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UNIVERSITY OF CALIFORNIA SAN FRANCISCO
NPI 1992818256
Clinic/Center - End-Stage Renal Disease (ESRD) Treatment in San Francisco, CA

NPI Status: Active since August 17, 2006

Contact Information

1675 SCOTT ST
SAN FRANCISCO, CA
ZIP 94143
Phone: (415) 885-7421
Fax: (415) 885-7396

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Table of Contents

  1. NPI Profile Information
  2. Primary Taxonomy
  3. Authorized Official
  4. NPI Validation
  5. Frequently Asked Questions
  • Organization
  • Clinic/Center
  • End-Stage Renal Disease (ESRD) Treatment

About UNIVERSITY OF CALIFORNIA SAN FRANCISCO

This page provides the complete NPI Profile along with additional information for University Of California San Francisco, a provider established in San Francisco, California operating as a Clinic/center, focusing in end-stage renal disease (esrd) treatment . The healthcare provider is registered in the NPI registry with number 1992818256 assigned on August 2006. The practitioner's primary taxonomy code is 261QE0700X with license number 220000091 (CA). The provider is registered as an organization and their NPI record was last updated one year ago. The provider's . The authorized official of this NPI record is Mr. Suresh Gunasekaran (President / Chief Executive Officer)

NPI
1992818256
Provider Legal Name
UNIVERSITY OF CALIFORNIA SAN FRANCISCO
Other Organization Name
Other Name Type
(6)
Entity Type
Organization
Location Address
1675 SCOTT ST SAN FRANCISCO, CA 94143
Location Phone
(415) 885-7421
Location Fax
(415) 885-7396
Mailing Address
505 PARNASSUS AVE PO BOX 0810 SAN FRANCISCO, CA 94143
Mailing Phone
(415) 353-2733
Mailing Fax
(415) 885-7396
Is Sole Proprietor?
No
Is Organization Subpart?
Yes
Enumeration Date
08-17-2006
Last Update Date
10-28-2025
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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 End-Stage Renal Disease (ESRD) Treatment

Taxonomy Code
261QE0700X
Type
Ambulatory Health Care Facilities
License No.
220000091
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

MR. SURESH GUNASEKARAN

Authorized Official Title
PRESIDENT / CHIEF EXECUTIVE OFFICER
Authorized Official Phone
(415) 353-2733

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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 1992818256, we treat the final digit (6) 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).

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
9
Doubled → 18 → 1 + 8
Pos 4
2
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
1
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
2
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
6
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 8 → 16 → 7 8 → 16 → 7 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 8 + 2 + 1 + 6 + 1 + 1 + 6 + 2 + 1 + 0 + 24 = 64

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

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1992818256.

Frequently Asked Questions

What is UNIVERSITY OF CALIFORNIA SAN FRANCISCO's NPI number?

The NPI number assigned to this healthcare provider is 1992818256, enumerated as an "organization" on August 17, 2006.

Where is the provider located?

The provider is located at 1675 SCOTT ST SAN FRANCISCO, CA 94143 and the phone number is (415) 885-7421.

What is the provider's specialty?

Clinic/Center with taxonomy code 261QE0700X and a focus in End-Stage Renal Disease (ESRD) Treatment.