WILLOWBROOK RESIDENTIAL CARE 2 LLC
NPI 1801788906
Community Based Residential Treatment Facility, Mental Illness in Ben Lomond, CA

NPI Status: Active since July 15, 2025

Contact Information

155 WILLOWBROOK DR
BEN LOMOND, CA
ZIP 95005
Phone: (323) 484-1300

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  • Organization
  • Community Based Residential Treatment Fa...

About WILLOWBROOK RESIDENTIAL CARE 2 LLC

This page provides the complete NPI Profile along with additional information for Willowbrook Residential Care 2 Llc, a provider established in Ben Lomond, California operating as a Community Based Residential Treatment Facility, Mental Illness. The healthcare provider is registered in the NPI registry with number 1801788906 assigned on July 2025. The practitioner's primary taxonomy code is 320800000X. The provider is registered as an organization and their NPI record was last updated one year ago. The authorized official of this NPI record is Mordechai Wertheimer (Cfo)

NPI
1801788906
Provider Name
WILLOWBROOK RESIDENTIAL CARE 2 LLC
Entity Type
Organization
Location Address
155 WILLOWBROOK DR BEN LOMOND, CA 95005
Location Phone
(323) 484-1300
Mailing Address
7162 BEVERLY BLVD # 565 LOS ANGELES, CA 90036
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
07-15-2025
Last Update Date
07-15-2025
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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

Community Based Residential Treatment Facility, Mental Illness

Taxonomy Code
320800000X
Type
Residential Treatment Facilities
Taxonomy Description
A home-like residential facility providing psychiatric treatment and psycho/social rehabilitative services to individuals diagnosed with mental illness.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

MORDECHAI WERTHEIMER

Authorized Official Title
CFO
Authorized Official Phone
(323) 484-1300

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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 1801788906, we treat the final digit (6) 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).

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
8
Unchanged
Pos 3
0
Doubled → 0
Pos 4
1
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
8
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
9
Unchanged
Pos 9
0
Doubled → 0
Check
6
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 8 → 16 → 7 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 0 + 1 + 1 + 4 + 8 + 1 + 6 + 9 + 0 + 24 = 64

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

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1801788906.

Other Providers at the Same Location


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

Counselor (Mental Health)
155 WILLOWBROOK DR
BEN LOMOND, CA 95005
Counselor (Mental Health)
155 WILLOWBROOK DR
BEN LOMOND, CA 95005
Counselor (Mental Health)
155 WILLOWBROOK DR
BEN LOMOND, CA 95005
Counselor (Mental Health)
155 WILLOWBROOK DR
BEN LOMOND, CA 95005
Counselor (Mental Health)
155 WILLOWBROOK DR
BEN LOMOND, CA 95005
Counselor (Mental Health)
155 WILLOWBROOK DR
BEN LOMOND, CA 95005
Counselor (Mental Health)
155 WILLOWBROOK DR
BEN LOMOND, CA 95005
Counselor (Mental Health)
155 WILLOWBROOK DR
BEN LOMOND, CA 95005
Counselor (Mental Health)
155 WILLOWBROOK DR
BEN LOMOND, CA 95005
Counselor (Mental Health)
155 WILLOWBROOK DR
BEN LOMOND, CA 95005
Counselor (Mental Health)
155 WILLOWBROOK DR
BEN LOMOND, CA 95005
Counselor (Mental Health)
155 WILLOWBROOK DR
BEN LOMOND, CA 95005
Counselor (Mental Health)
155 WILLOWBROOK DR
BEN LOMOND, CA 95005
Counselor (Mental Health)
155 WILLOWBROOK DR
BEN LOMOND, CA 95005
Counselor (Mental Health)
155 WILLOWBROOK DR
BEN LOMOND, CA 95005
Counselor (Mental Health)
155 WILLOWBROOK DR
BEN LOMOND, CA 95005
Counselor (Mental Health)
155 WILLOWBROOK DR
BEN LOMOND, CA 95005
Counselor (Mental Health)
155 WILLOWBROOK DR
BEN LOMOND, CA 95005
Counselor (Mental Health)
155 WILLOWBROOK DR
BEN LOMOND, CA 95005
Counselor (Mental Health)
155 WILLOWBROOK DR
BEN LOMOND, CA 95005

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1801788906, enumerated as an "organization" on July 15, 2025.

The provider is located at 155 WILLOWBROOK DR BEN LOMOND, CA 95005 and the phone number is (323) 484-1300.

Community Based Residential Treatment Facility, Mental Illness with taxonomy code 320800000X.