Doctor profile · Federal record
Dr. Joseph Chu, MD
Emergency Medical Services (Emergency Medicine) Physician (CMS: Emergency Medicine) · Warrenton, VA
- NPI 1104832278
- Accepts Medicare
- MIPS 92.3 / 100 · 2023
- 25 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
500 Hospital Dr
Warrenton, VA 201863027
(540) 349-0595 - Mailing address
-
Po Box 223323
Chantilly, VA 201533323
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- May 6, 2008
- Year of graduation
- 2001 — 25 yrs since
- Specialty taxonomy
- 207PE0004X — NUCC code
- State license (1)
- Virginia #0101234590
- Medicaid (2)
- VA #010096880 · VA #010119278
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1104832278. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
440
Distinct HCPCS
4
Medicare allowed
$77,446
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 203 | 201 | $191 | |
99284 |
Emergency department visit with moderate level of medical decision making | 94 | 94 | $131 | |
99291 |
Critical care, first 30-74 minutes | 84 | 81 | $232 | |
99292 |
Critical care, each additional 30 minutes | 59 | 57 | $118 |
In context: peer comparison
Among 7 peers in Warrenton Emergency Medical Services (Emergency Medicine) Physician, average services per provider: 86. This provider delivers 5.1× the peer median.Open Payments
Industry payments received
All-time total
$35
Transactions
2
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| E.R. Squibb & Sons, L.L.C. | 2 | $34.71 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
82
Patients
82
Total drug cost
$429
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) | Brand | 22 | 22 | $59 |
| Ondansetron Odt (Ondansetron) | Brand | 17 | 17 | $78 |
| Prednisone | Generic | 16 | 16 | $40 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 14 | 14 | $126 |
| Ciprofloxacin Hcl | Generic | 13 | 13 | $126 |
Hospital affiliations
Frequently asked questions
What is Dr. Joseph Chu's medical specialty?
Dr. Joseph Chu practices Emergency Medical Services (Emergency Medicine) Physician in Warrenton, VA.
Where does Dr. Joseph Chu practice?
Dr. Joseph Chu practices at 500 Hospital Dr, Warrenton, VA 201863027. Office phone: 5403490595.
What is Dr. Joseph Chu's NPI?
Dr. Joseph Chu's National Provider Identifier (NPI) is 1104832278, issued by NPPES.
Does Dr. Joseph Chu accept Medicare assignment?
Yes. Dr. Joseph Chu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joseph Chu 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.