EVAN FARNHAM CO
NPI 1154283778
Orthotist in Oklahoma City, OK
NPI Status: Active since December 02, 2025
Contact Information
921 NE 13TH ST
OKLAHOMA CITY, OK
ZIP 73104
Phone: (405) 302-1552
- Individual
- Male
- Orthotist
About EVAN FARNHAM
This page provides the complete NPI Profile along with additional information for Evan Farnham, a provider established in Oklahoma City, Oklahoma with a medical specialization in Orthotist. The healthcare provider is registered in the NPI registry with number 1154283778 assigned on December 2025. The practitioner's primary taxonomy code is 222Z00000X. The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1154283778
- Provider Name
- EVAN FARNHAM CO
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 921 NE 13TH ST OKLAHOMA CITY, OK 73104
- Location Phone
- (405) 302-1552
- Mailing Address
- 2909 NW 183RD CIR EDMOND, OK 73012
- Mailing Phone
- (574) 339-4881
- Is Sole Proprietor?
- No
- Enumeration Date
- 12-02-2025
- Last Update Date
- 12-02-2025
- 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
Orthotist
- Taxonomy Code
- 222Z00000X
- Type
- Respiratory, Developmental, Rehabilitative and Restorative Service Providers
- Taxonomy Description
- A health care professional who is specifically educated and trained to manage comprehensive orthotic patient care, including musculoskeletal and neuromuscular anomalies resulting from injuries or disease processes involving the lower extremity, upper extremity or spinal segment/s and positional deformation of the cranium. Orthotists assess specific patient needs, formulate an appropriate treatment plan, implement the treatment plan and provide follow-up care.
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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 1154283778, we treat the final digit (8) 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).
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 62 is 70. 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.
OKLAHOMA CITY, OK 73104
OKLAHOMA CITY, OK 73104
OKLAHOMA CITY, OK 73104
OKLAHOMA CITY, OK 73104
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1154283778, enumerated as an "individual" on December 02, 2025.
The provider is located at 921 NE 13TH ST OKLAHOMA CITY, OK 73104 and the phone number is (405) 302-1552.
Orthotist with taxonomy code 222Z00000X.
