DR. JAMES STEPHEN ROBERT MURPHY M.D.
NPI 1790801355
Radiology - Diagnostic Neuroimaging in Santa Monica, CA
About Dr. James Stephen Robert Murphy M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JAMES STEPHEN ROBERT MURPHY M.D. (NPI 1790801355) is an individual diagnostic neuroimaging provider in Santa Monica, California, licensed in California (A124149) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Georgetown University School Of Medicine (2007).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. James Stephen Robert Murphy M.d. 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.
Medicare Billing Reassignments
17Medicare enrollment records show James Murphy reassigns Medicare billing to 17 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90025
- Reassigned Medicare billing, Tennessee enrollment
- 3 clinicians in this Medicare group
Los Angeles, CA 90025
- Reassigned Medicare billing, California enrollment
- 311 clinicians in this Medicare group
Los Angeles, CA 90048
- Reassigned Medicare billing, California enrollment
- 2,118 clinicians in this Medicare group
Encino, CA 91436
- Reassigned Medicare billing, California enrollment
- 329 clinicians in this Medicare group
Tehachapi, CA 93561
- Reassigned Medicare billing, California and Tennessee enrollments
- Also billed through NPI 1720023997 (Tennessee)
- 252 clinicians in this Medicare group
Palm Desert, CA 92260
- Reassigned Medicare billing, Tennessee enrollment
- 3 clinicians in this Medicare group
Fresno, CA 93710
- Reassigned Medicare billing, Tennessee enrollment
- 2 clinicians in this Medicare group
Modesto, CA 95350
- Reassigned Medicare billing, Tennessee enrollment
- 2 clinicians in this Medicare group
San Jose, CA 95131
- Reassigned Medicare billing, Tennessee enrollment
- 2 clinicians in this Medicare group
Fremont, CA 94538
- Reassigned Medicare billing, Tennessee enrollment
- 3 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 86
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
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.
SANTA MONICA, CA 90404
SANTA MONICA, CA 90404
SANTA MONICA, CA 90404
SANTA MONICA, CA 90404
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 James Murphy's NPI number?
The NPI number for James Murphy is 1790801355. It was assigned to this individual provider in the NPPES registry on March 22, 2007.
Where is James Murphy located?
James Murphy practices at 2428 Santa Monica Blvd, Santa Monica, CA 90404. The listed phone number is (310) 315-1000.
What is James Murphy's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Neuroimaging, with taxonomy code 2085D0003X.
Is James Murphy enrolled in Medicare?
Yes. James Murphy 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.
Which organizations bill Medicare for James Murphy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Murphy reassigns Medicare benefits to 17 organizations: Beverly Radiology Medical Group III (Los Angeles, CA), Pronet Imaging Medical Group, Inc. (Los Angeles, CA), Cedars-Sinai Medical Care Foundation (Los Angeles, CA), San Fernando Valley Interventional Radiology And Imaging Center (Encino, CA), Kern Radiology Medical Group, Inc (Tehachapi, CA) and 12 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for James Murphy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Murphy accept?
Health plans from Imperial Insurance Companies, Inc. list James Murphy as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for James Murphy was last updated on December 6, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.