Physician Profile
Symeon Missios, M.D. practices neurological surgery in West Islip, NY. Symeon is a 2004 graduate of Geisel School of Medicine at Dartmouth. According to Medicare claims data, Symeon cared for 1,025 Medicare patients across 1,805 services. The services billed most often include critical care, first 30-74 minutes, emergency department visit with low level of medical decision making, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
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.
1175 MONTAUK HWY STE 6
West Islip, NY 11795
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
1,805 services · 1,025 patients · 21 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of tube into intracranial artery for diagnosis or treatment with review by radiologist | Procedure | 36223 |
27 | More often than most peers in Neurological Surgery |
| Insertion of tube into extracranial artery for diagnosis or treatment with review by radiologist | Procedure | 36222 |
27 | Too few peers to compare |
| Insertion of tube into brain artery for diagnosis or treatment with review by radiologist | Procedure | 36226 |
23 | As often as other peers in Neurological Surgery |
| Insertion of tube into chest artery for diagnosis or treatment with review by radiologist | Procedure | 36225 |
23 | As often as other peers in Neurological Surgery |
| Computer-assisted radiosurgery of complex growth of brain, first growth | Procedure | 61798 |
12 | Less often than most peers in Neurological Surgery |
| Ct scan of head or brain before and after contrast | Imaging | 70470 |
116 | Too few peers to compare |
| Ct scan head or brain without contrast | Imaging | 70450 |
35 | More often than most peers in Neurological Surgery |
| Mri scan of brain before and after contrast | Imaging | 70553 |
34 | More often than most peers in Neurological Surgery |
| Ct scan of middle spine with contrast | Imaging | 72129 |
26 | Too few peers to compare |
| Ct scan of lower spine without contrast | Imaging | 72131 |
20 | 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.
Symeon Missios is a neurosurgeon in West Islip, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Neurological Surgery”.
NPI registry
Symeon Missios is listed at 1175 Montauk Hwy Ste 6, West Islip, NY 11795. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (631) 422-5371. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Symeon Missios's National Provider Identifier is 1144336538. 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
Symeon Missios attended Geisel School of Medicine at Dartmouth, graduating in 2004. This comes from the CMS National Downloadable File.
CMS public data
Symeon Missios has 22 years experience. Calculated from a graduation year of 2004, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Symeon Missios performs procedures including insertion of tube into intracranial artery for diagnosis or treatment with review by radiologist, insertion of tube into extracranial artery for diagnosis or treatment with review by radiologist and insertion of tube into brain artery for diagnosis or treatment with review by radiologist; reads or performs imaging such as ct scan of head or brain before and after contrast and ct scan head or brain without contrast, alongside routine visits and testing. 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 Symeon Missios. 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.