DR. BRIAN RANDALL GANTWERKER M.D.
NPI 1609842715
Neurological Surgery in Santa Monica, CA

Active since February 28, 2006Opted out of Medicare · through Jan 2, 2027
2811 WILSHIRE BLVD, SUITE 840, SANTA MONICA, CA 90403(310) 694-8300(310) 694-8357 Get Directions Write a Review

NPPES record last updated: June 14, 2016. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Brian Randall Gantwerker M.d. NPPES

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

DR. BRIAN RANDALL GANTWERKER M.D. (NPI 1609842715) is an individual neurological surgery provider in Santa Monica, California, licensed in California (A109316) and active in the NPI registry since February 2006. He has opted out of Medicare through January 2, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1609842715
Entity TypeIndividualMale
Primary Taxonomy207T00000X
Provider Legal NameDR. BRIAN RANDALL GANTWERKERCredential: M.D.
Location Address2811 WILSHIRE BLVD, SUITE 840Santa Monica, CA 90403-4803
Mailing AddressPo Box 492209Los Angeles, CA 90049-2209 · (310) 694-8300 · Fax (310) 694-8357
Fax(310) 694-8357
Sole ProprietorNo
Enumeration DateFebruary 28, 2006
Last NPPES UpdateJune 14, 2016
NPI 1609842715 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNeurological SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207T00000X
License Licensed in CA · A109316
Definition
A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.
2811 WILSHIRE BLVD, Santa Monica, CA 90403

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Opted out of Medicare

Dr. Brian Randall Gantwerker M.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from January 2, 2023 through January 2, 2027.

Opt-Out Effective DateJanuary 2, 2023
Opt-Out In Effect ThroughJanuary 2, 2027Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90403 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Pain Medicine (Interventional Pain Medicine)
2811 WILSHIRE BLVD, # 790
SANTA MONICA, CA 90403
General Practice
2811 WILSHIRE BLVD, SUITE 610
SANTA MONICA, CA 90403
Radiology (Radiation Oncology)
2811 WILSHIRE BLVD, SUITE 860
SANTA MONICA, CA 90403
Dermatology (Dermatopathology)
2811 WILSHIRE BLVD, SUITE 615
SANTA MONICA, CA 90403
Psychiatry & Neurology (Behavioral Neurology & Neuropsychiatry)
2811 WILSHIRE BLVD, SUITE 680
SANTA MONICA, CA 90403
Internal Medicine (Rheumatology)
2811 WILSHIRE BLVD, STE 550
SANTA MONICA, CA 90403
Physical Therapist
2811 WILSHIRE BLVD, SUITE 600
SANTA MONICA, CA 90403
Physical Medicine & Rehabilitation (Pain Medicine)
2811 WILSHIRE BLVD, SUITE 850
SANTA MONICA, CA 90403

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 Brian Gantwerker's NPI number?

The NPI number for Brian Gantwerker is 1609842715. It was assigned to this individual provider in the NPPES registry on February 28, 2006.

Where is Brian Gantwerker located?

Brian Gantwerker practices at 2811 Wilshire Blvd Suite 840, Santa Monica, CA 90403. The listed phone number is (310) 694-8300.

What is Brian Gantwerker's specialty?

The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.

Is Brian Gantwerker enrolled in Medicare?

No. Brian Gantwerker has opted out of Medicare through January 2, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Brian Gantwerker was last updated on June 14, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.