CASEY BERMACK MD PHD
NPI 1588125199
Internal Medicine - Medical Oncology in Foster City, CA
NPI Status: Active since March 27, 2019
Contact Information
333 LAKESIDE DR
FOSTER CITY, CA
ZIP 94404
Phone: (650) 574-3000
- Individual
- Female
- Internal Medicine
- Medical Oncology
About CASEY BERMACK
This page provides the complete NPI Profile along with additional information for Casey Bermack, an internist established in Foster City, California with a medical specialization in Internal Medicine, focusing in medical oncology . The healthcare provider is registered in the NPI registry with number 1588125199 assigned on March 2019. The practitioner's primary taxonomy code is 207RX0202X with license number V8941 (TX). The provider is registered as an individual and her NPI record was last updated April 2026.
- NPI
- 1588125199
- Provider Name
- CASEY BERMACK MD PHD
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 333 LAKESIDE DR FOSTER CITY, CA 94404
- Location Phone
- (650) 574-3000
- Mailing Address
- 413 36TH AVE SAN MATEO, CA 94403
- Mailing Phone
- (407) 617-5442
- Is Sole Proprietor?
- No
- Enumeration Date
- 03-27-2019
- Last Update Date
- 04-10-2026
- Code Navigator
An internist like Casey Bermack 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 Medical Oncology
- Taxonomy Code
- 207RX0202X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- V8941
- License State
- TX
- Taxonomy Description
- An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
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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 1588125199, 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 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 61 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 11 providers are registered at the same or a nearby location.
FOSTER CITY, CA 94404
FOSTER CITY, CA 94404
FOSTER CITY, CA 94404
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1588125199, enumerated as an "individual" on March 27, 2019.
The provider is located at 333 LAKESIDE DR FOSTER CITY, CA 94404 and the phone number is (650) 574-3000.
Internal Medicine with taxonomy code 207RX0202X and a focus in Medical Oncology.
