Doctor profile · Federal record
Dr. Johnson Chiu, MD
Hospitalist Physician (CMS: Internal Medicine) · Internal Medicine Physician · Orange, CA
- NPI 1356412241
- Accepts Medicare
- 25 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1310 W Stewart Dr, Suite 410
Orange, CA 928683854
(714) 639-9401
fax (714) 639-4105
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- October 21, 2020
- Year of graduation
- 2001 — 25 yrs since
- Specialty taxonomy
- 208M00000X — NUCC code
- State license (1)
- California #A87164
- Medicaid
- CA #00A871640
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1356412241. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
489
Distinct HCPCS
5
Medicare allowed
$56,848
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 178 | 90 | $82 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 117 | 62 | $125 | |
99239 |
Hospital discharge day management, more than 30 minutes | 84 | 81 | $121 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 82 | 79 | $183 | |
99238 |
Hospital discharge day management, 30 minutes or less | 28 | 28 | $86 |
In context: peer comparison
Among 28 peers in this city , average services per provider: 119. This provider delivers 4.1× the peer median.Open Payments
Industry payments received
All-time total
$75
Transactions
3
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| SCPHARMACEUTICALS INC. | 1 | $29.98 | |
| PFIZER INC. | 1 | $25.81 | |
| Janssen Pharmaceuticals, Inc | 1 | $19.25 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
66
Patients
54
Total drug cost
$6,791
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 18 | 17 | $162 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 13 | 13 | $106 |
| Cefdinir | Generic | 13 | 13 | $121 |
| Doxycycline Hyclate | Generic | 11 | 11 | $128 |
| Eliquis (Apixaban) | Brand | 11 | 0 | $6,273 |
Hospital affiliations
Frequently asked questions
What is Dr. Johnson Chiu's medical specialty?
Dr. Johnson Chiu practices Hospitalist Physician in Orange, CA.
Where does Dr. Johnson Chiu practice?
Dr. Johnson Chiu practices at 1310 W Stewart Dr, Orange, CA 928683854. Office phone: 7146399401.
What is Dr. Johnson Chiu's NPI?
Dr. Johnson Chiu's National Provider Identifier (NPI) is 1356412241, issued by NPPES.
Does Dr. Johnson Chiu accept Medicare assignment?
Yes. Dr. Johnson Chiu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Johnson Chiu commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.