ROGER W MATTISON M.S.
NPI 1598863680
Audiologist-Hearing Aid Fitter in Arcata, CA
NPI Status: Active since September 20, 2006
Contact Information
3770 JANES RD
ARCATA, CA
ZIP 95521
Phone: (707) 822-9122
Fax: (707) 822-1969
- Individual
- Male
- Audiologist-Hearing Aid Fitter
About ROGER MATTISON
This page provides the complete NPI Profile along with additional information for Roger Mattison, a provider established in Arcata, California with a medical specialization in Audiologist-hearing Aid Fitter. The healthcare provider is registered in the NPI registry with number 1598863680 assigned on September 2006. The practitioner's primary taxonomy code is 237600000X with license number HA 954 (CA). The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1598863680
- Provider Name
- ROGER W MATTISON M.S.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 3770 JANES RD ARCATA, CA 95521
- Location Phone
- (707) 822-9122
- Location Fax
- (707) 822-1969
- Mailing Address
- 3770 JANES RD ARCATA, CA 95521
- Mailing Phone
- (707) 822-9122
- Mailing Fax
- (707) 822-1969
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 09-20-2006
- Last Update Date
- 09-11-2025
- 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
Audiologist-Hearing Aid Fitter
- Taxonomy Code
- 237600000X
- Type
- Speech, Language and Hearing Service Providers
- License No.
- HA 954
- License State
- CA
- Taxonomy Description
- An audiologist/hearing aid fitter is the professional who specializes in evaluating and treating people with hearing loss, conducts a wide variety of tests to determine the exact nature of an individual's hearing problem, presents a variety of treatment options to patients, dispenses and fits hearing aids, administers tests of balance to evaluate dizziness and provides hearing rehabilitation training. This classification should be used where individuals are licensed as audiologist-hearing aid fitters as opposed to states that license individuals as audiologists.
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 | 231H00000X | Speech, Language and Hearing Service Providers | Audiologist | AU 301 (CA) |
Reviews for ROGER W MATTISON M.S.
There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.
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 1598863680, we treat the final digit (0) 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 80. The final step is to find the difference between that total and the next multiple of ten (80 - 80 = 0).
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 80 is 80. The difference is the calculated check digit.
Other Providers at the Same Location
The following 11 providers are registered at the same or a nearby location.
ARCATA, CA 95521
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1598863680, enumerated as an "individual" on September 20, 2006.
The provider is located at 3770 JANES RD ARCATA, CA 95521 and the phone number is (707) 822-9122.
Audiologist-Hearing Aid Fitter with taxonomy code 237600000X.
