THANH KIEN TRUONG O.D.
NPI 1669528089
Optometrist - Low Vision Rehabilitation in San Francisco, CA
NPI Status: Active since January 26, 2007
Contact Information
3443 BALBOA ST STE B
SAN FRANCISCO, CA
ZIP 94121
Phone: (415) 221-4733
Fax: (415) 221-4733
- Individual
- Male
- Optometrist
- Low Vision Rehabilitation
About THANH TRUONG
This page provides the complete NPI Profile along with additional information for Thanh Truong, a provider established in San Francisco, California with a medical specialization in Optometrist, focusing in low vision rehabilitation . The healthcare provider is registered in the NPI registry with number 1669528089 assigned on January 2007. The practitioner's primary taxonomy code is 152WL0500X with license number 12067T (CA). The provider is registered as an individual and his NPI record was last updated 18 years ago.
- NPI
- 1669528089
- Provider Name
- THANH KIEN TRUONG O.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 3443 BALBOA ST STE B SAN FRANCISCO, CA 94121
- Location Phone
- (415) 221-4733
- Location Fax
- (415) 221-4733
- Mailing Address
- PO BOX 4067 NAPA, CA 94558
- Mailing Phone
- (707) 258-4737
- Mailing Fax
- (415) 221-4733
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 01-26-2007
- Last Update Date
- 07-08-2007
- 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 Low Vision Rehabilitation
- Taxonomy Code
- 152WL0500X
- Type
- Eye and Vision Services Providers
- License No.
- 12067T
- License State
- CA
- Taxonomy Description
- Optometrists who specialize in low-vision care having training to assess visual function, prescribe low-vision devices, develop treatment plans, and recommend other vision rehabilitation services.
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NPI Validation Check Digit Calculation
The following table explains the step by step NPI number validation process using the ISO standard Luhn algorithm.
| Start with the original NPI number, the last digit is the check digit and is not used in the calculation. | |||||||||
| 1 | 6 | 6 | 9 | 5 | 2 | 8 | 0 | 8 | 9 |
| Step 1: Double the value of the alternate digits, beginning with the rightmost digit. | |||||||||
| 2 | 6 | 12 | 9 | 10 | 2 | 16 | 0 | 16 | |
| Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24. | |||||||||
| 2 + 6 + 1 + 2 + 9 + 1 + 0 + 2 + 1 + 6 + 0 + 1 + 6 + 24 = 61 | |||||||||
| Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit. | |||||||||
| 70 - 61 = 9 | 9 | ||||||||
The NPI number 1669528089 is valid because the calculated check digit 9 using the Luhn validation algorithm matches the last digit of the original NPI number.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1669528089, enumerated as an "individual" on January 26, 2007.
The provider is located at 3443 BALBOA ST STE B SAN FRANCISCO, CA 94121 and the phone number is (415) 221-4733.
Optometrist with taxonomy code 152WL0500X and a focus in Low Vision Rehabilitation.
