BALBOA NEPHROLOGY MEDICAL GROUP,INC.
NPI 1598276404
Clinic/Center - Ambulatory Surgical in San Diego, CA

NPI Status: Active since October 18, 2017

Contact Information

6402 EL CAJON BLVD STE 100
SAN DIEGO, CA
ZIP 92115
Phone: (619) 582-4490
Fax: (619) 582-4737

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  • Organization
  • Clinic/Center
  • Ambulatory Surgical
  • CLIA Number: 05D2325709
  • CLIA Cert. Type: Ambulatory Surgery Center
  • CLIA Exp. Date: 06-17-2027

About BALBOA NEPHROLOGY MEDICAL GROUP,INC.

This page provides the complete NPI Profile along with additional information for Balboa Nephrology Medical Group,inc., a provider established in San Diego, California operating as a Clinic/center, focusing in ambulatory surgical . The healthcare provider is registered in the NPI registry with number 1598276404 assigned on October 2017. The practitioner's primary taxonomy code is 261QA1903X. The provider is registered as an organization and their NPI record was last updated January 2026. The provider's . The authorized official of this NPI record is David S Namazy Md (Medical Director & Ao)

NPI
1598276404
Provider Legal Name
BALBOA NEPHROLOGY MEDICAL GROUP,INC.
Other Organization Name
Other Name Type
(6)
Entity Type
Organization
Location Address
6402 EL CAJON BLVD STE 100 SAN DIEGO, CA 92115
Location Phone
(619) 582-4490
Location Fax
(619) 582-4737
Mailing Address
9373 HAZARD WAY STE 200 SAN DIEGO, CA 92123
Mailing Phone
(858) 810-0000
Mailing Fax
(619) 582-4737
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
10-18-2017
Last Update Date
01-16-2026
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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

DAVID S NAMAZY MD

Authorized Official Title
MEDICAL DIRECTOR & AO
Authorized Official Phone
(619) 582-4490

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
05D2325709
Facility Type
Ambulatory Surgery Center
Certificate Effective Date
June 18, 2025
Certificate Expiration Date
June 17, 2027
Laboratory Director
DAVID S. NAMAZY
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Balboa Nephrology Medical Group,inc. 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 1598276404, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 8 + 8 + 4 + 7 + 1 + 2 + 4 + 0 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1598276404.

Other Providers at the Same Location


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

Clinic/Center (Ambulatory Surgical)
6402 EL CAJON BLVD STE 100
SAN DIEGO, CA 92115
Internal Medicine (Nephrology)
6402 EL CAJON BLVD STE 100
SAN DIEGO, CA 92115

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1598276404, enumerated as an "organization" on October 18, 2017.

The provider is located at 6402 EL CAJON BLVD STE 100 SAN DIEGO, CA 92115 and the phone number is (619) 582-4490.

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