MS. HANNA CHANG C.O.
NPI 1619411071
Technician/Technologist - Orthoptist in Falls Church, VA

NPI Status: Active since December 05, 2016

Contact Information

6231 LEESBURG PIKE
SUITE 608
FALLS CHURCH, VA
ZIP 22044
Phone: (703) 534-3900

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  • Individual
  • Female
  • Technician/Technologist
  • Orthoptist

About HANNA CHANG

This page provides the complete NPI Profile along with additional information for Hanna Chang, a provider established in Falls Church, Virginia with a medical specialization in Technician/technologist, focusing in orthoptist . The healthcare provider is registered in the NPI registry with number 1619411071 assigned on December 2016. The practitioner's primary taxonomy code is 156FX1900X. The provider is registered as an individual and her NPI record was last updated 10 years ago.

NPI
1619411071
Provider Name
MS. HANNA CHANG C.O.
Gender
Female
Entity Type
Individual
Location Address
6231 LEESBURG PIKE SUITE 608 FALLS CHURCH, VA 22044
Location Phone
(703) 534-3900
Mailing Address
6231 LEESBURG PIKE SUITE 608 FALLS CHURCH, VA 22044
Is Sole Proprietor?
No
Enumeration Date
12-05-2016
Last Update Date
12-05-2016
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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.

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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 1619411071, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

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.

Pos 1
1
Doubled → 2
Pos 2
6
Unchanged
Pos 3
1
Doubled → 2
Pos 4
9
Unchanged
Pos 5
4
Doubled → 8
Pos 6
1
Unchanged
Pos 7
1
Doubled → 2
Pos 8
0
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
1
Target digit
Regular digit Doubled digit Check digit

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.

1 → 2 1 → 2 4 → 8 1 → 2 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 6 + 2 + 9 + 8 + 1 + 2 + 0 + 1 + 4 + 24 = 59

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1619411071.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Ophthalmology
6231 LEESBURG PIKE, SUITE 608
FALLS CHURCH, VA 22044
Ophthalmology
6231 LEESBURG PIKE, #608
FALLS CHURCH, VA 22044
Optometrist
6231 LEESBURG PIKE, #608
FALLS CHURCH, VA 22044
Ophthalmology
6231 LEESBURG PIKE, SUITE 608
FALLS CHURCH, VA 22044
Family Medicine
6231 LEESBURG PIKE, SUITE 200
FALLS CHURCH, VA 22044
Chiropractor (Sports Physician)
6231 LEESBURG PIKE, SUITE 201
FALLS CHURCH, VA 22044
Otolaryngology
6231 LEESBURG PIKE, SUITE 500
FALLS CHURCH, VA 22044
Otolaryngology
6231 LEESBURG PIKE, SUITE 500
FALLS CHURCH, VA 22044
Otolaryngology
6231 LEESBURG PIKE, 500
FALL CHURCH, VA 22044
Otolaryngology
6231 LEESBURG PIKE, 500
FALLS CHURCH, VA 22044
Dentist (Oral and Maxillofacial Surgery)
6231 LEESBURG PIKE, SUITE 402
FALLS CHURCH, VA 22044
Specialist
6231 LEESBURG PIKE, SUITE L-1
FALLS CHURCH, VA 22044
Specialist
6231 LEESBURG PIKE, SUITE L-1
FALLS CHURCH, VA 22044
Specialist
6231 LEESBURG PIKE, SUITE L-1
FALLS CHURCH, VA 22044
Specialist
6231 LEESBURG PIKE, SUITE L-1
FALLS CHURCH, VA 22044
Specialist
6231 LEESBURG PIKE, SUITE L-1
FALLS CHURCH, VA 22044
Specialist
6231 LEESBURG PIKE, SUITE L-1
FALLS CHURCH, VA 22044
Specialist
6231 LEESBURG PIKE, SUITE L-1
FALLS CHURCH, VA 22044
Specialist
6231 LEESBURG PIKE, SUITE L-1
FALLS CHURCH, VA 22044
Specialist
6231 LEESBURG PIKE, SUITE L-1
FALLS CHURCH, VA 22044

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1619411071, enumerated as an "individual" on December 05, 2016.

The provider is located at 6231 LEESBURG PIKE SUITE 608 FALLS CHURCH, VA 22044 and the phone number is (703) 534-3900.

Technician/Technologist with taxonomy code 156FX1900X and a focus in Orthoptist.