Doctor profile · Federal record
Dr. James Hwang, DO
Family Medicine Physician (CMS: Family Practice) · Riverside, CA
- NPI 1558419473
- Accepts Medicare
- 33 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
10800 Magnolia Ave
Riverside, CA 925053043
(909) 353-2000
Credentials & registration
- NPI registered
- January 2007 — 19 yrs on file
- Profile last updated
- December 1, 2021
- Year of graduation
- 1993 — 33 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- California #20A6559
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1558419473. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
11
Distinct HCPCS
1
Medicare allowed
$643
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99441 |
Telephone medical discussion with physician, 5-10 minutes | 11 | 11 | $58 |
In context: peer comparison
Among 37 peers in this city , average services per provider: 65. This provider delivers 0.2× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
3,530
Patients
1,157
Total drug cost
$51,209
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 616 | 204 | $8,859 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 328 | 54 | $7,627 |
| Amlodipine Besylate | Generic | 313 | 113 | $3,809 |
| Metformin Hcl | Generic | 267 | 89 | $3,455 |
| Levothyroxine Sodium | Generic | 259 | 82 | $5,965 |
| Lisinopril | Generic | 253 | 96 | $3,118 |
| Lisinopril-Hydrochlorothiazide (Lisinopril/Hydrochlorothiazide) | Brand | 236 | 77 | $3,074 |
| Losartan Potassium | Generic | 211 | 71 | $2,670 |
| Rosuvastatin Calcium | Generic | 182 | 72 | $2,582 |
| Omeprazole | Generic | 178 | 68 | $1,807 |
Hospital affiliations
Frequently asked questions
What is Dr. James Hwang's medical specialty?
Dr. James Hwang practices Family Medicine Physician in Riverside, CA.
Where does Dr. James Hwang practice?
Dr. James Hwang practices at 10800 Magnolia Ave, Riverside, CA 925053043. Office phone: 9093532000.
What is Dr. James Hwang's NPI?
Dr. James Hwang's National Provider Identifier (NPI) is 1558419473, issued by NPPES.
Does Dr. James Hwang accept Medicare assignment?
Yes. Dr. James Hwang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Hwang commonly perform?
Top Medicare-reported procedures in 2023: Telephone medical discussion with physician (HCPCS 99441). Source: CMS Medicare Physician & Other Practitioners file.