Physician Profile
Leslie D. Cahan, MD practices neurological surgery in Thousand Oaks, CA. Leslie is a 1971 graduate of University of California, Geffen School of Medicine. Medicare claims data shows Leslie provided 87 services to 43 patients. The services billed most often include computer-assisted radiosurgery of simple growth of brain, each additional growth, computer-assisted radiosurgery of simple growth of brain, first growth, and computer-assisted radiosurgery application of headframe.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
2200 LYNN RD
Thousand Oaks, CA 91360
Within Neurological Surgery generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Brain & spine conditions
Brain conditions
Brain disorders
Brain injury
Brain tumors
Movement disorders
Nerve disorders
Pain
Pediatric conditions
Spine & back
Spine conditions
Spine deformity
Trauma & injury
Most searched procedures
Brain & spine surgery
Brain procedures
Brain surgery
Cranial reconstruction
Diagnostic & therapeutic
Endovascular procedures
Functional neurosurgery
Monitoring & trauma
Nerve procedures
Nerve surgery
Pain procedures
Pediatric neurosurgery
Radiation & radiosurgery
Radiation surgery
Skull base surgery
Spasticity treatment
Spine procedures
Spine surgery
Vascular neurosurgery
87 services · 43 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Computer-assisted radiosurgery of simple growth of brain, each additional growth | Procedure | 61797 |
48 | As often as other peers in Neurological Surgery |
| Computer-assisted radiosurgery of simple growth of brain, first growth | Procedure | 61796 |
20 | As often as other peers in Neurological Surgery |
| Computer-assisted radiosurgery application of headframe | Procedure | 61800 |
19 | As often as other peers in Neurological Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Cahan is a neurosurgeon in Thousand Oaks, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Neurological Surgery”.
NPI registry
Dr. Cahan is listed at 2200 Lynn Rd, Thousand Oaks, CA 91360. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (805) 494-0880. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Cahan's National Provider Identifier is 1063583979. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Cahan attended University of California, Geffen School of Medicine, graduating in 1971. This comes from the CMS National Downloadable File.
CMS public data
Dr. Cahan has 55 years experience. Calculated from a graduation year of 1971, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Cahan performs procedures including computer-assisted radiosurgery of simple growth of brain, each additional growth, computer-assisted radiosurgery of simple growth of brain, first growth and computer-assisted radiosurgery application of headframe. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Cahan. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.