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Edit this profileAt a glance
- 100 Merrick Road, Suite 100W, Rockville Centre, NY 11570
About Dr. Grant
John A. Grant, M.D. is a healthcare provider in Rockville Centre, NY specializing in neurosurgery. John is also listed as specializing in neurological surgery and pediatric surgery. According to Medicare claims data, the services billed most often include initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes. This provider record is associated with NPI 1093701278.
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
- (516) 632-7050
- Email not available
Practice Locations
100 MERRICK ROAD SUITE 100W
Rockville Centre, NY 11570
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
13 services · 13 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | Office visit | 99221 |
13 | 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.
Other neurosurgery specialists at this location 6
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.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 1985 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is John A. Grant?
John A. Grant is a neurosurgery in Rockville Centre, NY. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is John A. Grant's address?
John A. Grant is listed at 100 Merrick Road Suite 100W, Rockville Centre, NY 11570. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with John A. Grant?
The number on file is (516) 632-7050. Contact the office directly to confirm availability and scheduling.
NPI registry
What is John A. Grant's NPI number?
John A. Grant's National Provider Identifier is 1093701278. 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 John A. Grant train?
John A. Grant attended Other, graduating in 1985. This comes from the CMS National Downloadable File.
CMS public data
How long has John A. Grant been practicing?
John A. Grant has 41 years experience. Calculated from a graduation year of 1985, reported in the CMS National Downloadable File.
CMS public data
What procedures does John A. Grant perform?
According to Medicare billing data, John A. Grant the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has John A. Grant confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by John A. Grant. If this is you, claiming it is free.
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