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Edit this profileAt a glance
- 9200 W Wisconsin Ave, Milwaukee, WI 53226
About Dr. Nerva
Based in Milwaukee, WI, John D. Nerva, MD is listed in the NPI registry under neurosurgery. John graduated from University of Minnesota Medical School in 2010. John is also listed as specializing in neurological surgery. According to Medicare claims data, John cared for 80 Medicare patients across 98 services. The services billed most often include initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes, subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, and insertion of tube into intracranial artery for diagnosis or treatment with review by radiologist. NPI 1255652426 identifies this record in the national registry.
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
- (414) 805-8710
- Email not available
Practice Locations
9200 W WISCONSIN AVE
Milwaukee, WI 53226
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
Brain conditions
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
Brain tumors
Movement disorders
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
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
Brain & spine surgery
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
Cranial reconstruction
Diagnostic & therapeutic
Endovascular procedures
Functional neurosurgery
Monitoring & trauma
Nerve procedures
Nerve surgery
Pain procedures
- Epidural steroid injection
- Facet Joint Injections
- Pain pump implant
- Radiofrequency ablation
- Spinal cord stimulator implant
Pediatric neurosurgery
Radiation & radiosurgery
Radiation surgery
Skull base surgery
Spasticity treatment
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
Procedures Most Often Billed to Medicare
98 services · 80 patients · 5 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 |
18 | As often as other peers in Neurosurgery |
| Insertion of tube into external neck artery for diagnosis or treatment with review by radiologist | Procedure | 36227 |
12 | Less often than most peers in Neurosurgery |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
29 | As often as other peers in Neurosurgery |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
28 | As often as other peers in Neurosurgery |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
11 | Less 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.
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 Milwaukee 8
Same specialty, same city.
Trained at University of Minnesota Medical School 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 2 groups
Class of 2010 at University of Minnesota Medical School 7
Providers who graduated from the same medical school in the same year.
Also performs Insertion of tube into intracranial artery for diagnosis or treatment with review by radiologist 1
Providers in WI who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Nerva?
Dr. Nerva is a neurosurgery in Milwaukee, WI. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Dr. Nerva's address?
Dr. Nerva is listed at 9200 W Wisconsin Ave, Milwaukee, WI 53226. 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. Nerva?
The number on file is (414) 805-8710. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Nerva's NPI number?
Dr. Nerva's National Provider Identifier is 1255652426. 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. Nerva train?
Dr. Nerva attended University of Minnesota Medical School, graduating in 2010. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Nerva been practicing?
Dr. Nerva has 16 years experience. Calculated from a graduation year of 2010, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Nerva perform?
According to Medicare billing data, Dr. Nerva performs procedures including insertion of tube into intracranial 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, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Nerva confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Nerva. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.