Doctor profile · Federal record
Dr. John Chon, D.O.
Emergency Medicine Physician (CMS: Emergency Medicine) · Covina, CA
- NPI 1184691644
- Accepts Medicare
- 24 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
210 W San Bernardino RD
Covina, CA 917231515
(626) 375-1935 - Mailing address
-
1435 Bradbury RD
San Marino, CA 911082726
Credentials & registration
- NPI registered
- March 2006 — 20 yrs on file
- Profile last updated
- October 25, 2024
- Year of graduation
- 2002 — 24 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- California #20A9192
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1184691644. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
784
Distinct HCPCS
6
Medicare allowed
$95,198
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 226 | 211 | $9 | |
99285 |
Emergency department visit with high level of medical decision making | 209 | 194 | $184 | |
99284 |
Emergency department visit with moderate level of medical decision making | 156 | 150 | $127 | |
99291 |
Critical care, first 30-74 minutes | 143 | 137 | $226 | |
93042 |
Electrocardiogram (ecg) 1 to 3 leads with review by physician only | 37 | 35 | $7 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 13 | 12 | $186 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 124. This provider delivers 6.3× the peer median.Open Payments
Industry payments received
All-time total
$684
Transactions
20
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals LP | 3 | $370.70 | |
| ABBVIE INC. | 12 | $194.22 | |
| Gilead Sciences, Inc. | 4 | $102.52 | |
| Boston Scientific Corporation | 1 | $16.93 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
619
Patients
590
Total drug cost
$5,016
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ibuprofen | Generic | 155 | 148 | $422 |
| Methylprednisolone | Generic | 79 | 76 | $709 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 55 | 52 | $404 |
| Ondansetron Hcl | Generic | 54 | 53 | $193 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 49 | 40 | $1,595 |
| Clindamycin Hcl | Generic | 43 | 41 | $394 |
| Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) | Brand | 42 | 41 | $669 |
| Azithromycin | Generic | 31 | 30 | $159 |
| Prednisone | Generic | 31 | 30 | $62 |
| Potassium Chloride | Generic | 24 | 23 | $81 |
Frequently asked questions
What is Dr. John Chon's medical specialty?
Dr. John Chon practices Emergency Medicine Physician in Covina, CA.
Where does Dr. John Chon practice?
Dr. John Chon practices at 210 W San Bernardino RD, Covina, CA 917231515. Office phone: 6263751935.
What is Dr. John Chon's NPI?
Dr. John Chon's National Provider Identifier (NPI) is 1184691644, issued by NPPES.
Does Dr. John Chon accept Medicare assignment?
Yes. Dr. John Chon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Chon 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 high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.