Doctor profile · Federal record
Dr. Christopher Hennessy, MD
Emergency Medicine Physician (CMS: Emergency Medicine) · New York, NY
- NPI 1154819456
- Accepts Medicare
- MIPS 93.4 / 100 · 2023
- 8 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
525 E 68Th St
New York, NY 100654870
(212) 746-5454 - Mailing address
-
9208 243Rd St
Bellerose, NY 114261527
Credentials & registration
- NPI registered
- April 2018 — 8 yrs on file
- Profile last updated
- October 5, 2022
- Year of graduation
- 2018 — 8 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- New York #317015
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1154819456. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
408
Distinct HCPCS
4
Medicare allowed
$75,400
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 277 | 272 | $199 | |
99284 |
Emergency department visit with moderate level of medical decision making | 88 | 87 | $136 | |
99291 |
Critical care, first 30-74 minutes | 31 | 31 | $240 | |
99283 |
Emergency department visit with low level of medical decision making | 12 | 12 | $82 |
In context: peer comparison
Among 345 peers in New York Emergency Medicine Physician, average services per provider: 70. This provider delivers 5.8× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Christopher Hennessy's medical specialty?
Dr. Christopher Hennessy practices Emergency Medicine Physician in New York, NY.
Where does Dr. Christopher Hennessy practice?
Dr. Christopher Hennessy practices at 525 E 68Th St, New York, NY 100654870. Office phone: 2127465454.
What is Dr. Christopher Hennessy's NPI?
Dr. Christopher Hennessy's National Provider Identifier (NPI) is 1154819456, issued by NPPES.
Does Dr. Christopher Hennessy accept Medicare assignment?
Yes. Dr. Christopher Hennessy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christopher Hennessy commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.