EAST VALLEY OUTPATIENT SURGERY, LLC
NPI 1851946875
Clinic/Center - Ambulatory Surgical in Mesa, AZ

NPI Status: Active since August 06, 2019

Contact Information

5620 E BROADWAY RD
MESA, AZ
ZIP 85206
Phone: (480) 981-6111

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  • Organization
  • Clinic/Center
  • Ambulatory Surgical
  • CLIA Number: 03D2173653
  • CLIA Cert. Type: Ambulatory Surgery Center
  • CLIA Exp. Date: 10-15-2027

About EAST VALLEY OUTPATIENT SURGERY, LLC

This page provides the complete NPI Profile along with additional information for East Valley Outpatient Surgery, Llc, a provider established in Mesa, Arizona operating as a Clinic/center, focusing in ambulatory surgical . The healthcare provider is registered in the NPI registry with number 1851946875 assigned on August 2019. The practitioner's primary taxonomy code is 261QA1903X. The provider is registered as an organization and their NPI record was last updated 7 years ago. The authorized official of this NPI record is Warren Hill Md (Authorized Official)

NPI
1851946875
Provider Name
EAST VALLEY OUTPATIENT SURGERY, LLC
Entity Type
Organization
Location Address
5620 E BROADWAY RD MESA, AZ 85206
Location Phone
(480) 981-6111
Mailing Address
5620 E BROADWAY RD STE 102 MESA, AZ 85206
Mailing Phone
(480) 981-6111
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
08-06-2019
Last Update Date
10-08-2019
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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

WARREN HILL MD

Authorized Official Title
AUTHORIZED OFFICIAL
Authorized Official Phone
(480) 981-6111

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 tracts in iris using a laser, per session

This procedure uses a laser to create small drainage tracts in the iris, the colored part of your eye. This helps excess fluid escape, reducing pressure in the eye that can cause glaucoma. It's performed in sessions.

This service was performed 24 times for 17 patients

Extracapsular removal of cataract with insertion of artificial lens and insertion of drainage device in front chamber of eye

This is a two-part eye procedure. First, a cloudy lens (cataract) is removed from its outer layer and replaced with an artificial lens to improve vision. Second, a drainage device is inserted into the front part of the eye to manage fluid levels, preventing pressure build-up.

This service was performed 58 times for 33 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 122 times for 75 patients

Processing, preserving and transporting corneal tissue

Processing, preserving, and transporting corneal tissue involve careful steps to ensure its viability for transplantation. The tissue is first cleaned, then preserved in a special solution. It's packed in a temperature-controlled container for safe transport to its destination.

This service was performed 18 times for 18 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 505 times for 311 patients

Removal of growth of cornea

The removal of a corneal growth is a procedure to eliminate abnormal tissue from the cornea, the clear front surface of the eye. This can help improve vision and alleviate discomfort. The process is typically performed by an ophthalmologist under local anesthesia.

This service was performed 20 times for 18 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 221 times for 167 patients

Transplantation of outer layer of corneal tissue

The transplantation of the outer layer of corneal tissue is a procedure to replace damaged or diseased corneal tissue with healthy tissue from a donor. This can improve vision and alleviate pain or discomfort.

This service was performed 17 times for 17 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
03D2173653
Facility Type
Ambulatory Surgery Center
Certificate Effective Date
October 16, 2025
Certificate Expiration Date
October 15, 2027
Laboratory Director
YURI MCKEE
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to East Valley Outpatient Surgery, 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 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 1851946875, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).

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
5
Doubled → 10 → 1 + 0
Pos 4
1
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
4
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
8
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
5
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 9 → 18 → 9 6 → 12 → 3 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 0 + 1 + 1 + 8 + 4 + 1 + 2 + 8 + 1 + 4 + 24 = 65

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

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1851946875.

Other Providers at the Same Location


The following 6 providers are registered at the same or a nearby location.

Ophthalmology
5620 E BROADWAY RD
MESA, AZ 85206
Ophthalmology
5620 E BROADWAY RD
MESA, AZ 85206
Ophthalmology
5620 E BROADWAY RD
MESA, AZ 85206
Ophthalmology
5620 E BROADWAY RD
MESA, AZ 85206
Ophthalmology
5620 E BROADWAY RD
MESA, AZ 85206
Optometrist
5620 E BROADWAY RD
MESA, AZ 85206

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1851946875, enumerated as an "organization" on August 06, 2019.

The provider is located at 5620 E BROADWAY RD MESA, AZ 85206 and the phone number is (480) 981-6111.

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