STEPHEN R MATHESON DDS PS
NPI 1538238779
Dental Assistant in Kennewick, WA
NPI Status: Active since November 06, 2006
Contact Information
5000 W CLEARWATER AVE
KENNEWICK, WA
ZIP 99336
Phone: (509) 783-5000
Fax: (509) 783-8349
- Individual
- Male
- Dental Assistant
- Accepts Insurance
About STEPHEN MATHESON
This page provides the complete NPI Profile along with additional information for Stephen Matheson, a provider established in Kennewick, Washington with a medical specialization in Dental Assistant. The healthcare provider is registered in the NPI registry with number 1538238779 assigned on November 2006. The practitioner's primary taxonomy code is 126800000X with license number DE00010578 (WA). The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1538238779
- Provider Name
- STEPHEN R MATHESON DDS PS
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 5000 W CLEARWATER AVE KENNEWICK, WA 99336
- Location Phone
- (509) 783-5000
- Location Fax
- (509) 783-8349
- Mailing Address
- 5000 W CLEARWATER AVE KENNEWICK, WA 99336
- Mailing Phone
- (509) 783-5000
- Mailing Fax
- (509) 783-8349
- Is Sole Proprietor?
- No
- Enumeration Date
- 11-06-2006
- Last Update Date
- 09-11-2025
- Code Navigator
A dental assitant like Stephen Matheson works closely with patients and dentists by providing patient care, taking x rays, keeping patient records, scheduling appointments, sterilizing dental equipment, etc. During a typical visit a dental assistant might take a patient's medical history, blood pressure and pulse, explain what procedure will be done and talk to patients about oral care. .
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
Dental Assistant
- Taxonomy Code
- 126800000X
- Type
- Dental Providers
- License No.
- DE00010578
- License State
- WA
- Taxonomy Description
- An individual who may or may not have completed an accredited dental assisting education program and who aids the dentist in providing patient care services and performs other nonclinical duties in the dental office or other patient care facility. The scope of the patient care functions that may be legally delegated to the dental assistant varies based on the needs of the dentist the educational preparation of the dental assistant and state dental practice acts and regulations. Patient care services are provided under the supervision of a dentist. To avoid misleading the public, no occupational title other than dental assistant should be used to describe this dental auxiliary.
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 | 122300000X | Dental Providers | Dentist | DE00004645 (WA) |
| 2 | 126800000X | Dental Providers | Dental Assistant | DE00008483 (WA) |
Insurance Plans Accepted
According to publicly available information the provider might be accepting the following health plans from these health insurance companies:
- Humana Dental Smart Choice - PPO
- Humana Dental Smart Choice - Basic - PPO
- Humana Dental Smart Choice - High - PPO
- Humana Dental Smart Choice - Lite - PPO
- Humana Dental Smart Choice - Low - PPO
Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.
Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.
*Please verify directly with this provider to make sure your insurance plan is currently accepted.
Additional Identifiers
The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.
| Identifier | Type / Code | Identifier State | Identifier Issuer |
|---|---|---|---|
| 4645 | OTHER (01) | WDS | |
| 408285 | OTHER (01) | UNITED CONCORDIA | |
| 5510003 | MEDICAID (05) | WA |
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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 1538238779, we treat the final digit (9) 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).
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 71 is 80. The difference is the calculated check digit.
Other Providers at the Same Location
The following 7 providers are registered at the same or a nearby location.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1538238779, enumerated as an "individual" on November 06, 2006.
The provider is located at 5000 W CLEARWATER AVE KENNEWICK, WA 99336 and the phone number is (509) 783-5000.
Dental Assistant with taxonomy code 126800000X.
The provider might be accepting Accepts: Humana, Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.
