PHILIP FAI PETERSEN MD, PHD
NPI 1538797543
Pathology - Clinical Pathology in Los Angeles, CA
NPI Status: Active since March 27, 2020
Contact Information
1200 N STATE ST
SUITE A7D, CLINIC TOWER
LOS ANGELES, CA
ZIP 90033
Phone: (626) 991-8927
- Individual
- Male
- Pathology
- Clinical Pathology
About PHILIP PETERSEN
This page provides the complete NPI Profile along with additional information for Philip Petersen, a provider established in Los Angeles, California with a medical specialization in Pathology, focusing in clinical pathology . The healthcare provider is registered in the NPI registry with number 1538797543 assigned on March 2020. The practitioner's primary taxonomy code is 207ZC0006X with license number 189962 (CA). The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1538797543
- Provider Name
- PHILIP FAI PETERSEN MD, PHD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 1200 N STATE ST SUITE A7D, CLINIC TOWER LOS ANGELES, CA 90033
- Location Phone
- (626) 991-8927
- Mailing Address
- 1200 N STATE ST SUITE A7D, CLINIC TOWER LOS ANGELES, CA 90033
- Mailing Phone
- (626) 991-8927
- Is Sole Proprietor?
- No
- Enumeration Date
- 03-27-2020
- Last Update Date
- 11-07-2025
- 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
Pathology Clinical Pathology
- Taxonomy Code
- 207ZC0006X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 189962
- License State
- CA
- Taxonomy Description
- A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
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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 1538797543, we treat the final digit (3) 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 77. The final step is to find the difference between that total and the next multiple of ten (80 - 77 = 3).
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 77 is 80. 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.
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1538797543, enumerated as an "individual" on March 27, 2020.
The provider is located at 1200 N STATE ST SUITE A7D, CLINIC TOWER LOS ANGELES, CA 90033 and the phone number is (626) 991-8927.
Pathology with taxonomy code 207ZC0006X and a focus in Clinical Pathology.
