Doctor profile · Federal record
Dr. Ying Liu, PA
Physician Assistant · Saint Louis, MO
- NPI 1609234624
- Accepts Medicare
- MIPS 79.3 / 100 · 2023
- 11 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4921 Parkview Pl, Dept Otolaryngology, Ste 11A
Saint Louis, MO 631101032
(314) 362-7509
fax (314) 362-7522 - Mailing address
-
Po Box 7412011
Chicago, IL 606742011
Credentials & registration
- NPI registered
- February 2016 — 10 yrs on file
- Profile last updated
- November 17, 2025
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- Missouri #2015038426
- Medicaid
- MO #220089586
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1609234624. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
36
Distinct HCPCS
3
Medicare allowed
$2,572
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99221 |
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 13 | 12 | $69 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 12 | 11 | $41 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 11 | 11 | $108 |
In context: peer comparison
Among 118 peers in Saint Louis Physician Assistant, average services per provider: 87. This provider delivers 0.4× the peer median.Frequently asked questions
What is Dr. Ying Liu's medical specialty?
Dr. Ying Liu practices Physician Assistant in Saint Louis, MO.
Where does Dr. Ying Liu practice?
Dr. Ying Liu practices at 4921 Parkview Pl, Saint Louis, MO 631101032. Office phone: 3143627509.
What is Dr. Ying Liu's NPI?
Dr. Ying Liu's National Provider Identifier (NPI) is 1609234624, issued by NPPES.
Does Dr. Ying Liu accept Medicare assignment?
Yes. Dr. Ying Liu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ying Liu commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low level of medical decision making (HCPCS 99221); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.