DR. CHRISTINE ANN MARCELLUS DVM
NPI 1659220754
Veterinarian in Spokane, WA
NPI Status: Active since January 23, 2026
Contact Information
4004 S MYRTLE ST
SPOKANE, WA
ZIP 99223
Phone: (509) 945-3350
- Individual
- Female
- Veterinarian
About CHRISTINE MARCELLUS
This page provides the complete NPI Profile along with additional information for Christine Marcellus, a provider established in Spokane, Washington with a medical specialization in Veterinarian. The healthcare provider is registered in the NPI registry with number 1659220754 assigned on January 2026. The practitioner's primary taxonomy code is 174M00000X with license number VT00006622 (WA). The provider is registered as an individual and her NPI record was last updated January 2026.
- NPI
- 1659220754
- Provider Name
- DR. CHRISTINE ANN MARCELLUS DVM
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 4004 S MYRTLE ST SPOKANE, WA 99223
- Location Phone
- (509) 945-3350
- Mailing Address
- 4004 S MYRTLE ST SPOKANE, WA 99223
- Mailing Phone
- (509) 945-3350
- Is Sole Proprietor?
- No
- Enumeration Date
- 01-23-2026
- Last Update Date
- 01-23-2026
- 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
Veterinarian
- Taxonomy Code
- 174M00000X
- Type
- Other Service Providers
- License No.
- VT00006622
- License State
- WA
- Taxonomy Description
- A doctor of veterinary medicine, trained and authorized to practice veterinarian medicine and surgery.
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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 1659220754, we treat the final digit (4) 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 4).
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 56 is 60. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1659220754, enumerated as an "individual" on January 23, 2026.
The provider is located at 4004 S MYRTLE ST SPOKANE, WA 99223 and the phone number is (509) 945-3350.
Veterinarian with taxonomy code 174M00000X.
