NORTHWEST EXTREMITY SPECIALISTS LLC
NPI 1891428587
Clinic/Center - Podiatric in Happy Valley, OR

NPI Status: Active since July 08, 2022

Contact Information

16144 SE HAPPY VALLEY TOWN CENTER DR STE 101
HAPPY VALLEY, OR
ZIP 97086
Phone: (503) 245-2420
Fax: (503) 245-2445

NPI Profile Information
Primary Taxonomy
Authorized Official
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Organization
Clinic/Center
Podiatric

About NORTHWEST EXTREMITY SPECIALISTS LLC

This page provides the complete NPI Profile along with additional information for Northwest Extremity Specialists Llc, a provider established in Happy Valley, Oregon operating as a Clinic/center, focusing in podiatric . The healthcare provider is registered in the NPI registry with number 1891428587 assigned on July 2022. The practitioner's primary taxonomy code is 261QP1100X. The provider is registered as an organization and their NPI record was last updated 4 years ago. The authorized official of this NPI record is Thomas Charles Melillo Dpm (Owner)

NPI: 1891428587
Provider Name: NORTHWEST EXTREMITY SPECIALISTS LLC
Entity Type: Organization
Location Address: 16144 SE HAPPY VALLEY TOWN CENTER DR STE 101 HAPPY VALLEY, OR 97086
Location Phone: (503) 245-2420
Location Fax: (503) 245-2445
Mailing Address: 9115 SW OLESON RD STE 205 PORTLAND, OR 97223
Mailing Phone: (503) 245-2420
Mailing Fax: (503) 245-2445
Is Sole Proprietor?: No
Is Organization Subpart?: Yes
Enumeration Date: 07-08-2022
Last Update Date: 07-08-2022
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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: Clinic/Center Podiatric
Taxonomy Code: 261QP1100X
Type: Ambulatory Health Care Facilities

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: THOMAS CHARLES MELILLO DPM
Authorized Official Title: OWNER
Authorized Official Phone: (503) 245-2420

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 1891428587, we treat the final digit (7) 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 73. The final step is to find the difference between that total and the next multiple of ten (80 - 73 = 7).

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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 18 → 1 + 8

Pos 4

Unchanged

Pos 5

Doubled → 8

Pos 6

Unchanged

Pos 7

Doubled → 16 → 1 + 6

Pos 8

Unchanged

Pos 9

Doubled → 16 → 1 + 6

Check

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 4 → 8 8 → 16 → 7 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 8 + 1 + 8 + 2 + 1 + 6 + 5 + 1 + 6 + 24 = 73

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

The next multiple of ten after 73 is 80. The difference is the calculated check digit.

80 - 73 = 7

This NPI is valid

The calculated check digit is 7, which matches the last digit of 1891428587.