JOHN MICHAEL HORNER
NPI 1548725237
Adult Companion in Crescent City, CA
NPI Status: Active since February 06, 2019
Contact Information
455 KST
CRESCENT CITY, CA
ZIP 95531
Phone: (707) 464-7224
Fax: (707) 465-4272
- Individual
- Male
- Adult Companion
About JOHN HORNER
This page provides the complete NPI Profile along with additional information for John Horner, a provider established in Crescent City, California with a medical specialization in Adult Companion. The healthcare provider is registered in the NPI registry with number 1548725237 assigned on February 2019. The practitioner's primary taxonomy code is 372600000X with license number R1244530217 (CA). The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1548725237
- Provider Name
- JOHN MICHAEL HORNER
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 455 KST CRESCENT CITY, CA 95531
- Location Phone
- (707) 464-7224
- Location Fax
- (707) 465-4272
- Mailing Address
- 455 KST CRESCENT CITY, CA 95531
- Mailing Phone
- (707) 464-7224
- Mailing Fax
- (707) 465-4272
- Is Sole Proprietor?
- No
- Enumeration Date
- 02-06-2019
- Last Update Date
- 11-25-2025
- 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
Adult Companion
- Taxonomy Code
- 372600000X
- Type
- Nursing Service Related Providers
- License No.
- R1244530217
- License State
- CA
- Taxonomy Description
- An individual who provides supervision, socialization, and non-medical care to a functionally impaired adult. Companions may assist or supervise the individual with such tasks as meal preparation, laundry and shopping, but do not perform these activities as discrete services. These services are provided in accordance with a therapeutic goal in the plan of care.
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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 1548725237, 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 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.
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 63 is 70. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1548725237, enumerated as an "individual" on February 06, 2019.
The provider is located at 455 KST CRESCENT CITY, CA 95531 and the phone number is (707) 464-7224.
Adult Companion with taxonomy code 372600000X.
