AGUSTIN FERNANDEZ ALONSO DC
NPI 1811839475
Chiropractor in Portland, OR
NPI Status: Active since April 06, 2026
Contact Information
10735 SE STARK ST STE 100
PORTLAND, OR
ZIP 97216
Phone: (971) 346-3313
- Individual
- Male
- Chiropractor
About AGUSTIN FERNANDEZ ALONSO
This page provides the complete NPI Profile along with additional information for Agustin Fernandez Alonso, a provider established in Portland, Oregon with a medical specialization in Chiropractor. The healthcare provider is registered in the NPI registry with number 1811839475 assigned on April 2026. The practitioner's primary taxonomy code is 111N00000X with license number 6508 (OR). The provider is registered as an individual and his NPI record was last updated April 2026.
- NPI
- 1811839475
- Provider Name
- AGUSTIN FERNANDEZ ALONSO DC
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 10735 SE STARK ST STE 100 PORTLAND, OR 97216
- Location Phone
- (971) 346-3313
- Mailing Address
- 3416 SE STARK ST APT B PORTLAND, OR 97214
- Mailing Phone
- (840) 234-7708
- Is Sole Proprietor?
- No
- Enumeration Date
- 04-06-2026
- Last Update Date
- 04-06-2026
- Code Navigator
A chiropractor like Agustin Fernandez Alonso helps patients with problems of the neuromusculoskeletal system, which includes nerves, bones, muscles, ligaments, and tendons. Chiropractors use spinal adjustments and manipulation, as well as other clinical interventions, to manage health issues such as back and neck pain. Some chiropractors apply procedures like massage therapy, rehabilitative exercise, ultrasound and spinal adjustments and manipulation. A chiropractor focuses on the patients overall health and might refer patients to other healthcare professionals if necessary.
Location Map
Secondary Locations
- 2251 SE Tualatin Valley Hwy
Hillsboro, OR 97123
(503) 648-4357
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
Chiropractor
- Taxonomy Code
- 111N00000X
- Type
- Chiropractic Providers
- License No.
- 6508
- License State
- OR
- Taxonomy Description
- A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.
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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 1811839475, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 65 is 70. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1811839475, enumerated as an "individual" on April 06, 2026.
The provider is located at 10735 SE STARK ST STE 100 PORTLAND, OR 97216 and the phone number is (971) 346-3313.
Chiropractor with taxonomy code 111N00000X.
