GRAND AVENUE SURGERY CENTER, LLC
NPI 1558832741
Clinic/Center - Ambulatory Surgical in Los Angeles, CA

NPI Status: Active since December 16, 2018

Contact Information

1400 S GRAND AVE STE 700
LOS ANGELES, CA
ZIP 90015
Phone: (213) 866-1900
Fax: (213) 275-1393

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  • Organization
  • Clinic/Center
  • Ambulatory Surgical

About GRAND AVENUE SURGERY CENTER, LLC

This page provides the complete NPI Profile along with additional information for Grand Avenue Surgery Center, Llc, a provider established in Los Angeles, California operating as a Clinic/center, focusing in ambulatory surgical . The healthcare provider is registered in the NPI registry with number 1558832741 assigned on December 2018. The practitioner's primary taxonomy code is 261QA1903X. The provider is registered as an organization and their NPI record was last updated 6 years ago. The authorized official of this NPI record is Dr. Greg Horner Md (Ceo)

NPI
1558832741
Provider Name
GRAND AVENUE SURGERY CENTER, LLC
Entity Type
Organization
Location Address
1400 S GRAND AVE STE 700 LOS ANGELES, CA 90015
Location Phone
(213) 866-1900
Location Fax
(213) 275-1393
Mailing Address
1400 S GRAND AVE STE 700 LOS ANGELES, CA 90015
Mailing Phone
(213) 866-1900
Mailing Fax
(213) 275-1393
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
12-16-2018
Last Update Date
12-04-2020
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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

Clinic/Center Ambulatory Surgical

Taxonomy Code
261QA1903X
Type
Ambulatory Health Care Facilities

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. GREG HORNER MD

Authorized Official Title
CEO
Authorized Official Phone
(925) 984-4734

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Complex removal of cataract with insertion of prosthetic lens

This procedure involves removing a cloudy lens (cataract) from your eye and replacing it with a clear, artificial lens. It helps restore vision that has been affected by the cataract. The operation is usually done under local anesthesia.

This service was performed 31 times for 26 patients

Complex repair of detached retina and drainage of eye fluid between lens and retina

This procedure involves reattaching your detached retina, a vital layer at the back of your eye. Simultaneously, excess fluid between your lens and retina is drained. This helps restore vision and prevent further eye damage.

This service was performed 13 times for 12 patients

Removal of cataract with insertion of prosthetic lens

This is a procedure where a cloudy lens in your eye, known as a cataract, is removed. After removal, a clear artificial lens is inserted. This helps to restore your vision, enabling you to see clearly again.

This service was performed 143 times for 119 patients

Repair of detached retina with drainage and removal of eye fluid between lens and retina

This procedure addresses a detached retina, a serious eye condition. It involves draining fluid from between the lens and retina, allowing the retina to reattach. Then, the eye fluid is removed to prevent future detachments. It's a crucial step for vision restoration.

This service was performed 11 times for 11 patients

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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 1558832741, 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 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
5
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
8
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
3
Unchanged
Pos 7
2
Doubled → 4
Pos 8
7
Unchanged
Pos 9
4
Doubled → 8
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 5 → 10 → 1 8 → 16 → 7 2 → 4 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 0 + 8 + 1 + 6 + 3 + 4 + 7 + 8 + 24 = 69

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

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1558832741.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Family Medicine
1400 S GRAND AVE STE 700
LOS ANGELES, CA 90015
Social Worker (Clinical)
1400 S GRAND AVE STE 700
LOS ANGELES, CA 90015

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1558832741, enumerated as an "organization" on December 16, 2018.

The provider is located at 1400 S GRAND AVE STE 700 LOS ANGELES, CA 90015 and the phone number is (213) 866-1900.

Clinic/Center with taxonomy code 261QA1903X and a focus in Ambulatory Surgical.