HOAG ENDOSCOPY CENTER
NPI 1053557918
Clinic/Center - Endoscopy in Newport Beach, CA

NPI Status: Active since December 24, 2008

Contact Information

500 SUPERIOR AVE
SUITE 120
NEWPORT BEACH, CA
ZIP 92663
Phone: (949) 722-9600
Fax: (949) 722-0600

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  • Organization
  • Clinic/Center
  • Endoscopy
  • CLIA Number: 05D2035086
  • CLIA Cert. Type: Ambulatory Surgery Center
  • CLIA Exp. Date: 01-09-2028

About HOAG ENDOSCOPY CENTER

This page provides the complete NPI Profile along with additional information for Hoag Endoscopy Center, a provider established in Newport Beach, California operating as a Clinic/center, focusing in endoscopy . The healthcare provider is registered in the NPI registry with number 1053557918 assigned on December 2008. The practitioner's primary taxonomy code is 261QE0800X. The provider is registered as an organization and their NPI record was last updated 17 years ago. The authorized official of this NPI record is Patricia Tsai Md (Chairman Board Of Governors)

NPI
1053557918
Provider Name
HOAG ENDOSCOPY CENTER
Entity Type
Organization
Location Address
500 SUPERIOR AVE SUITE 120 NEWPORT BEACH, CA 92663
Location Phone
(949) 722-9600
Location Fax
(949) 722-0600
Mailing Address
500 SUPERIOR AVE SUITE 120 NEWPORT BEACH, CA 92663
Mailing Phone
(949) 722-9600
Mailing Fax
(949) 722-0600
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
12-24-2008
Last Update Date
12-24-2008
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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 Endoscopy

Taxonomy Code
261QE0800X
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

PATRICIA TSAI MD

Authorized Official Title
CHAIRMAN BOARD OF GOVERNORS
Authorized Official Phone
(949) 650-4630

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
05D2035086
Facility Type
Ambulatory Surgery Center
Certificate Effective Date
January 10, 2026
Certificate Expiration Date
January 09, 2028
Laboratory Director
DONALD ABRAHM
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Hoag Endoscopy Center 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 1053557918, we treat the final digit (8) 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 52. The final step is to find the difference between that total and the next multiple of ten (60 - 52 = 8).

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

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 1 + 0 + 3 + 1 + 0 + 5 + 1 + 4 + 9 + 2 + 24 = 52

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

The next multiple of ten after 52 is 60. The difference is the calculated check digit.

60 - 52 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1053557918.

Other Providers at the Same Location


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

Pediatrics
500 SUPERIOR AVE
NEWPORT BEACH, CA 92663
Psychiatry & Neurology (Neurology)
500 SUPERIOR AVE, SUITE 305
NEWPORT BEACH, CA 92663
Clinic/Center
500 SUPERIOR AVE, SUITE 150
NEWPORT BEACH, CA 92663
Clinic/Center (Ambulatory Surgical)
500 SUPERIOR AVE, SUITE 120
NEWPORT BEACH, CA 92663
Internal Medicine
500 SUPERIOR AVE, SUITE 135
NEWPORT BEACH, CA 92663
Obstetrics & Gynecology
500 SUPERIOR AVE, SUITE 310
NEWPORT BEACH, CA 92663
Nurse Practitioner (Obstetrics & Gynecology)
500 SUPERIOR AVE, SUITE 310
NEWPORT BEACH, CA 92663
Nurse Practitioner (Obstetrics & Gynecology)
500 SUPERIOR AVE, SUITE 310
NEWPORT BEACH, CA 92663
Psychiatry & Neurology (Neurology)
500 SUPERIOR AVE, SUITE 305
NEWPORT BEACH, CA 92663
Internal Medicine
500 SUPERIOR AVE, SUITE 100
NEWPORT BEACH, CA 92663
Dermatology
500 SUPERIOR AVE, STE 335
NEWPORT BEACH, CA 92663
Dermatology
500 SUPERIOR AVE, STE 335
NEWPORT BEACH, CA 92663
Plastic Surgery
500 SUPERIOR AVE, 340
NEWPORT BEACH, CA 92663
Plastic Surgery
500 SUPERIOR AVE, STE 340
NEWPORT BEACH, CA 92663
Clinical Medical Laboratory
500 SUPERIOR AVE, SUITE 210
NEWPORT BEACH, CA 92663
Obstetrics & Gynecology
500 SUPERIOR AVE, SUITE 330
NEWPORT BEACH, CA 92663
Marriage & Family Therapist
500 SUPERIOR AVE
NEWPORT BEACH, CA 92663
Nurse Practitioner
500 SUPERIOR AVE
NEWPORT BEACH, CA 92663
Nurse Practitioner (Family)
500 SUPERIOR AVE
NEWPORT BEACH, CA 92663
Nurse Practitioner (Adult Health)
500 SUPERIOR AVE
NEWPORT BEACH, CA 92663

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1053557918, enumerated as an "organization" on December 24, 2008.

The provider is located at 500 SUPERIOR AVE SUITE 120 NEWPORT BEACH, CA 92663 and the phone number is (949) 722-9600.

Clinic/Center with taxonomy code 261QE0800X and a focus in Endoscopy.