WASHINGTON EYE SPECIALISTS LLC
NPI 1841366002
Ophthalmology in Washington, DC

NPI Status: Active since November 28, 2006

Contact Information

1160 VARNUM ST NE
DEPAUL BLDG., SUITE 011
WASHINGTON, DC
ZIP 20017
Phone: (202) 529-5200
Fax: (202) 529-1476

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  • Organization
  • Ophthalmology
  • CLIA Number: 09D2179354
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 02-20-2026

About WASHINGTON EYE SPECIALISTS LLC

This page provides the complete NPI Profile along with additional information for Washington Eye Specialists Llc, a provider established in Washington, District Of Columbia operating as a Ophthalmology. The healthcare provider is registered in the NPI registry with number 1841366002 assigned on November 2006. The practitioner's primary taxonomy code is 207W00000X. The provider is registered as an organization and their NPI record was last updated 6 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Dr. Ted Gancayco (Administrator)

NPI
1841366002
Provider Name
WASHINGTON EYE SPECIALISTS LLC
Entity Type
Organization
Location Address
1160 VARNUM ST NE DEPAUL BLDG., SUITE 011 WASHINGTON, DC 20017
Location Phone
(202) 529-5200
Location Fax
(202) 529-1476
Mailing Address
1160 VARNUM ST NE DEPAUL BLDG., SUITE 011 WASHINGTON, DC 20017
Mailing Phone
(202) 529-5200
Mailing Fax
(202) 529-1476
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
11-28-2006
Last Update Date
08-22-2020
Code Navigator

Ophthalmologists like Washington Eye Specialists Llc specialize in diagnosing and treating eye conditions. They may perform surgeries to correct vision issues or prevent vision loss due to diseases like glaucoma. Additionally, they can provide eyeglasses, prescribe contact lenses, and offer other vision-related services.

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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

Ophthalmology

Taxonomy Code
207W00000X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

DR. TED GANCAYCO

Authorized Official Title
ADMINISTRATOR
Authorized Official Phone
(202) 529-5200

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
09D2179354
Facility Type
Physician Office
Certificate Effective Date
February 21, 2024
Certificate Expiration Date
February 20, 2026
Laboratory Director
JOSE BORDON
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Washington Eye Specialists Llc to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

Reviews for WASHINGTON EYE SPECIALISTS LLC

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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 1841366002, we treat the final digit (2) 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 58. The final step is to find the difference between that total and the next multiple of ten (60 - 58 = 2).

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
8
Unchanged
Pos 3
4
Doubled → 8
Pos 4
1
Unchanged
Pos 5
3
Doubled → 6
Pos 6
6
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
0
Unchanged
Pos 9
0
Doubled → 0
Check
2
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 4 → 8 3 → 6 6 → 12 → 3 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 8 + 1 + 6 + 6 + 1 + 2 + 0 + 0 + 24 = 58

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

The next multiple of ten after 58 is 60. The difference is the calculated check digit.

60 - 58 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1841366002.

Other Providers at the Same Location


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

Orthopaedic Surgery
1160 VARNUM ST NE, 312
WASHINGTON, DC 20017
Orthopaedic Surgery
1160 VARNUM ST NE, SUITE 312
WASHINGTON, DC 20017
Surgery
1160 VARNUM ST NE, SUITE 300-B
WASHINGTON, DC 20017
Internal Medicine (Cardiovascular Disease)
1160 VARNUM ST NE, #100
WASHINGTON, DC 20017
Internal Medicine (Gastroenterology)
1160 VARNUM ST NE, #218
WASHINGTON, DC 20017
Allergy & Immunology
1160 VARNUM ST NE, SUITE008
WASHINGTON, DC 20017
Internal Medicine
1160 VARNUM ST NE, SUITE 008
WASHINGTON, DC 20017
Psychiatry & Neurology (Neurology)
1160 VARNUM ST NE, SUITE 204
WASHINGTON, DC 20017
Internal Medicine (Gastroenterology)
1160 VARNUM ST NE, 311
WASHINGTON, DC 20017
Internal Medicine (Gastroenterology)
1160 VARNUM ST NE, 311
WASHINGTON, DC 20017
Internal Medicine
1160 VARNUM ST NE, SUITE 317
WASHINGTON, DC 20017
Family Medicine (Geriatric Medicine)
1160 VARNUM ST NE
WASHINGTON, DC 20017
Nurse Practitioner (Gerontology)
1160 VARNUM ST NE
WASHINGTON, DC 20017
Podiatrist (Foot Surgery)
1160 VARNUM ST NE, 012
WASHINGTON, DC 20017
Internal Medicine (Geriatric Medicine)
1160 VARNUM ST NE, #311
WASHINGTON, DC 20017
Internal Medicine (Cardiovascular Disease)
1160 VARNUM ST NE, SUITE 314
WASHINGTON, DC 20017
Internal Medicine (Pulmonary Disease)
1160 VARNUM ST NE, SUITE 214
WASHINGTON, DC 20017
Internal Medicine (Nephrology)
1160 VARNUM ST NE, SUITE 16
WASHINGTON, DC 20017
Internal Medicine (Pulmonary Disease)
1160 VARNUM ST NE, #214
WASHINGTON, DC 20017
Clinic/Center (Rehabilitation)
1160 VARNUM ST NE, SUITE 1008
WASHINGTON, DC 20017

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1841366002, enumerated as an "organization" on November 28, 2006.

The provider is located at 1160 VARNUM ST NE DEPAUL BLDG., SUITE 011 WASHINGTON, DC 20017 and the phone number is (202) 529-5200.

Ophthalmology with taxonomy code 207W00000X.