Physician Profile
Jan Vargas Machaj, MD
Unclaimed ProfileAbout Dr. Vargas Machaj
Based in Greenville, SC, Jan Vargas Machaj, MD is listed in the NPI registry under neurological surgery. Jan graduated from Medical University of South Carolina College of Medicine in 2011. According to Medicare claims data, Jan cared for 212 Medicare patients across 232 services. The services billed most often include insertion of tube into internal neck artery for diagnosis or treatment with review by radiologist, insertion of tube into brain artery for diagnosis or treatment with review by radiologist, and subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 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
- (864) 797-7150
- Email not available
Practice Locations
109 DOCTORS DR
Greenville, SC 29605
169 Ashley Ave Room 202 Main Hospital MSC333
Charleston, SC 29425
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
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
- 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
232 services · 212 patients · 10 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 |
42 | More often than most peers in Neurological Surgery |
| Insertion of tube into brain artery for diagnosis or treatment with review by radiologist | Procedure | 36226 |
27 | As often as other peers in Neurological Surgery |
| Insertion of tube into external neck artery for diagnosis or treatment with review by radiologist | Procedure | 36227 |
22 | As often as other peers in Neurological Surgery |
| Removal of blood clot and injection to dissolve blood clot from head artery using fluoroscopic guidance | Procedure | 61645 |
21 | More often than most peers in Neurological Surgery |
| Occlusion of central nervous system or spinal cord artery | Procedure | 61624 |
16 | As often as other peers in Neurological Surgery |
| Imaging of blood vessel | Imaging | 75898 |
20 | Less often than most peers in Neurological Surgery |
| Review by radiologist of image for insertion of material to block blood flow | Imaging | 75894 |
14 | Less often than most peers in Neurological Surgery |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
26 | As often as other peers in Neurological Surgery |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
24 | As often as other peers in Neurological Surgery |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
20 | Less often 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.
Other neurosurgeons at this location 3
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 neurosurgeons in Greenville 6
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Medical University of South Carolina College of Medicine 7
Other providers in the same specialty who trained at the same institution.
Class of 2011 at Medical University of South Carolina College of Medicine 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 SC who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Vargas Machaj?
Dr. Vargas Machaj is a neurosurgeon in Greenville, SC. That is the designation recorded for this NPI in the federal registry, where it is listed as “Neurological Surgery”.
NPI registry
What is Dr. Vargas Machaj's address?
Dr. Vargas Machaj is listed at 109 Doctors Dr, Greenville, SC 29605. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Vargas Machaj?
The number on file is (864) 797-7150. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Vargas Machaj's NPI number?
Dr. Vargas Machaj's National Provider Identifier is 1225323488. 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
Where did Dr. Vargas Machaj train?
Dr. Vargas Machaj attended Medical University of South Carolina College of Medicine, graduating in 2011. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Vargas Machaj been practicing?
Dr. Vargas Machaj has 15 years experience. Calculated from a graduation year of 2011, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Vargas Machaj perform?
According to Medicare billing data, Dr. Vargas Machaj performs procedures including insertion of tube into internal neck artery for diagnosis or treatment with review by radiologist, insertion of tube into brain artery for diagnosis or treatment with review by radiologist and insertion of tube into external neck artery for diagnosis or treatment with review by radiologist; reads or performs imaging such as imaging of blood vessel and review by radiologist of image for insertion of material to block blood flow, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Vargas Machaj confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Vargas Machaj. 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.