Physician Profile
Unclaimed ProfileAbout NERVA
Based in Milwaukee, WI, John David 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.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What kind of doctor is Dr. Nerva?
Dr. Nerva is a neurosurgery in Milwaukee, WI. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “NEUROSURGERY”.
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. Guide.md cannot book appointments or pass on messages — please call the office directly.
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
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (414) 805-8710
- Email not available
Practice Locations
9200 W WISCONSIN AVE
Milwaukee, WI 53226
Procedures Most Often Billed to Medicare
98 services · 80 patients · 5 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of tube into intracranial artery for diagnosis or treatment with review by radiologist | Procedure | 36223 |
18 |
| Insertion of tube into external neck artery for diagnosis or treatment with review by radiologist | Procedure | 36227 |
12 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
29 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
28 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
11 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated 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.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.