ADVANCED ENDOSCOPY CENTER-GASTROENTEROLOGY
NPI 1366857377
Clinic/Center - Ambulatory Surgical in Murrieta, CA

NPI Status: Active since June 27, 2014

Contact Information

25495 MEDICAL CENTER DR
SUITE 307
MURRIETA, CA
ZIP 92562
Phone: (951) 304-3900
Fax: (951) 304-3901

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  • Organization
  • Clinic/Center
  • Ambulatory Surgical
  • CLIA Number: 05D2107998
  • CLIA Cert. Type: Ambulatory Surgery Center
  • CLIA Exp. Date: 01-25-2028

About ADVANCED ENDOSCOPY CENTER-GASTROENTEROLOGY

This page provides the complete NPI Profile along with additional information for Advanced Endoscopy Center-gastroenterology, a provider established in Murrieta, California operating as a Clinic/center, focusing in ambulatory surgical . The healthcare provider is registered in the NPI registry with number 1366857377 assigned on June 2014. The practitioner's primary taxonomy code is 261QA1903X with license number 543686 (CA). The provider is registered as an organization and their NPI record was last updated 10 years ago. The provider's is doing business as Advanced Endoscopy Center-gastroenterology. The authorized official of this NPI record is Dr. Sreenivasa Rao Nakka M.d. (Owner/president)

NPI
1366857377
Provider Legal Name
SR NAKKA MD
Other Organization Name
ADVANCED ENDOSCOPY CENTER-GASTROENTEROLOGY
Other Name Type
Doing Business As (3)
Entity Type
Organization
Location Address
25495 MEDICAL CENTER DR SUITE 307 MURRIETA, CA 92562
Location Phone
(951) 304-3900
Location Fax
(951) 304-3901
Mailing Address
949 CALHOUN PL SUITE A HEMET, CA 92543
Mailing Phone
(951) 929-1177
Mailing Fax
(951) 304-3901
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
06-27-2014
Last Update Date
01-12-2016
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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
License No.
543686
License State
CA

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. SREENIVASA RAO NAKKA M.D.

Authorized Official Title
OWNER/PRESIDENT
Authorized Official Phone
(951) 929-1177

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.

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

This service was performed 52 times for 51 patients

Biopsy of large bowel using a flexible endoscope

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

This service was performed 59 times for 59 patients

Diagnostic exam of large bowel using a flexible endoscope

This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.

This service was performed 14 times for 14 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

This service was performed 24 times for 24 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
05D2107998
Facility Type
Ambulatory Surgery Center
Certificate Effective Date
January 26, 2026
Certificate Expiration Date
January 25, 2028
Laboratory Director
SREENIVASA R. NAKKA, MD
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Advanced Endoscopy Center-gastroenterology 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 1366857377, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

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
3
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
6
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
5
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
3
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
7
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 6 → 12 → 3 8 → 16 → 7 7 → 14 → 5 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 1 + 2 + 6 + 1 + 6 + 5 + 1 + 4 + 3 + 1 + 4 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1366857377.

Other Providers at the Same Location


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

Urology
25495 MEDICAL CENTER DR, SUITE 204
MURRIETA, CA 92562
Urology
25495 MEDICAL CENTER DR, STE 204
MURRIETA, CA 92562
Family Medicine
25495 MEDICAL CENTER DR, SUITE 301
MURRIETA, CA 92562
Anesthesiology (Pain Medicine)
25495 MEDICAL CENTER DR, SUITE 102
MURRIETA, CA 92562
Anesthesiology
25495 MEDICAL CENTER DR, STE 101
MURRIETA, CA 92562
Clinic/Center (Pain)
25495 MEDICAL CENTER DR, SUITE 102
MURRIETA, CA 92562
Clinic/Center (Pain)
25495 MEDICAL CENTER DR, STE 102
MURRIETA, CA 92562
Non-Pharmacy Dispensing Site
25495 MEDICAL CENTER DR, SUITE 305
MURRIETA, CA 92562
Anesthesiology
25495 MEDICAL CENTER DR, SUITE 102
MURRIETA, CA 92562
Clinic/Center (Primary Care)
25495 MEDICAL CENTER DR, SUITE 305
MURRIETA, CA 92562
Obstetrics & Gynecology
25495 MEDICAL CENTER DR, SUITE 300
MURRIETA, CA 92562
Anesthesiology
25495 MEDICAL CENTER DR, STE 101
MURRIETA, CA 92562
Nurse Anesthetist, Certified Registered
25495 MEDICAL CENTER DR
MURRIETA, CA 92562
Anesthesiology
25495 MEDICAL CENTER DR, SUITE 101
MURRIETA, CA 92562
Urology
25495 MEDICAL CENTER DR, 204
MURRIETA, CA 92562
Anesthesiology
25495 MEDICAL CENTER DR, #101
MURRIETA, CA 92562
Physician Assistant
25495 MEDICAL CENTER DR, STE 204
MURRIETA, CA 92562
Physician Assistant
25495 MEDICAL CENTER DR, SUITE 102
MURRIETA, CA 92562
Anesthesiology (Pain Medicine)
25495 MEDICAL CENTER DR, SUITE 102
MURRIETA, CA 92562
Anesthesiology (Pain Medicine)
25495 MEDICAL CENTER DR, SUITE 102
MURRIETA, CA 92562

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1366857377, enumerated as an "organization" on June 27, 2014.

The provider is located at 25495 MEDICAL CENTER DR SUITE 307 MURRIETA, CA 92562 and the phone number is (951) 304-3900.

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