Doctor profile · Federal record
Dr. Lanny Hsieh, MD
Hospitalist Physician (CMS: Infectious Disease) · Internal Medicine Physician · Infectious Disease Physician · Orange, CA
- NPI 1184828444
- Accepts Medicare
- 27 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
101 the City Dr S
Orange, CA 928683201
(714) 456-8068
fax (714) 456-3765 - Mailing address
-
Po Box 54509
Los Angeles, CA 900540509
Credentials & registration
- NPI registered
- June 2007 — 19 yrs on file
- Profile last updated
- November 30, 2023
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 208M00000X — NUCC code
- State license (1)
- California #A74172
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1184828444. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
473
Distinct HCPCS
6
Medicare allowed
$57,867
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 196 | 77 | $127 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 120 | 71 | $85 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 59 | 59 | $139 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 55 | 54 | $186 | |
99239 |
Hospital discharge day management, more than 30 minutes | 31 | 31 | $124 | |
99451 |
Telephone, internet, or electronic health record assessment and management with written report by consulting physician, at least 5 minutes | 12 | 11 | $38 |
In context: peer comparison
Among 28 peers in this city , average services per provider: 119. This provider delivers 4.0× the peer median.Frequently asked questions
What is Dr. Lanny Hsieh's medical specialty?
Dr. Lanny Hsieh practices Hospitalist Physician in Orange, CA.
Where does Dr. Lanny Hsieh practice?
Dr. Lanny Hsieh practices at 101 the City Dr S, Orange, CA 928683201. Office phone: 7144568068.
What is Dr. Lanny Hsieh's NPI?
Dr. Lanny Hsieh's National Provider Identifier (NPI) is 1184828444, issued by NPPES.
Does Dr. Lanny Hsieh accept Medicare assignment?
Yes. Dr. Lanny Hsieh accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lanny Hsieh commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.