SAN FRANCISCO SURGERY CENTER, LP
NPI 1790721769
Clinic/Center - Ambulatory Surgical in San Francisco, CA

NPI Status: Active since June 20, 2006

Contact Information

450 SUTTER ST
STE. 500
SAN FRANCISCO, CA
ZIP 94108
Phone: (415) 393-9600
Fax: (415) 393-9633

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  • Organization
  • Clinic/Center
  • Ambulatory Surgical
  • CLIA Number: 05D2241498
  • CLIA Cert. Type: Ambulatory Surgery Center
  • CLIA Exp. Date: 10-27-2027

About SAN FRANCISCO SURGERY CENTER, LP

This page provides the complete NPI Profile along with additional information for San Francisco Surgery Center, Lp, a provider established in San Francisco, California operating as a Clinic/center, focusing in ambulatory surgical . The healthcare provider is registered in the NPI registry with number 1790721769 assigned on June 2006. The practitioner's primary taxonomy code is 261QA1903X. The provider is registered as an organization and their NPI record was last updated 6 years ago. The authorized official of this NPI record is Dr. James L Chen Md (Managing Partner)

NPI
1790721769
Provider Name
SAN FRANCISCO SURGERY CENTER, LP
Entity Type
Organization
Location Address
450 SUTTER ST STE. 500 SAN FRANCISCO, CA 94108
Location Phone
(415) 393-9600
Location Fax
(415) 393-9633
Mailing Address
450 SUTTER ST RM 500 SAN FRANCISCO, CA 94108
Mailing Phone
(415) 393-9600
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
06-20-2006
Last Update Date
09-14-2020
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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

DR. JAMES L CHEN MD

Authorized Official Title
MANAGING PARTNER
Authorized Official Phone
(415) 393-9600

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
05D2241498
Facility Type
Ambulatory Surgery Center
Certificate Effective Date
October 28, 2025
Certificate Expiration Date
October 27, 2027
Laboratory Director
KAREN HORTON
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to San Francisco Surgery Center, Lp 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 1790721769, we treat the final digit (9) 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

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

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 1 + 8 + 0 + 1 + 4 + 2 + 2 + 7 + 1 + 2 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1790721769.

Other Providers at the Same Location


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

Dentist (General Practice)
450 SUTTER ST, SUITE 1330
SAN FRANCISCO, CA 94108
Dermatology
450 SUTTER ST, STE 1306
SAN FRANCISCO, CA 94108
Physical Therapist (Orthopedic)
450 SUTTER ST, SUITE 1038
SAN FRANCISCO, CA 94108
Surgery (Surgery of the Hand)
450 SUTTER ST, SUITE 1533
SAN FRANCISCO, CA 94108
Dentist
450 SUTTER ST, SUITE 2340
SAN FRANCISCO, CA 94108
Podiatrist
450 SUTTER ST, #1101
SAN FRANCISCO, CA 94108
Dermatology
450 SUTTER ST, STE 1306
SAN FRANCISCO, CA 94108
Dentist (General Practice)
450 SUTTER ST, SUITE 2130
SAN FRANCISCO, CA 94108
Otolaryngology
450 SUTTER ST, SUITE 933
SAN FRANCISCO, CA 94108
Dentist
450 SUTTER ST, SUITE 2530
SAN FRANCISCO, CA 94108
Dermatology
450 SUTTER ST, SUITE #830
SAN FRANCISCO, CA 94108
Physical Therapist
450 SUTTER ST, SUITE 2640
SAN FRANCISCO, CA 94108
Ophthalmology
450 SUTTER ST, SUITE 1918
SAN FRANCISCO, CA 94108
Dentist (Oral and Maxillofacial Surgery)
450 SUTTER ST, SUITE 2230
SAN FRANCISCO, CA 94108
Dentist (General Practice)
450 SUTTER ST, SUITE 1839
SAN FRANCISCO, CA 94108
Physical Therapist
450 SUTTER ST, SUITE #2640
SAN FRANCISCO, CA 94108
Dentist (General Practice)
450 SUTTER ST, SUITE 1800
SAN FRANCISCO, CA 94108
Dentist (General Practice)
450 SUTTER ST, STE 1819
SAN FRANCISCO, CA 94108
Dentist (Prosthodontics)
450 SUTTER ST, 2600
SAN FRANCISCO, CA 94108
Dentist
450 SUTTER ST, SUITE 2428
SAN FRANCISCO, CA 94108

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1790721769, enumerated as an "organization" on June 20, 2006.

The provider is located at 450 SUTTER ST STE. 500 SAN FRANCISCO, CA 94108 and the phone number is (415) 393-9600.

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