WILLAMETTE FAMILY INC
NPI 1790661346
Substance Abuse Rehabilitation Facility in Eugene, OR

NPI Status: Active since August 11, 2025

Contact Information

640 W 7TH AVE
EUGENE, OR
ZIP 97402
Phone: (541) 684-4100

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  • Organization
  • Substance Abuse Rehabilitation Facility

About WILLAMETTE FAMILY INC

This page provides the complete NPI Profile along with additional information for Willamette Family Inc, a provider established in Eugene, Oregon operating as a Substance Abuse Rehabilitation Facility. The healthcare provider is registered in the NPI registry with number 1790661346 assigned on August 2025. The practitioner's primary taxonomy code is 324500000X. 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 Eva Williams (Executive Director)

NPI
1790661346
Provider Name
WILLAMETTE FAMILY INC
Entity Type
Organization
Location Address
640 W 7TH AVE EUGENE, OR 97402
Location Phone
(541) 684-4100
Mailing Address
687 CHESHIRE AVE EUGENE, OR 97402
Mailing Phone
(541) 684-4100
Mailing Fax
Is Sole Proprietor?
No
Is Organization Subpart?
Yes
Enumeration Date
08-11-2025
Last Update Date
08-11-2025
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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

Substance Abuse Rehabilitation Facility

Taxonomy Code
324500000X
Type
Residential Treatment Facilities
Taxonomy Description
A facility or distinct part of a facility that provides a 24 hr therapeutically planned living and rehabilitative intervention environment for the treatment of individuals with disorders in the abuse of drugs, alcohol, and other substances.

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

EVA WILLIAMS

Authorized Official Title
EXECUTIVE DIRECTOR
Authorized Official Phone
(541) 762-4300

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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 1790661346, 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
7
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
0
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
6
Unchanged
Pos 7
1
Doubled → 2
Pos 8
3
Unchanged
Pos 9
4
Doubled → 8
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 9 → 18 → 9 6 → 12 → 3 1 → 2 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 1 + 8 + 0 + 1 + 2 + 6 + 2 + 3 + 8 + 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 1790661346.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1790661346, enumerated as an "organization" on August 11, 2025.

The provider is located at 640 W 7TH AVE EUGENE, OR 97402 and the phone number is (541) 684-4100.

Substance Abuse Rehabilitation Facility with taxonomy code 324500000X.