RICHARD A EWING O.D.
NPI 1134263726
Optometrist - Corneal and Contact Management in Tacoma, WA
NPI Status: Active since February 16, 2007
Contact Information
5821 SPRAGUE CT
TACOMA, WA
ZIP 98409
Phone: (253) 456-4120
NPPES record last updated: May 9, 2008. Verified against the NPPES registry weekly; last sync: July 12, 2026.
- Individual
- Male
- Optometrist
- Corneal and Contact Management
About RICHARD EWING
This page provides the complete NPI Profile along with additional information for Richard Ewing, a provider established in Tacoma, Washington with a medical specialization in Optometrist, focusing in corneal and contact management . The healthcare provider is registered in the NPI registry with number 1134263726 assigned on February 2007. The practitioner's primary taxonomy code is 152WC0802X with license number OD00000818 (WA). The provider is registered as an individual and his NPI record was last updated 18 years ago.
- NPI
- 1134263726
- Provider Name
- RICHARD A EWING O.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 5821 SPRAGUE CT TACOMA, WA 98409
- Location Phone
- (253) 456-4120
- Mailing Address
- PO BOX 34584 SEATTLE, WA 98124
- Mailing Phone
- (509) 241-7349
- Mailing Fax
- (509) 241-7628
- Is Sole Proprietor?
- No
- Enumeration Date
- 02-16-2007
- Last Update Date
- 05-09-2008
- 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
Optometrist Corneal and Contact Management
- Taxonomy Code
- 152WC0802X
- Type
- Eye and Vision Services Providers
- License No.
- OD00000818
- License State
- WA
- Taxonomy Description
- The professional activities performed by an Optometrist related to the fitting of contact lenses to an eye, ongoing evaluation of the cornea's ability to sustain successful contact lens wear, and treatment of any external eye or corneal condition which can affect contact lens wear.
Insurance Plans Accepted
According to publicly available information the provider might be accepting the following health plans from these health insurance companies:
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 |
|---|---|---|---|
| U01634 | MEDICARE UPIN (02) | WA | |
| G8872315 | MEDICARE PIN (08) | WA | |
| GAB28072 | MEDICARE PIN (08) | WA | |
| GAB19111 | MEDICARE PIN (08) | WA | |
| 2260107 | MEDICAID (05) | WA | |
| GAB19110 | MEDICARE PIN (08) | WA | |
| GAB19108 | MEDICARE PIN (08) | WA | |
| GAB19109 | MEDICARE PIN (08) | WA |
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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 1134263726, we treat the final digit (6) 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).
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 64 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 2 providers are registered at the same or a nearby location.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1134263726, enumerated as an "individual" on February 16, 2007.
The provider is located at 5821 SPRAGUE CT TACOMA, WA 98409 and the phone number is (253) 456-4120.
Optometrist with taxonomy code 152WC0802X and a focus in Corneal and Contact Management.
The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.
