ALLIANCE SURGERY PARTNERS, LLC
NPI 1972055382
Clinic/Center - Ambulatory Surgical in Los Angeles, CA

NPI Status: Active since November 02, 2016

Contact Information

1828 E CESAR CHAVEZ AVE
LOS ANGELES, CA
ZIP 90033
Phone: (323) 263-6774

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NPPES record last updated: April 21, 2026. Verified against the NPPES registry weekly; last sync: July 12, 2026.

Record update history: Apr 21, 2026, Aug 24, 2020, Nov 2, 2016 (3 updates tracked since 2016).

  • Organization
  • Clinic/Center
  • Ambulatory Surgical
  • CLIA Number: 05D2126291
  • CLIA Cert. Type: Ambulatory Surgery Center
  • CLIA Exp. Date: 02-22-2027

About ALLIANCE SURGERY PARTNERS, LLC

This page provides the complete NPI Profile along with additional information for Alliance Surgery Partners, 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 1972055382 assigned on November 2016. The practitioner's primary taxonomy code is 261QA1903X. The provider is registered as an organization and their NPI record was last updated April 2026. The authorized official of this NPI record is Dr. Raid P Doss M.d. (Chairman, Governing Body)

NPI
1972055382
Provider Name
ALLIANCE SURGERY PARTNERS, LLC
Entity Type
Organization
Location Address
1828 E CESAR CHAVEZ AVE LOS ANGELES, CA 90033
Location Phone
(323) 263-6774
Mailing Address
1828 E CESAR CHAVEZ AVE LOS ANGELES, CA 90033
Mailing Phone
(323) 263-6774
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
11-02-2016
Last Update Date
04-21-2026
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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. RAID P DOSS M.D.

Authorized Official Title
CHAIRMAN, GOVERNING BODY
Authorized Official Phone
(323) 263-6774

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.

Creation of eye fluid drainage tract for treatment of glaucoma

This procedure, aimed at treating glaucoma, involves creating a small pathway in the eye to allow fluid to drain more effectively. This helps to lower eye pressure and prevent damage to the optic nerve, preserving your vision.

This service was performed 12 times for 11 patients

Creation of shunt to improve eye fluid flow using tissue graft

This procedure involves creating a new pathway for fluid to flow out of your eye using a tissue graft. It helps to lower eye pressure and prevent damage to your optic nerve, improving eye health and vision.

This service was performed 14 times for 11 patients

Destruction of leaking blood vessels of retina using laser

This procedure involves using a laser to treat leaking blood vessels in the retina, the part of the eye responsible for vision. The laser seals off these vessels, preventing further leakage and helping to preserve sight.

This service was performed 14 times for 12 patients

Injection of medication into eye

This procedure involves administering medication directly into your eye. A tiny needle is used to deliver the drug into the vitreous, a jelly-like substance in the eye. It helps treat conditions like macular degeneration or diabetic retinopathy. It's generally safe and effective.

This service was performed 326 times for 139 patients

Injection, bevacizumab, 10 mg

Bevacizumab is a medication given through an injection. It's designed to prevent the growth of new blood vessels that cancer cells need to grow and spread. The 10 mg dose refers to the amount of the drug in the injection.

This service was performed 183 times for 74 patients

Injection, bimatoprost, intracameral implant, 1 microgram

This procedure involves placing a tiny implant inside the eye, which releases a drug called bimatoprost. This drug helps to lower high pressure in the eye, typically seen in conditions like glaucoma. It's a safe and effective treatment.

This service was performed 973 times for 57 patients

Laser repair to improve eye fluid flow

Laser repair to improve eye fluid flow is a procedure aimed at treating glaucoma. A laser is used to create a small hole in the eye's drainage system, allowing fluid to flow out more easily. This helps to lower the pressure inside the eye, reducing the risk of vision loss.

This service was performed 49 times for 30 patients

Reconstruction of eyelid margin

Reconstruction of the eyelid margin is a surgical procedure to repair defects or abnormalities in the eyelid. It helps to protect the eye, improve vision, and enhance appearance. The surgery involves reshaping the eyelid using tissue grafts or flaps.

This service was performed 22 times for 13 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 109 times for 67 patients

Removal of cataract with insertion of prosthetic lens and laser treatment to decrease fluid production in eye

This procedure involves removing a cloudy lens (cataract) from your eye and replacing it with a clear, artificial lens. A laser is then used to reduce fluid production in the eye, helping to lower pressure and improve vision.

This service was performed 36 times for 26 patients

Removal of excessive skin and fat of upper eyelid

This procedure, also known as upper eyelid surgery, is performed to remove excess skin and fat from the upper eyelid. It can help improve vision if heavy eyelids hinder it, and can also enhance the appearance of the eyes. It's a common, safe procedure.

This service was performed 26 times for 13 patients

Removal of eye fluid

Removal of eye fluid, also known as vitrectomy, is a surgical procedure used to treat eye problems by removing the vitreous, a gel-like substance filling the eye. This allows easier access to the back of the eye for treatment. It helps improve or stabilize vision.

This service was performed 85 times for 50 patients

Removal of recurring cataract in lens capsule using a laser

This procedure, known as YAG laser capsulotomy, treats cloudiness in the lens capsule following cataract surgery. A laser is used to create a small hole in the cloudy capsule, allowing light to pass through and restore clear vision. It's a quick, painless procedure.

This service was performed 58 times for 51 patients

Repair of eyelid lining with graft from external eye

This procedure involves fixing the inner lining of your eyelid. A graft, or a piece of tissue, from the external part of your eye is used for repair. It helps restore normal eyelid function and appearance.

This service was performed 18 times for 11 patients

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
05D2126291
Facility Type
Ambulatory Surgery Center
Certificate Effective Date
February 23, 2025
Certificate Expiration Date
February 22, 2027
Laboratory Director
RAID, PHILLIP DOSS, MD
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Alliance Surgery Partners, 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.

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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 1972055382, 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
9
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
2
Unchanged
Pos 5
0
Doubled → 0
Pos 6
5
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
3
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
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 7 → 14 → 5 0 → 0 5 → 10 → 1 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 4 + 2 + 0 + 5 + 1 + 0 + 3 + 1 + 6 + 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 1972055382.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1972055382, enumerated as an "organization" on November 02, 2016.

The provider is located at 1828 E CESAR CHAVEZ AVE LOS ANGELES, CA 90033 and the phone number is (323) 263-6774.

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