Doctor profile · Federal record

Dr. Gigi Liu, M.D.

Diagnostic Radiology Physician (CMS: Internal Medicine) · Internal Medicine Physician · Baltimore, MD

  • NPI 1104125368
  • MIPS 74.4 / 100 · 2023
  • 15 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
600 N Wolfe St
Baltimore, MD 212870005
(410) 955-7911

Credentials & registration

NPPES · NUCC
NPI registered
March 2011 — 15 yrs on file
Profile last updated
October 19, 2021
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State licenses (2)
Maryland #D78332 · Maryland #1457

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1104125368. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
500
Distinct HCPCS
5
Medicare allowed
$54,690
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 224 80 $82
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 193 84 $126
99239 Hospital discharge day management, more than 30 minutes 40 40 $122
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 31 31 $178
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 12 12 $138

In context: peer comparison

Among 175 peers in Baltimore Diagnostic Radiology Physician, average services per provider: 377. This provider delivers 1.3× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gigi Liu's medical specialty?
Dr. Gigi Liu practices Diagnostic Radiology Physician in Baltimore, MD.
Where does Dr. Gigi Liu practice?
Dr. Gigi Liu practices at 600 N Wolfe St, Baltimore, MD 212870005. Office phone: 4109557911.
What is Dr. Gigi Liu's NPI?
Dr. Gigi Liu's National Provider Identifier (NPI) is 1104125368, issued by NPPES.
Does Dr. Gigi Liu accept Medicare assignment?
Dr. Gigi Liu does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Gigi Liu 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.