DR. DEREK GLEN MCALLISTER DO
NPI 1861832230
Radiology - Diagnostic Neuroimaging in Santa Monica, CA

Active since July 01, 2013PECOS EnrolledAccepts Medicare Assignment
2428 SANTA MONICA BLVD, SANTA MONICA, CA 90404(310) 315-1000 Get Directions Write a Review

NPPES record last updated: August 5, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 5, 2022, Aug 9, 2019 (2 updates tracked since 2019).

About Dr. Derek Glen Mcallister Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DEREK GLEN MCALLISTER DO (NPI 1861832230) is an individual diagnostic neuroimaging provider in Santa Monica, California, licensed in California (20A16474) and active in the NPI registry since July 2013. He is enrolled in Medicare PECOS, maintains a secondary practice location in Stanford, and is a graduate of Rocky Vista University College Of Osteopathic Med (2013).

NPPES Registry Identity

NPI1861832230
Entity TypeIndividualMale
Primary Taxonomy2085D0003X
Provider Legal NameDR. DEREK GLEN MCALLISTERCredential: DO
Location Address2428 SANTA MONICA BLVDSanta Monica, CA 90404-2045
Mailing Address300 Pasteur DrStanford, CA 94305-2200 · (650) 723-4000
Sole ProprietorYes
Medical School CMSRocky Vista University College Of Osteopathic MedGraduated 2013
Enumeration DateJuly 1, 2013
Last NPPES UpdateAugust 5, 20222 updates tracked since enumeration
NPPES CertifiedAugust 5, 2022
✔ NPI 1861832230 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 · 20A16474
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 5101020333 (MI), 20A16474 (CA)
2428 SANTA MONICA BLVD, Santa Monica, CA 90404

Secondary Practice Location 1

Location 1300 Pasteur DrStanford, CA 94305-2200 · Phone (650) 723-4000

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. Derek Glen Mcallister 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.

PECOS PAC ID7416190582
PECOS Enrollment IDI20200817000187
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

10

Medicare enrollment records show Derek Mcallister reassigns Medicare billing to 10 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, Arizona and California enrollments
  • 22 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
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 Arizona enrollments
  • Also billed through NPI 1720023997 (Arizona)
  • 252 clinicians in this Medicare group
Diagnostic Radiology
72855 FRED WARING DR
Palm Desert, CA 92260
  • Reassigned Medicare billing, Arizona enrollment
  • 24 clinicians in this Medicare group
Diagnostic Radiology
105 SOUTH DR STE 110
Mountain View, CA 94040
  • Reassigned Medicare billing, Arizona enrollment
  • 45 clinicians in this Medicare group
Diagnostic Radiology
6740 E CAMELBACK RD STE 100
Scottsdale, AZ 85251
  • Reassigned Medicare billing, Arizona enrollment
  • 178 clinicians in this Medicare group
Vascular & Interventional Radiology
1400 S DOBSON RD
Mesa, AZ 85202
  • Reassigned Medicare billing, Arizona enrollment
  • 447 clinicians in this Medicare group
Diagnostic Radiology
14302 BRUCE B DOWNS BLVD
Tampa, FL 33613
  • Reassigned Medicare billing, Arizona enrollment
  • 36 clinicians in this Medicare group
Diagnostic Radiology
170 E 77TH ST LOWR LEVEL
New York, NY 10075
  • Reassigned Medicare billing, Arizona enrollment
  • 22 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 29

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.
43,810 services410 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.
9,189 services91 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.
931 services904 patients
Mri scan of upper spinal canal without contrast 72141
An MRI scan of the upper spinal canal without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your upper spine. This helps doctors identify issues such as injuries, infections or diseases. No dye is used.
391 services379 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.
375 services360 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.
334 services323 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 Derek Mcallister's NPI number?

The NPI number for Derek Mcallister is 1861832230. It was assigned to this individual provider in the NPPES registry on July 1, 2013.

Where is Derek Mcallister located?

Derek Mcallister practices at 2428 Santa Monica Blvd, Santa Monica, CA 90404. The listed phone number is (310) 315-1000.

What is Derek Mcallister's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Neuroimaging, with taxonomy code 2085D0003X.

Is Derek Mcallister enrolled in Medicare?

Yes. Derek Mcallister 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 Derek Mcallister's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Derek Mcallister reassigns Medicare benefits to 10 organizations: Beverly Radiology Medical Group III (Los Angeles, CA), Pronet Imaging Medical Group, Inc. (Los Angeles, CA), San Fernando Valley Interventional Radiology And Imaging Center (Encino, CA), Kern Radiology Medical Group, Inc (Tehachapi, CA), Desert Advanced Imaging Medical Center (Palm Desert, CA) and 5 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 Derek Mcallister's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Derek Mcallister accept?

Health plans from Ambetter Health, Ambetter of Alabama, Blue Cross Blue Shield of Arizona, Blue Cross and Blue Shield of Texas and Imperial Insurance Companies, Inc. list Derek Mcallister 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 Derek Mcallister was last updated on August 5, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.