KENNETH IAN LIGHT M.D.
NPI 1104900919
Specialist in San Francisco, CA
NPI Status: Active since October 25, 2006
Contact Information
1700 CALIFORNIA ST
SUITE 340
SAN FRANCISCO, CA
ZIP 94109
Phone: (415) 673-4500
- Individual
- Male
- Specialist
- Opted-Out Medicare
About KENNETH LIGHT
This page provides the complete NPI Profile along with additional information for Kenneth Light, a provider established in San Francisco, California with a medical specialization in Specialist. The healthcare provider is registered in the NPI registry with number 1104900919 assigned on October 2006. The practitioner's primary taxonomy code is 174400000X with license number G35263 (). The provider is registered as an individual and his NPI record was last updated 4 years ago. Kenneth Light operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization.
- NPI
- 1104900919
- Provider Name
- KENNETH IAN LIGHT M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 1700 CALIFORNIA ST SUITE 340 SAN FRANCISCO, CA 94109
- Location Phone
- (415) 673-4500
- Mailing Address
- 13847 E 14TH ST STE 118 SAN LEANDRO, CA 94578
- Mailing Phone
- (415) 673-4500
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 10-25-2006
- Last Update Date
- 07-19-2022
- Code Navigator
The provider doesn't accept Medicare and has signed an affidavit to be excluded from the Medicare program. If you are a Medicare beneficiary this means a provider can charge whatever they want for services rendered but must follow certain rules to do so. Kenneth Light opted out of Medicare effective on 07-01-2023 until 07-01-2027. Opt out periods last for two years and cannot be terminated unless the provider is opting out for the very first time and the affidavit is terminated no later than 90 days after the opt out effective date. Opt-out affidavits might renew automatically renew every two years. The provider opted out of Medicare and cannot order and refer services to other healthcare providers.
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
Specialist
- Taxonomy Code
- 174400000X
- Type
- Other Service Providers
- License No.
- G35263
- Taxonomy Description
- An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
Group Taxonomy 193200000X MULTI-SPECIALTY GROUP
This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.
Medicare Participation & PECOS Enrollment Status
What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.
Opted-Out of Medicare? Yes
Opt-Out Effective Date: 07-01-2023
Opt-Out End Date: 07-01-2027
Eligible to Order and Refer? No
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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 1104900919, 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 51. The final step is to find the difference between that total and the next multiple of ten (60 - 51 = 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.
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 51 is 60. 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 94109
SAN FRANCISCO, CA 94109
SAN FRANCISCO, CA 94109
SAN FRANCISCO, CA 94109
SAN FRANCISCO, CA 94109
SAN FRANCISCO, CA 94109
SAN FRANCISCO, CA 94109
SAN FRANCISCO, CA 94109
SAN FRANCISCO, CA 94109
SAN FRANCISCO, CA 94109
SAN FRANCISCO, CA 94109
SAN FRANCISCO, CA 94109
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1104900919, enumerated as an "individual" on October 25, 2006.
The provider is located at 1700 CALIFORNIA ST SUITE 340 SAN FRANCISCO, CA 94109 and the phone number is (415) 673-4500.
Specialist with taxonomy code 174400000X.
