MASON H. PHAN – NPI #1639757032
Radiology
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
MASON PHAN is a radiologist located in LOMA LINDA, CA. NPPES has assigned the NPI number 1639757032 to MASON PHAN on March 29, 2021. It is a Type-1 NPI, indicating this NPI number is associated with an individual. According to the NPI Registry, there are 2 additional location(s) assigned to this provider which are listed below. The primary taxonomy selected by this provider is 2085R0202X from the Health Care Provider Taxonomy code set, which is classified as Radiology, specializing in Diagnostic Radiology
The NPI profile was last updated on Feb 11, 2026. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for MASON PHAN below.
NPI Profile for
MASON H. PHAN
(more than 5 years ago)
WESTERLY C
LOMA LINDA, CA 92354 Phone: (909) 558-4000 Fax:
2 Other location(s):
Orange, CA 92868-3201
Phone: (714) 456-8888
Riverside, CA 92501-4135
Phone: (951) 788-3274
Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.
A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.
| Taxonomy Classification / Specialization | State | License |
|---|---|---|
| 2085R0202X - Radiology / Diagnostic Radiology (Primary) |
CA | A182123 |
The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.