Physician Profile
Mikayel Grigoryan, M.D.
Unclaimed ProfileAbout Dr. Grigoryan
Based in Glendale, CA, Mikayel Grigoryan, M.D. is listed in the NPI registry under neurological surgery. Mikayel is also listed as specializing in neurology, vascular neurology, and nuclear medicine. According to Medicare claims data, Mikayel cared for 536 Medicare patients across 653 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, and initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes.
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.
Education & Training
Specialty
Credentials & Licensing
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.
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
- (818) 265-2245
- Email not available
Practice Locations
1451 E CHEVY CHASE DR STE 201
Glendale, CA 91206
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 aneurysm
- Brain tumor
- Herniated disc
- Pinched nerve
- Sciatica
- Spinal stenosis
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
- Sacroiliac joint 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
- Hunchback Deformity
- Scoliosis
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
- Blood patch for spinal headache
- Lumbar puncture
Endovascular procedures
- Brain Aneurysm Coiling
Functional neurosurgery
- Surgery For Seizures
- Vagus Nerve Stimulator Implant
Monitoring & trauma
- Brain Pressure Monitor Placement
Nerve procedures
- Carpal tunnel surgery
- Cubital tunnel decompression
- Nerve Repair Surgery
Nerve surgery
- Tarsal Tunnel Release
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
- CyberKnife
Radiation surgery
- Stereotactic radiosurgery (SRS)
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
653 services · 536 patients · 14 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of tube into brain artery for diagnosis or treatment with review by radiologist | Procedure | 36226 |
32 | More often than most peers in Neurological Surgery |
| Insertion of tube into intracranial artery for diagnosis or treatment with review by radiologist | Procedure | 36223 |
30 | More often than most peers in Neurological Surgery |
| Insertion of tube into internal neck artery for diagnosis or treatment with review by radiologist | Procedure | 36224 |
29 | More often than most peers in Neurological Surgery |
| Insertion of stent and blood clot protection device in neck artery with review by radiologist | Procedure | 37215 |
15 | Less often than most peers in Neurological Surgery |
| Insertion of tube into chest artery for diagnosis or treatment with review by radiologist | Procedure | 36225 |
14 | Less often than most peers in Neurological Surgery |
| Removal of blood clot and injection to dissolve blood clot from head artery using fluoroscopic guidance | Procedure | 61645 |
11 | Less often than most peers in Neurological Surgery |
| Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | Treatment | 99152 |
48 | More often than most peers in Neurological Surgery |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
132 | More often than most peers in Neurological Surgery |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
115 | More often than most peers in Neurological Surgery |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
101 | More than most peers in Neurological Surgery |
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.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
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 neurosurgeons in Glendale 4
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 1996 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of tube into brain 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 Mikayel Grigoryan's specialty?
Mikayel Grigoryan is a neurosurgeon in Glendale, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Neurological Surgery”.
NPI registry
Where can I find Mikayel Grigoryan?
Mikayel Grigoryan is listed at 1451 E Chevy Chase Dr Ste 201, Glendale, CA 91206. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Mikayel Grigoryan?
The number on file is (818) 265-2245. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Mikayel Grigoryan's NPI number?
Mikayel Grigoryan's National Provider Identifier is 1801003686. 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 Mikayel Grigoryan's education?
Mikayel Grigoryan attended Other, graduating in 1996. This comes from the CMS National Downloadable File.
CMS public data
How long has Mikayel Grigoryan been practicing?
Mikayel Grigoryan has 30 years experience. Calculated from a graduation year of 1996, reported in the CMS National Downloadable File.
CMS public data
What is Mikayel Grigoryan known for?
According to Medicare billing data, Mikayel Grigoryan performs procedures including insertion of tube into brain artery for diagnosis or treatment with review by radiologist, insertion of tube into intracranial artery for diagnosis or treatment with review by radiologist and insertion of tube into internal neck artery for diagnosis or treatment with review by radiologist; 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 Mikayel Grigoryan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Mikayel Grigoryan. 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.