CITY & COUNTY OF SAN FRANCISCO
NPI 1972029312
Clinic/Center in San Francisco, CA

NPI Status: Active since August 17, 2017

Contact Information

2500 18TH ST
SAN FRANCISCO, CA
ZIP 94110
Phone: (415) 546-6756

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  • Organization
  • Clinic/Center

About CITY & COUNTY OF SAN FRANCISCO

This page provides the complete NPI Profile along with additional information for City & County Of San Francisco, a provider established in San Francisco, California operating as a Clinic/center. The healthcare provider is registered in the NPI registry with number 1972029312 assigned on August 2017. The practitioner's primary taxonomy code is 261Q00000X. 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 Timothy Arnold (Deputy Director, Pfs)

NPI
1972029312
Provider Legal Name
CITY & COUNTY OF SAN FRANCISCO
Other Organization Name
Other Name Type
(6)
Entity Type
Organization
Location Address
2500 18TH ST SAN FRANCISCO, CA 94110
Location Phone
(415) 546-6756
Mailing Address
1001 PORTRERO AVE SAN FRANCISCO, CA 94110
Mailing Phone
(415) 759-4067
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
08-17-2017
Last Update Date
07-01-2025
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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

Taxonomy Code
261Q00000X
Type
Ambulatory Health Care Facilities
Taxonomy Description
A facility or distinct part of one used for the diagnosis and treatment of outpatients. Clinic/Center is irregularly defined, sometimes being limited to organizations serving specialized treatment requirements or distinct patient/client groups (e.g., radiology, poor, and public health).

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1261QF0050XAmbulatory Health Care Facilities

Clinic/Center
Family Planning, Non-Surgical

 

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

TIMOTHY ARNOLD

Authorized Official Title
DEPUTY DIRECTOR, PFS
Authorized Official Phone
(415) 759-3351

Reviews for CITY & COUNTY OF SAN FRANCISCO

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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 1972029312, we treat the final digit (2) 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 58. The final step is to find the difference between that total and the next multiple of ten (60 - 58 = 2).

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

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 4 + 2 + 0 + 2 + 1 + 8 + 3 + 2 + 24 = 58

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

The next multiple of ten after 58 is 60. The difference is the calculated check digit.

60 - 58 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1972029312.

Other Providers at the Same Location


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

Case Management
2500 18TH ST
SAN FRANCISCO, CA 94110
Counselor (Addiction (Substance Use Disorder))
2500 18TH ST
SAN FRANCISCO, CA 94110
Case Manager/Care Coordinator
2500 18TH ST
SAN FRANCISCO, CA 94110
Case Manager/Care Coordinator
2500 18TH ST
SAN FRANCISCO, CA 94110
Case Manager/Care Coordinator
2500 18TH ST
SAN FRANCISCO, CA 94110
Case Manager/Care Coordinator
2500 18TH ST
SAN FRANCISCO, CA 94110
Case Manager/Care Coordinator
2500 18TH ST
SAN FRANCISCO, CA 94110
Case Management
2500 18TH ST
SAN FRANCISCO, CA 94110
Social Worker
2500 18TH ST
SAN FRANCISCO, CA 94110
Counselor (Addiction (Substance Use Disorder))
2500 18TH ST
SAN FRANCISCO, CA 94110
Counselor (Addiction (Substance Use Disorder))
2500 18TH ST
SAN FRANCISCO, CA 94110
Case Manager/Care Coordinator
2500 18TH ST
SAN FRANCISCO, CA 94110
Marriage & Family Therapist
2500 18TH ST
SAN FRANCISCO, CA 94110
Social Worker (Clinical)
2500 18TH ST
SAN FRANCISCO, CA 94110
Counselor
2500 18TH ST
SAN FRANCISCO, CA 94110
Marriage & Family Therapist
2500 18TH ST
SAN FRANCISCO, CA 94110
Social Worker
2500 18TH ST
SAN FRANCISCO, CA 94110
Counselor (Mental Health)
2500 18TH ST
SAN FRANCISCO, CA 94110
Community Health Worker
2500 18TH ST
SAN FRANCISCO, CA 94110
Community Health Worker
2500 18TH ST
SAN FRANCISCO, CA 94110

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1972029312, enumerated as an "organization" on August 17, 2017.

The provider is located at 2500 18TH ST SAN FRANCISCO, CA 94110 and the phone number is (415) 546-6756.

Clinic/Center with taxonomy code 261Q00000X.