OLIVER C TSAI M.D.
NPI 1306828272
Internal Medicine - Geriatric Medicine in West Covina, CA
NPI Status: Active since November 16, 2005
Contact Information
1433 W MERCED AVE
SUITE 308
WEST COVINA, CA
ZIP 91790
Phone: (626) 962-3584
Fax: (626) 962-3261
- Individual
- Male
- Internal Medicine
- Geriatric Medicine
About OLIVER TSAI
This page provides the complete NPI Profile along with additional information for Oliver Tsai, an internist established in West Covina, California with a medical specialization in Internal Medicine, focusing in geriatric medicine . The healthcare provider is registered in the NPI registry with number 1306828272 assigned on November 2005. The practitioner's primary taxonomy code is 207RG0300X with license number A49033 (CA). The provider is registered as an individual and his NPI record was last updated 19 years ago.
- NPI
- 1306828272
- Provider Name
- OLIVER C TSAI M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 1433 W MERCED AVE SUITE 308 WEST COVINA, CA 91790
- Location Phone
- (626) 962-3584
- Location Fax
- (626) 962-3261
- Mailing Address
- 1433 W MERCED AVE SUITE 308 WEST COVINA, CA 91790
- Mailing Phone
- (626) 962-3584
- Mailing Fax
- (626) 962-3261
- Is Sole Proprietor?
- No
- Enumeration Date
- 11-16-2005
- Last Update Date
- 07-08-2007
- Code Navigator
An internist like Oliver Tsai is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.
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
Internal Medicine Geriatric Medicine
- Taxonomy Code
- 207RG0300X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- A49033
- License State
- CA
- Taxonomy Description
- An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.
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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 1306828272, 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.
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 58 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.
WEST COVINA, CA 91790
WEST COVINA, CA 91790
WEST COVINA, CA 91790
WEST COVINA, CA 91790
WEST COVINA, CA 91790
WEST COVINA, CA 91790
WEST COVINA, CA 91790
WEST COVINA, CA 91790
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1306828272, enumerated as an "individual" on November 16, 2005.
The provider is located at 1433 W MERCED AVE SUITE 308 WEST COVINA, CA 91790 and the phone number is (626) 962-3584.
Internal Medicine with taxonomy code 207RG0300X and a focus in Geriatric Medicine.
