DR. JAMES STEPHEN ROBERT MURPHY M.D.
NPI 1790801355
Radiology - Diagnostic Neuroimaging in Santa Monica, CA

Active since March 22, 2007PECOS EnrolledAccepts Medicare Assignment
2428 SANTA MONICA BLVD, SANTA MONICA, CA 90404(310) 315-1000 Get Directions Write a Review

NPPES record last updated: December 6, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Dec 6, 2022, Jul 19, 2018 (2 updates tracked since 2018).

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

NPI1790801355
Entity TypeIndividualMale
Primary Taxonomy2085D0003X
Provider Legal NameDR. JAMES STEPHEN ROBERT MURPHYCredential: M.D.
Location Address2428 SANTA MONICA BLVDSanta Monica, CA 90404-2045
Mailing Address1701 E Colter St, Unit 414Phoenix, AZ 85016-3363 · (949) 981-3044
Sole ProprietorNo
Medical School CMSGeorgetown University School Of MedicineGraduated 2007
Enumeration DateMarch 22, 2007
Last NPPES UpdateDecember 6, 20222 updates tracked since enumeration
NPPES CertifiedDecember 6, 2022
✔ NPI 1790801355 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Diagnostic NeuroimagingAllopathic & Osteopathic Physicians
Taxonomy Code2085D0003X
License✔ Licensed in CA · A124149
Definition
A licensed physician, who has completed a residency program in Neurology, and who has additional training, experience, and competence in the standards of performance and interpretation of Magnetic Resonance Imaging (MRI / MRA) of the head, spine, and peripheral nerves, and Computed Tomography (CT) of the head and spine. Physicians are trained in the administration of contrast media and the recognition and treatment of adverse reactions to contrast media. Neuroimaging training encompasses thorough knowledge of clinical neurology, neurophysiology, neuroanatomy, neurochemistry, neuropharmacology, and dynamics of cerebrospinal fluid circulation. Physicians possess special expertise in the technical aspects and clinical applications of each of the modalities and techniques of neuroimaging.
Also ListedRadiology · Diagnostic RadiologyTaxonomy 2085R0202X · License 40056 (AZ)
2428 SANTA MONICA BLVD, Santa Monica, CA 90404

Secondary Practice Locations 2

Location 11701 E Colter St, Unit 414Phoenix, AZ 85016-3363 · Phone (949) 981-3044
Location 29582 W Colonial DrOcoee, FL 34761 · Phone (407) 363-6700 · Fax (407) 865-6012

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.

PECOS PAC ID345406864
PECOS Enrollment IDI20151117001929, I20211110001607
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

17

Medicare 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.

Diagnostic Radiology
1510 COTNER AVE
Los Angeles, CA 90025
  • Reassigned Medicare billing, Tennessee enrollment
  • 3 clinicians in this Medicare group
Diagnostic Radiology
1516 COTNER AVE
Los Angeles, CA 90025
  • Reassigned Medicare billing, California enrollment
  • 311 clinicians in this Medicare group
Anesthesiology
8700 BEVERLY BLVD STE SB-290
Los Angeles, CA 90048
  • Reassigned Medicare billing, California enrollment
  • 2,118 clinicians in this Medicare group
Vascular-Interventional Technology
16311 VENTURA BLVD STE 120
Encino, CA 91436
  • Reassigned Medicare billing, California enrollment
  • 329 clinicians in this Medicare group
Diagnostic Radiology
432 S MILL ST
Tehachapi, CA 93561
  • Reassigned Medicare billing, California and Tennessee enrollments
  • Also billed through NPI 1720023997 (Tennessee)
  • 252 clinicians in this Medicare group
Diagnostic Radiology
72855 FRED WARING DR
Palm Desert, CA 92260
  • Reassigned Medicare billing, Tennessee enrollment
  • 3 clinicians in this Medicare group
Diagnostic Radiology
6191 N THESTA ST
Fresno, CA 93710
  • Reassigned Medicare billing, Tennessee enrollment
  • 2 clinicians in this Medicare group
Diagnostic Radiology
157 E COOLIDGE AVE
Modesto, CA 95350
  • Reassigned Medicare billing, Tennessee enrollment
  • 2 clinicians in this Medicare group
Radiology
2281 PARAGON DR, SUITE 400
San Jose, CA 95131
  • Reassigned Medicare billing, Tennessee enrollment
  • 2 clinicians in this Medicare group
Diagnostic Radiology
2201 WALNUT AVE, SUITE # 150
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.

Injection, gadoterate meglumine, 0.1 ml A9575
Gadoterate meglumine is a contrast agent used in MRI scans to help visualize certain areas of your body more clearly. It's injected into your bloodstream, typically through a vein in your arm, and helps doctors get more detailed images.
38,420 services262 patients
Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967
Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.
12,917 services121 patients
Mri scan of brain without contrast 70551
An MRI scan of the brain without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your brain. It helps in detecting abnormalities like tumors, stroke, inflammation, or infection.
1,071 services823 patients
Mri scan of lower spinal canal without contrast 72148
An MRI scan of the lower spinal canal without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to produce detailed images of your lower spine. This helps identify issues like disc problems, tumors, or nerve conditions. No dye is used.
721 services591 patients
Nuclear medicine study limited area with ct scan 78814
A nuclear medicine study with a limited area CT scan is a diagnostic procedure. A small amount of radioactive substance is injected into your body, which helps create detailed images of a specific area. The CT scan further enhances these images, providing clearer, more precise results.
546 services491 patients
Mri scan of brain before and after contrast 70553
An MRI scan of the brain, both before and after contrast, helps visualize different brain structures. Initially, images are taken without a contrast agent. Then, a safe dye is injected which helps highlight certain areas, providing clearer, more detailed images.
409 services331 patients

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.

Chiropractor
2428 SANTA MONICA BLVD, SUITE 404
SANTA MONICA, CA 90404
Legal Medicine
2428 SANTA MONICA BLVD
SANTA MONICA, CA 90404
Pharmacy (Community/Retail Pharmacy)
2428 SANTA MONICA BLVD, SUITE 101
SANTA MONICA, CA 90404
Legal Medicine
2428 SANTA MONICA BLVD, 402
SANTA MONICA, CA 90404
Dentist
2428 SANTA MONICA BLVD, #102
SANTA MONICA, CA 90404
Radiology (Diagnostic Neuroimaging)
2428 SANTA MONICA BLVD
SANTA MONICA, CA 90404
Radiology (Diagnostic Radiology)
2428 SANTA MONICA BLVD
SANTA MONICA, CA 90404
Clinic/Center (Radiology)
2428 SANTA MONICA BLVD, STE. LL
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.