACRAMENTO, CA 95821
Marriage & Family Therapist
3820 AUBURN BLVD STE 100
SACRAMENTO, CA 95821
Community/Behavioral Health
3820 AUBURN BLVD STE 100
SACRAMENTO, CA 95821
Marriage & Family Therapist
3820 AUBURN BLVD STE 100
SACRAMENTO, CA 95821
Marriage & Family Therapist
3820 AUBURN BLVD STE 100
SACRAMENTO, CA 95821
Counselor (Mental Health)
3820 AUBURN BLVD STE 100
SACRAMENTO, CA 95821
Counselor (Professional)
3820 AUBURN BLVD STE 100
SACRAMENTO, CA 95821
Counselor (Mental Health)
3820 AUBURN BLVD STE 100
SACRAMENTO, CA 95821

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1902762941, enumerated as an "individual" on January 03, 2026.

The provider is located at 3820 AUBURN BLVD STE 100 SACRAMENTO, CA 95821 and the phone number is (916) 300-6576.

Counselor with taxonomy code 101YM0800X and a focus in Mental Health.