CARI LYNN OLSON
NPI 1801748132
Foster Care Agency in Billings, MT
NPI Status: Active since February 10, 2026
Contact Information
8430 SHORTHORN DR
BILLINGS, MT
ZIP 59106
Phone: (406) 200-3335
- Individual
- Female
- Foster Care Agency
About CARI OLSON
This page provides the complete NPI Profile along with additional information for Cari Olson, a provider established in Billings, Montana with a medical specialization in Foster Care Agency. The healthcare provider is registered in the NPI registry with number 1801748132 assigned on February 2026. The practitioner's primary taxonomy code is 253J00000X. The provider is registered as an individual and her NPI record was last updated February 2026.
- NPI
- 1801748132
- Provider Name
- CARI LYNN OLSON
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 8430 SHORTHORN DR BILLINGS, MT 59106
- Location Phone
- (406) 200-3335
- Mailing Address
- 8430 SHORTHORN DR BILLINGS, MT 59106
- Mailing Phone
- (406) 200-3335
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 02-10-2026
- Last Update Date
- 02-10-2026
- Code Navigator
Location Map
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
Foster Care Agency
- Taxonomy Code
- 253J00000X
- Type
- Agencies
- License State
- MT
- Taxonomy Description
- A Foster Care Agency is an agency that provides foster care as defined in the Code of Federal Regulations (CFR) as 24-hour substitute care for children outside their own homes. Foster care settings include, but are not limited to, nonrelative foster family homes, relative foster homes (whether payments are being made or not), group homes, emergency shelters, residential facilities, and pre-adoptive homes.
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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 1801748132, we treat the final digit (2) 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 58. The final step is to find the difference between that total and the next multiple of ten (60 - 58 = 2).
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 58 is 60. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1801748132, enumerated as an "individual" on February 10, 2026.
The provider is located at 8430 SHORTHORN DR BILLINGS, MT 59106 and the phone number is (406) 200-3335.
Foster Care Agency with taxonomy code 253J00000X.
