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DR. AARON GERSHON FILLER M.D., PH.D.
NPI 1225189871
Neurological Surgery in Santa Monica, CA

Active since January 12, 2007Opted out of Medicare · through Mar 15, 2027
900 WILSHIRE BLVD STE 310, SANTA MONICA, CA 90401(310) 314-6410(310) 496-0185 Get Directions Write a Review

NPPES record last updated: July 29, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Aaron Gershon Filler M.d., Ph.d. NPPES

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

DR. AARON GERSHON FILLER M.D., PH.D. (NPI 1225189871) is an individual neurological surgery provider in Santa Monica, California, licensed in California (G81778) and active in the NPI registry since January 2007. He has opted out of Medicare through March 15, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1225189871
Entity TypeIndividualMale
Primary Taxonomy207T00000X
Provider Legal NameDR. AARON GERSHON FILLERCredential: M.D., PH.D.
Location Address900 WILSHIRE BLVD STE 310Santa Monica, CA 90401-1895
Mailing Address900 Wilshire Blvd Ste 310Santa Monica, CA 90401-1895 · (310) 314-6410 · Fax (310) 496-0185
Phone(310) 314-6410
Fax(310) 496-0185
Sole ProprietorNo
Enumeration DateJanuary 12, 2007
Last NPPES UpdateJuly 29, 2022
NPPES CertifiedFebruary 17, 2022
✔ NPI 1225189871 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 · G81778
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.
900 WILSHIRE BLVD STE 310, Santa Monica, CA 90401
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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. Aaron Gershon Filler M.d., Ph.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 March 15, 2013 through March 15, 2027.

Opt-Out Effective DateMarch 15, 2013
Opt-Out In Effect ThroughMarch 15, 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 90401 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 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

NEUROLOGICAL INJURY SPECIALISTS MEDICAL ASSOCIATES
Neurological Surgery
900 WILSHIRE BLVD STE 310
SANTA MONICA, CA 90401
Los Angeles County (310) 314-6410
NEUROGRAPHY INSTITUTE MEDICAL ASSOCIATES INC.
Radiology (Neuroradiology)
900 WILSHIRE BLVD STE 310
SANTA MONICA, CA 90401
Los Angeles County (310) 314-6410

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 Aaron Filler's NPI number?

The NPI number for Aaron Filler is 1225189871. It was assigned to this individual provider in the NPPES registry on January 12, 2007.

Where is Aaron Filler located?

Aaron Filler practices at 900 Wilshire Blvd Ste 310, Santa Monica, CA 90401. The listed phone number is (310) 314-6410.

What is Aaron Filler's specialty?

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

Is Aaron Filler enrolled in Medicare?

No. Aaron Filler has opted out of Medicare through March 15, 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 Aaron Filler was last updated on July 29, 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.