Doctor profile · Federal record
Dr. Calvin Hwang, M.D.
Critical Care Medicine (Internal Medicine) Physician · Pulmonary Disease Physician · Flushing, NY
- NPI 1861554495
- MIPS 93.4 / 100 · 2023
- 20 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
5645 Main St Dept of
Flushing, NY 113555045
(718) 912-0632 - Mailing address
-
56-45 Main Street, Dept. of Medicine, 5 South
Queens, NY 11355
Credentials & registration
- NPI registered
- December 2006 — 20 yrs on file
- Profile last updated
- December 5, 2022
- Specialty taxonomy
- 207RC0200X — NUCC code
- State license (1)
- New York #236985
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1861554495. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
80
Distinct HCPCS
1
Medicare allowed
$19,905
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99291 |
Critical care, first 30-74 minutes | 80 | 37 | $249 |
In context: peer comparison
Among 4 peers in this city , average services per provider: 91. This provider delivers 0.9× the peer median.Frequently asked questions
What is Dr. Calvin Hwang's medical specialty?
Dr. Calvin Hwang practices Critical Care Medicine (Internal Medicine) Physician in Flushing, NY.
Where does Dr. Calvin Hwang practice?
Dr. Calvin Hwang practices at 5645 Main St Dept of, Flushing, NY 113555045. Office phone: 7189120632.
What is Dr. Calvin Hwang's NPI?
Dr. Calvin Hwang's National Provider Identifier (NPI) is 1861554495, issued by NPPES.
What procedures does Dr. Calvin Hwang commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.