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

NPPES Updated May 11, 2026
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

NPPES · NUCC
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

OIG LEIE Updated May 11, 2026

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

CMS Provider Utilization
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

Auto-generated from federal data
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.