Doctor profile · Federal record
Dr. Yio-Fan Hsu, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Orange, CA
- NPI 1588989529
- Accepts Medicare
- 16 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
2501 E Chapman Ave, St. Joseph Heritage Medical Group
Orange, CA 928693204
(714) 633-1011
fax (714) 633-4883
Credentials & registration
- NPI registered
- April 2010 — 16 yrs on file
- Profile last updated
- November 3, 2021
- Year of graduation
- 2010 — 16 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A118854
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1588989529. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
656
Distinct HCPCS
6
Medicare allowed
$65,806
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 404 | 150 | $83 | |
99238 |
Hospital discharge day management, 30 minutes or less | 82 | 80 | $86 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 65 | 65 | $183 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 50 | 37 | $125 | |
99239 |
Hospital discharge day management, more than 30 minutes | 32 | 32 | $121 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 23 | 23 | $137 |
In context: peer comparison
Among 42 peers in Orange Internal Medicine Physician, average services per provider: 103. This provider delivers 6.4× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
63
Patients
62
Total drug cost
$294
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 19 | 18 | $108 |
| Azithromycin | Generic | 18 | 18 | $69 |
| Cephalexin | Generic | 15 | 15 | $80 |
| Furosemide | Generic | 11 | 11 | $37 |
Frequently asked questions
What is Dr. Yio-Fan Hsu's medical specialty?
Dr. Yio-Fan Hsu practices Internal Medicine Physician in Orange, CA.
Where does Dr. Yio-Fan Hsu practice?
Dr. Yio-Fan Hsu practices at 2501 E Chapman Ave, Orange, CA 928693204. Office phone: 7146331011.
What is Dr. Yio-Fan Hsu's NPI?
Dr. Yio-Fan Hsu's National Provider Identifier (NPI) is 1588989529, issued by NPPES.
Does Dr. Yio-Fan Hsu accept Medicare assignment?
Yes. Dr. Yio-Fan Hsu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Yio-Fan Hsu commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99238); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.