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Edit this profileWhere to find John-Paul Grenier, M.D.
- New York location main office
1468 Madison Ave, New York, NY 10029 - Metairie location
800 Old Metairie Dr, Metairie, LA 70001
About Dr. Grenier
John-Paul Grenier, M.D. is a healthcare provider in New York, NY specializing in diagnostic radiology. John-Paul trained at Louisiana State University School of Medicine in New Orleans, graduating in 2017. According to Medicare claims data, John-Paul cared for 1,779 Medicare patients across 1,911 services. The services billed most often include ct scan head or brain without contrast, x-ray of chest, 1 view, and x-ray of chest, 2 views. This provider record is associated with NPI 1366977092.
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
- (212) 241-6500
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
1468 MADISON AVE
New York, NY 10029
800 Old Metairie Dr
Metairie, LA 70001
Conditions Evaluated or Diagnosed
Within Diagnostic Radiology 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
Abdomen & Pelvis
- Abdominal Pain
- Appendicitis
- Diverticulitis
- Enlarged prostate
- Gallstones
- Kidney stones
- Liver Lesions
- Ovarian cysts
Bone & Joint
- Ankle Sprain or Fracture
- Bone fractures
- Heel pain
- Hip osteoarthritis
- Osteoporosis
- Rotator cuff tear
- Torn meniscus
Brain & Head
- Brain aneurysm
- Brain tumor
- Concussion in Children
- Migraines
- Sinus infection
- Transient ischemic attack
Brain & nerves
Breast
Chest & Heart
General
Heart & blood vessels
Joint & bone
Liver & digestion
Lungs & breathing
Men's health
Neck & Thyroid
Nerve pain
Pelvic health
Spine
Spine & back
Vascular
Women's health
Procedures & services
Breast Imaging
Abdominal imaging
Biopsies
Bone Density
CT Scan
Digestive & liver
Fluoroscopy
General imaging
Heart & blood vessels
Joint & bone
MRI
Nuclear Medicine
Pelvic imaging
Screening & Prevention
Spine & back
Ultrasound
- Abdominal Ultrasound
- Carotid Ultrasound
- Leg Vein Ultrasound
- Pelvic ultrasound
- Scrotal Ultrasound
- Thyroid ultrasound
- Ultrasound
Urinary & kidney
Women's health
X-Ray
Procedures Most Often Billed to Medicare
1,911 services · 1,779 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ct scan head or brain without contrast | Imaging | 70450 |
352 | More often than most peers in Diagnostic Radiology |
| X-ray of chest, 1 view | Imaging | 71045 |
325 | As often as other peers in Diagnostic Radiology |
| X-ray of chest, 2 views | Imaging | 71046 |
202 | More often than most peers in Diagnostic Radiology |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
166 | More often than most peers in Diagnostic Radiology |
| Ct scan of upper spine without contrast | Imaging | 72125 |
120 | More often than most peers in Diagnostic Radiology |
| Ct scan of blood vessels of chest with contrast | Imaging | 71275 |
93 | More often than most peers in Diagnostic Radiology |
| Ct scan of blood vessels of neck with contrast | Imaging | 70498 |
63 | As often as other peers in Diagnostic Radiology |
| Ct scan of blood vessels of head with contrast | Imaging | 70496 |
62 | As often as other peers in Diagnostic Radiology |
| Ct scan of abdomen and pelvis without contrast | Imaging | 74176 |
43 | Less often than most peers in Diagnostic Radiology |
| Ct scan of chest without contrast | Imaging | 71250 |
37 | Less often than most peers in Diagnostic Radiology |
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 radiologists in New York 8
Same specialty, same city.
Trained at Louisiana State University School of Medicine in New Orleans 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2017 at Louisiana State University School of Medicine in New Orleans 8
Providers who graduated from the same medical school in the same year.
Also performs Ct scan head or brain without contrast 8
Providers in NY who bill this service to Medicare most often.
Common questions
What kind of doctor is John-Paul Grenier?
John-Paul Grenier is a radiologist in New York, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Diagnostic Radiology”.
NPI registry
What is John-Paul Grenier's address?
John-Paul Grenier is listed at 1468 Madison Ave, New York, NY 10029. 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-Paul Grenier?
The number on file is (212) 241-6500. Contact the office directly to confirm availability and scheduling.
NPI registry
What is John-Paul Grenier's NPI number?
John-Paul Grenier's National Provider Identifier is 1366977092. 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-Paul Grenier train?
John-Paul Grenier attended Louisiana State University School of Medicine in New Orleans, graduating in 2017. This comes from the CMS National Downloadable File.
CMS public data
How long has John-Paul Grenier been practicing?
John-Paul Grenier has 9 years experience. Calculated from a graduation year of 2017, reported in the CMS National Downloadable File.
CMS public data
What procedures does John-Paul Grenier perform?
According to Medicare billing data, John-Paul Grenier performs imaging including ct scan head or brain without contrast and x-ray of chest, 1 view; provides treatments such as ultrasound study of arm or leg veins with compression and maneuvers. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has John-Paul Grenier confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by John-Paul Grenier. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.