SAN FRANCISCO SURGICAL MEDIAL GROUP
NPI 1518997311
Colon & Rectal Surgery in San Francisco, CA
NPI Status: Active since July 04, 2006
Contact Information
3838 CALIFORNIA ST
SUITE 616
SAN FRANCISCO, CA
ZIP 94118
Phone: (415) 668-0411
Fax: (415) 668-6352
NPPES record last updated: October 14, 2020. Verified against the NPPES registry weekly; last sync: July 12, 2026.
Record update history: Oct 14, 2020, Jun 4, 2019 (2 updates tracked since 2019).
- Organization
- Colon & Rectal Surgery
About SAN FRANCISCO SURGICAL MEDIAL GROUP
This page provides the complete NPI Profile along with additional information for San Francisco Surgical Medial Group, a provider established in San Francisco, California operating as a Colon & Rectal Surgery. The healthcare provider is registered in the NPI registry with number 1518997311 assigned on July 2006. The practitioner's primary taxonomy code is 208C00000X with license number C25582 (CA). The provider is registered as an organization and their NPI record was last updated 6 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The provider's is doing business as San Francisco Surgical Medial Group. The authorized official of this NPI record is Anne Odonoghue (Executive Director)
- NPI
- 1518997311
- Provider Legal Name
- SAN FRANCISCO SURGICAL
- Other Organization Name
- SAN FRANCISCO SURGICAL MEDIAL GROUP
- Other Name Type
- Doing Business As (3)
- Entity Type
- Organization
- Location Address
- 3838 CALIFORNIA ST SUITE 616 SAN FRANCISCO, CA 94118
- Location Phone
- (415) 668-0411
- Location Fax
- (415) 668-6352
- Mailing Address
- 3838 CALIFORNIA ST SUITE 616 SAN FRANCISCO, CA 94118
- Mailing Phone
- (415) 668-0411
- Mailing Fax
- (415) 668-6352
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 07-04-2006
- Last Update Date
- 10-14-2020
- 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
Colon & Rectal Surgery
- Taxonomy Code
- 208C00000X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- C25582
- License State
- CA
- Taxonomy Description
- A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.
Group Taxonomy 193400000X SINGLE SPECIALTY GROUP
This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.
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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 1518997311, we treat the final digit (1) 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 1).
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 69 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
SAN FRANCISCO, CA 94118
SAN FRANCISCO, CA 94118
SAN FRANCISCO, CA 94118
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1518997311, enumerated as an "organization" on July 04, 2006.
The provider is located at 3838 CALIFORNIA ST SUITE 616 SAN FRANCISCO, CA 94118 and the phone number is (415) 668-0411.
Colon & Rectal Surgery with taxonomy code 208C00000X.
