DR. ISABEL LEEDS GROTH OD
NPI 1992699540
Optometrist in Walla Walla, WA
NPI Status: Active since June 06, 2025
Contact Information
77 WAINWRIGHT DR
WALLA WALLA, WA
ZIP 99362
Phone: (509) 525-5200
Fax: (509) 526-6202
- Individual
- Female
- Optometrist
About ISABEL GROTH
This page provides the complete NPI Profile along with additional information for Isabel Groth, a provider established in Walla Walla, Washington with a medical specialization in Optometrist. The healthcare provider is registered in the NPI registry with number 1992699540 assigned on June 2025. The practitioner's primary taxonomy code is 152W00000X with license number OD.OD.70014977 (WA). The provider is registered as an individual and her NPI record was last updated one year ago.
- NPI
- 1992699540
- Provider Name
- DR. ISABEL LEEDS GROTH OD
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 77 WAINWRIGHT DR WALLA WALLA, WA 99362
- Location Phone
- (509) 525-5200
- Location Fax
- (509) 526-6202
- Mailing Address
- 77 WAINWRIGHT DR WALLA WALLA, WA 99362
- Mailing Phone
- (509) 525-5200
- Is Sole Proprietor?
- No
- Enumeration Date
- 06-06-2025
- Last Update Date
- 10-06-2025
- 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
Optometrist
- Taxonomy Code
- 152W00000X
- Type
- Eye and Vision Services Providers
- License No.
- OD.OD.70014977
- License State
- WA
- Taxonomy Description
- Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.
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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 1992699540, 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 20 providers are registered at the same or a nearby location.
WALLA WALLA, WA 99362
WALLA WALLA, WA 99362
WALLA WALLA, WA 99362
WALLA WALLA, WA 99362
WALLA WALLA, WA 99362
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1992699540, enumerated as an "individual" on June 06, 2025.
The provider is located at 77 WAINWRIGHT DR WALLA WALLA, WA 99362 and the phone number is (509) 525-5200.
Optometrist with taxonomy code 152W00000X.
