MR. RANDYN SHAMAR MCMILLAN CO, LDO
NPI 1124775168
Technician/Technologist - Orthoptist in Crestview, FL
NPI Status: Active since March 09, 2022
Contact Information
4100 S FERDON BLVD
CRESTVIEW, FL
ZIP 32536
Phone: (850) 204-4762
- Individual
- Male
- Technician/Technologist
- Orthoptist
About RANDYN MCMILLAN
This page provides the complete NPI Profile along with additional information for Randyn Mcmillan, a provider established in Crestview, Florida with a medical specialization in Technician/technologist, focusing in orthoptist . The healthcare provider is registered in the NPI registry with number 1124775168 assigned on March 2022. The practitioner's primary taxonomy code is 156FX1900X. The provider is registered as an individual and his NPI record was last updated March 2026.
- NPI
- 1124775168
- Provider Name
- MR. RANDYN SHAMAR MCMILLAN CO, LDO
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 4100 S FERDON BLVD CRESTVIEW, FL 32536
- Location Phone
- (850) 204-4762
- Mailing Address
- 4100 S FERDON BLVD STE C2 CRESTVIEW, FL 32536
- Mailing Phone
- (850) 204-4762
- Is Sole Proprietor?
- No
- Enumeration Date
- 03-09-2022
- Last Update Date
- 03-10-2026
- 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
Technician/Technologist Orthoptist
- Taxonomy Code
- 156FX1900X
- Type
- Eye and Vision Services Providers
- Taxonomy Description
- An orthoptist is an allied health professional skilled in evaluation and treatment of children and adults with eye movement difficulties. Their specialty is strabismus, amblyopia, and double vision.
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 | 156FX1800X | Eye and Vision Services Providers | Technician/Technologist | LDO7360 (FL) |
| 2 | 156FX1800X | Eye and Vision Services Providers | Technician/Technologist | LDO002944 (GA) |
| 3 | 156FX1800X | Eye and Vision Services Providers | Technician/Technologist | DPO3507 (TN) |
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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 1124775168, 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 52. The final step is to find the difference between that total and the next multiple of ten (60 - 52 = 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 52 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 17 providers are registered at the same or a nearby location.
CRESTVIEW, FL 32536
CRESTVIEW, FL 32536
CRESTVIEW, FL 32536
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1124775168, enumerated as an "individual" on March 09, 2022.
The provider is located at 4100 S FERDON BLVD CRESTVIEW, FL 32536 and the phone number is (850) 204-4762.
Technician/Technologist with taxonomy code 156FX1900X and a focus in Orthoptist.
