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Edit this profileAt a glance
- 26732 Crown Valley Pkwy Ste 541, Mission Viejo, CA 92691
About Dr. Tsimpas
Asterios Tsimpas, M.D. practices neurosurgery in Mission Viejo, CA. Asterios is also listed as specializing in vascular & interventional radiology and neurological surgery. According to Medicare claims data, Asterios cared for 472 Medicare patients across 632 services. The services billed most often include critical care, first 30-74 minutes, subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. The provider's National Provider Identifier (NPI) is 1093919946.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (949) 388-7190
- Email not available
Practice Locations
26732 CROWN VALLEY PKWY STE 541
Mission Viejo, CA 92691
Conditions Commonly Evaluated or Treated
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.
Conditions
Most searched conditions
Brain & spine conditions
- Spinal Fluid Leak
Brain conditions
- Brain Swelling
- Water On Baby's Brain
Brain disorders
- Acoustic Neuroma
- Brain Vascular Malformation
- Chiari Malformation
- Drug-Resistant Seizures
- Epidermoid cyst
- Hemorrhagic stroke
- Meningitis
- Normal Pressure Hydrocephalus
- Papilledema
- Pituitary Tumor
Brain injury
- Blood Clot On The Brain
- Traumatic brain injury
Brain tumors
- Brain Tumor Symptoms
- Glioblastoma
Movement disorders
- Essential tremor
- Muscle Spasms & Twitches
- Parkinson's disease
- Severe Muscle Spasticity
Nerve disorders
- Carpal tunnel
- Cubital tunnel syndrome
- Cut Or Injured Nerve
- Face Twitching
- Occipital neuralgia
- Outer thigh burning and numbness
- Thoracic outlet syndrome
- Trigeminal neuralgia
Pain
Pediatric conditions
- Baby Flat Head
- Open Spine Birth Defect
Spine & back
- Arthritis of the spine
- Chronic back pain
- Chronic Neck Pain
- Degenerative disc disease
- Failed back surgery syndrome
- Severe back pain
- Spinal Cord Tumor
- Spondylolisthesis
- Tethered Spinal Cord
Spine conditions
- Bone Spurs In The Spine
- Fluid Cyst In Spinal Cord
- Spinal compression fracture
- Spine Infection
- Stress Fracture Of The Spine
Spine deformity
Trauma & injury
- Concussion in Children
- Skull Fracture
- Spinal Cord Injury
Procedures & services
Most searched procedures
- Craniotomy
- Discectomy
- Laminectomy
- Lumbar discectomy
- Spinal fusion
- Spine surgery
Brain & spine surgery
- CSF Leak Repair
Brain procedures
- Awake Brain Mapping Surgery
- Brain Shunt Placement
- Chiari Decompression Surgery
- Deep Brain Stimulation
- Draining A Brain Bleed
- Facial Nerve Decompression Surgery
- Laser Brain Surgery
- Minimally Invasive Endoscopic Brain Surgery
- Needle Brain Biopsy
Brain surgery
- GPS-Guided Brain Navigation Surgery
- Skull Bone Removal For Pressure Relief
Cranial reconstruction
- Skull Reconstruction
Diagnostic & therapeutic
Endovascular procedures
- Brain Aneurysm Coiling
Functional neurosurgery
- Surgery For Seizures
- Vagus Nerve Stimulator Implant
Monitoring & trauma
- Brain Pressure Monitor Placement
Nerve procedures
Nerve surgery
Pain procedures
- Epidural steroid injection
- Facet Joint Injections
- Pain pump implant
- Radiofrequency ablation
- Spinal cord stimulator implant
Pediatric neurosurgery
- Baby Skull Reshaping Surgery
- Nerve Surgery For Cerebral Palsy
Radiation & radiosurgery
Radiation surgery
Skull base surgery
- Acoustic Neuroma Surgery
- Pituitary Tumor Removal
- Skull Base Surgery
Spasticity treatment
- Baclofen Pump Insertion
Spine procedures
- Artificial Disc Replacement
- Kyphoplasty
- Nerve Opening Widening
- Scoliosis correction surgery
- SI Joint Fusion
- Spinal Cyst Removal
- Tethered Cord Release
- Vertebra Removal Surgery
Spine surgery
- Minimally Invasive Spine Surgery
- Neck Canal Enlargement Surgery
- Spinal Cord Tumor Removal
- Vertebroplasty
Vascular neurosurgery
- Brain Aneurysm Clipping
- Carotid endarterectomy
Procedures Most Often Billed to Medicare
632 services · 472 patients · 13 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of tube into internal neck artery for diagnosis or treatment with review by radiologist | Procedure | 36224 |
36 | More often than most peers in Neurosurgery |
| Insertion of tube into external neck artery for diagnosis or treatment with review by radiologist | Procedure | 36227 |
31 | More often than most peers in Neurosurgery |
| Insertion of tube into brain artery for diagnosis or treatment with review by radiologist | Procedure | 36226 |
27 | As often as other peers in Neurosurgery |
| Occlusion of central nervous system or spinal cord artery | Procedure | 61624 |
15 | Less often than most peers in Neurosurgery |
| Ultrasonic guidance for blood vessel access | Imaging | 76937 |
36 | More often than most peers in Neurosurgery |
| Review by radiologist of image for insertion of material to block blood flow | Imaging | 75894 |
16 | As often as other peers in Neurosurgery |
| Review by radiologist of arm or leg artery image | Imaging | 75710 |
12 | Too few peers to compare |
| Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | Treatment | 99152 |
34 | More often than most peers in Neurosurgery |
| Critical care, first 30-74 minutes | Office visit | 99291 |
203 | More than most peers in Neurosurgery |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
75 | More often than most peers in Neurosurgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other neurosurgery specialists at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other neurosurgery specialists in Mission Viejo 3
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2000 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of tube into internal neck artery for diagnosis or treatment with review by radiologist 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Asterios Tsimpas's specialty?
Asterios Tsimpas is a neurosurgery in Mission Viejo, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Asterios Tsimpas?
Asterios Tsimpas is listed at 26732 Crown Valley Pkwy Ste 541, Mission Viejo, CA 92691. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Asterios Tsimpas?
The number on file is (949) 388-7190. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Asterios Tsimpas's NPI number?
Asterios Tsimpas's National Provider Identifier is 1093919946. 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
What is Asterios Tsimpas's education?
Asterios Tsimpas attended Other, graduating in 2000. This comes from the CMS National Downloadable File.
CMS public data
How long has Asterios Tsimpas been practicing?
Asterios Tsimpas has 26 years experience. Calculated from a graduation year of 2000, reported in the CMS National Downloadable File.
CMS public data
What is Asterios Tsimpas known for?
According to Medicare billing data, Asterios Tsimpas performs procedures including insertion of tube into internal neck artery for diagnosis or treatment with review by radiologist, insertion of tube into external neck 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 ultrasonic guidance for blood vessel access and review by radiologist of image for insertion of material to block blood flow; provides treatments such as use of a drug to induce depression of consciousness by physician performing a procedure , initial 15 minutes, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Asterios Tsimpas confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Asterios Tsimpas. If this is you, claiming it is free.
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