Physician Profile
Jonathan Grenadir, M.D.
Unclaimed ProfileAbout Dr. Grenadir
Jonathan Grenadir, M.D. practices emergency medicine in New York, NY. Jonathan is a 2016 graduate of Tulane University School of Medicine. According to Medicare claims data, Jonathan cared for 342 Medicare patients across 357 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
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (212) 523-4000
- Email not available
Practice Locations
1000 10TH AVE
New York, NY 10019
Procedures Most Often Billed to Medicare
357 services · 342 patients · 5 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
124 |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
134 |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
51 |
| Critical care, first 30-74 minutes | Office visit | 99291 |
36 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
12 |
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 emergency medicines at this location 6
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 32 related providers in 4 groups
Other emergency medicines in New York 8
Same specialty, same city.
Trained at Tulane University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2016 at Tulane University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 8
Providers in NY who bill this service to Medicare most often.
Common questions
What is Dr. Grenadir's specialty?
Dr. Grenadir is an emergency medicine in New York, NY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “EMERGENCY MEDICINE”.
NPI registry
Where can I find Dr. Grenadir?
Dr. Grenadir is listed at 1000 10TH AVE, New York, NY 10019. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Grenadir?
The number on file is (212) 523-4000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Grenadir's NPI number?
Dr. Grenadir's National Provider Identifier is 1861855314. 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
What is Dr. Grenadir's medical education?
Dr. Grenadir attended Tulane University School of Medicine, graduating in 2016. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Grenadir been practicing?
Dr. Grenadir has 10 years experience. Calculated from a graduation year of 2016, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Grenadir known for?
According to Medicare billing data, Dr. Grenadir provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Grenadir confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Grenadir. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.