MARK C. PARK O.D.
NPI 1720049034
Optometrist - Corneal and Contact Management in Encino, CA
NPI Status: Active since March 28, 2006
Contact Information
6345 BALBOA BLVD
BUILDING 3, SUITE 250
ENCINO, CA
ZIP 91316
Phone: (818) 344-3937
Fax: (818) 344-1229
- Individual
- Male
- Optometrist
- Corneal and Contact Management
About MARK PARK
This page provides the complete NPI Profile along with additional information for Mark Park, a provider established in Encino, California with a medical specialization in Optometrist, focusing in corneal and contact management . The healthcare provider is registered in the NPI registry with number 1720049034 assigned on March 2006. The practitioner's primary taxonomy code is 152WC0802X with license number 11381T (CA). The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1720049034
- Provider Name
- MARK C. PARK O.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 6345 BALBOA BLVD BUILDING 3, SUITE 250 ENCINO, CA 91316
- Location Phone
- (818) 344-3937
- Location Fax
- (818) 344-1229
- Mailing Address
- 10507 ILONA AVE LOS ANGELES, CA 90064
- Mailing Phone
- (310) 470-0848
- Is Sole Proprietor?
- No
- Enumeration Date
- 03-28-2006
- Last Update Date
- 09-11-2025
- 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 Corneal and Contact Management
- Taxonomy Code
- 152WC0802X
- Type
- Eye and Vision Services Providers
- License No.
- 11381T
- License State
- CA
- 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.
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 | 152W00000X | Eye and Vision Services Providers | Optometrist | 11381T (CA) |
| 2 | 152WV0400X | Eye and Vision Services Providers | Optometrist | 11381T (CA) |
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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 1720049034, 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.
Other Providers at the Same Location
The following 17 providers are registered at the same or a nearby location.
ENCINO, CA 91316
ENCINO, CA 91316
ENCINO, CA 91316
ENCINO, CA 91316
ENCINO, CA 91316
ENCINO, CA 91316
ENCINO, CA 91316
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1720049034, enumerated as an "individual" on March 28, 2006.
The provider is located at 6345 BALBOA BLVD BUILDING 3, SUITE 250 ENCINO, CA 91316 and the phone number is (818) 344-3937.
Optometrist with taxonomy code 152WC0802X and a focus in Corneal and Contact Management.
