LIAM M ECKER
NPI 1801545843
Rehabilitation Practitioner in San Ysidro, CA

NPI Status: Active since March 18, 2022

Contact Information

1666 PRECISION PARK LN
SAN YSIDRO, CA
ZIP 92173
Phone: (619) 662-4100

NPI Profile Information
Primary Taxonomy
Secondary Taxonomies
Secondary Locations
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Male
Rehabilitation Practitioner

About LIAM ECKER

This page provides the complete NPI Profile along with additional information for Liam Ecker, a provider established in San Ysidro, California with a medical specialization in Rehabilitation Practitioner. The healthcare provider is registered in the NPI registry with number 1801545843 assigned on March 2022. The practitioner's primary taxonomy code is 225400000X. The provider is registered as an individual and his NPI record was last updated one year ago.

NPI: 1801545843
Provider Name: LIAM M ECKER
Gender: Male
Entity Type: Individual
Location Address: 1666 PRECISION PARK LN SAN YSIDRO, CA 92173
Location Phone: (619) 662-4100
Mailing Address: 1738 S TREMONT ST OCEANSIDE, CA 92054
Mailing Phone: (760) 439-2800
Mailing Fax
Is Sole Proprietor?: No
Enumeration Date: 03-18-2022
Last Update Date: 04-27-2025
Code Navigator

Location Map

Secondary Locations

1738 S Tremont St
Oceanside, CA 92054
(760) 439-2800

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: Rehabilitation Practitioner
Taxonomy Code: 225400000X
Type: Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Taxonomy Description: A health care practitioner who trains or retrains individuals disabled by disease or injury to help them attain their maximum functional capacity.

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)
1	171M00000X	Other Service Providers	Case Manager/Care Coordinator

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 1801545843, 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 0

Pos 4

Unchanged

Pos 5

Doubled → 10 → 1 + 0

Pos 6

Unchanged

Pos 7

Doubled → 10 → 1 + 0

Pos 8

Unchanged

Pos 9

Doubled → 8

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 0 → 0 5 → 10 → 1 5 → 10 → 1 4 → 8