Doctor profile · Federal record
Dr. Jonathan Grenadir, M.D.
Emergency Medicine Physician (CMS: Emergency Medicine) · New York, NY
- NPI 1861855314
- Accepts Medicare
- 10 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1000 10Th Ave
New York, NY 100191147
(212) 523-4000
Credentials & registration
- NPI registered
- April 2016 — 10 yrs on file
- Profile last updated
- May 23, 2019
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- New York #297429
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1861855314. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
448
Distinct HCPCS
7
Medicare allowed
$50,969
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 166 | 146 | $9 | |
99284 |
Emergency department visit with moderate level of medical decision making | 112 | 111 | $136 | |
99285 |
Emergency department visit with high level of medical decision making | 91 | 91 | $198 | |
99291 |
Critical care, first 30-74 minutes | 35 | 35 | $240 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 17 | 17 | $190 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 14 | 14 | $250 | |
99283 |
Emergency department visit with low level of medical decision making | 13 | 13 | $82 |
In context: peer comparison
Among 345 peers in New York Emergency Medicine Physician, average services per provider: 70. This provider delivers 6.4× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
12
Patients
0
Total drug cost
$49
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ibuprofen | Generic | 12 | 0 | $49 |
Hospital affiliations
Frequently asked questions
What is Dr. Jonathan Grenadir's medical specialty?
Dr. Jonathan Grenadir practices Emergency Medicine Physician in New York, NY.
Where does Dr. Jonathan Grenadir practice?
Dr. Jonathan Grenadir practices at 1000 10Th Ave, New York, NY 100191147. Office phone: 2125234000.
What is Dr. Jonathan Grenadir's NPI?
Dr. Jonathan Grenadir's National Provider Identifier (NPI) is 1861855314, issued by NPPES.
Does Dr. Jonathan Grenadir accept Medicare assignment?
Yes. Dr. Jonathan Grenadir accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jonathan Grenadir commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285). Source: CMS Medicare Physician & Other Practitioners file.