OCCUPATIONAL HEALTH CENTERS OF CALIFORNIA, A MEDICAL CORPORATION
NPI 1669764312
Clinic/Center - Occupational Medicine in San Francisco, CA
NPI Status: Active since May 12, 2011
Contact Information
26 CALIFORNIA ST
SAN FRANCISCO, CA
ZIP 94111
Phone: (415) 781-7077
Fax: (415) 781-7099
- Organization
- Clinic/Center
- Occupational Medicine
About OCCUPATIONAL HEALTH CENTERS OF CALIFORNIA, A MEDICAL CORPORATION
This page provides the complete NPI Profile along with additional information for Occupational Health Centers Of California, A Medical Corporation, a provider established in San Francisco, California operating as a Clinic/center, focusing in occupational medicine . The healthcare provider is registered in the NPI registry with number 1669764312 assigned on May 2011. The practitioner's primary taxonomy code is 261QX0100X. The provider is registered as an organization and their NPI record was last updated one year ago. The provider's
- NPI
- 1669764312
- Provider Legal Name
- OCCUPATIONAL HEALTH CENTERS OF CALIFORNIA, A MEDICAL CORPORATION
- Other Organization Name
- Other Name Type
- (6)
- Entity Type
- Organization
- Location Address
- 26 CALIFORNIA ST SAN FRANCISCO, CA 94111
- Location Phone
- (415) 781-7077
- Location Fax
- (415) 781-7099
- Mailing Address
- 5080 SPECTRUM DRIVE SUITE 1200 WEST ADDISON, TX 75001
- Mailing Phone
- (972) 364-8000
- Mailing Fax
- (415) 781-7099
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 05-12-2011
- Last Update Date
- 06-20-2025
- Code Navigator
Location Map
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 Occupational Medicine
- Taxonomy Code
- 261QX0100X
- Type
- Ambulatory Health Care Facilities
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) |
|---|---|---|---|---|
| 1 | 261Q00000X | Ambulatory Health Care Facilities | Clinic/Center | |
| 2 | 261QH0100X | Ambulatory Health Care Facilities | Clinic/Center | |
| 3 | 261QP2000X | Ambulatory Health Care Facilities | Clinic/Center |
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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 1669764312, 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 68 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 3 providers are registered at the same or a nearby location.
SAN FRANCISCO, CA 94111
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1669764312, enumerated as an "organization" on May 12, 2011.
The provider is located at 26 CALIFORNIA ST SAN FRANCISCO, CA 94111 and the phone number is (415) 781-7077.
Clinic/Center with taxonomy code 261QX0100X and a focus in Occupational Medicine.
