JOHN MORGAN MASON DO
NPI 1467039651
Psychiatry & Neurology - Neurology in Los Angeles, CA
About John Morgan Mason Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN MORGAN MASON DO (NPI 1467039651) is an individual neurology provider in Los Angeles, California, licensed in California (20A23754) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS, maintains a secondary practice location in West Hollywood, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
John Morgan Mason Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90048 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOS ANGELES, CA 90048
LOS ANGELES, CA 90048
LOS ANGELES, CA 90048
LOS ANGELES, CA 90048
LOS ANGELES, CA 90048
LOS ANGELES, CA 90048
LOS ANGELES, CA 90048
LOS ANGELES, CA 90048
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is John Mason's NPI number?
The NPI number for John Mason is 1467039651. It was assigned to this individual provider in the NPPES registry on March 25, 2021.
Where is John Mason located?
John Mason practices at 127 S San Vicente Blvd Ste A6600, Los Angeles, CA 90048. The listed phone number is (310) 423-6472.
What is John Mason's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is John Mason enrolled in Medicare?
Yes. John Mason is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
When was this NPI record last updated?
The NPPES record for John Mason was last updated on July 23, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.
