Doctor profile · Federal record

Dr. Timothy Liu, MD

Anesthesiology Physician (CMS: Anesthesiology) · Student in an Organized Health Care Education/Training Program · Washington, DC

  • NPI 1114424801
  • Accepts Medicare
  • 8 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
900 23Rd St Nw
Washington, DC 200372342
(202) 715-4000
Mailing address
2150 Pennsylvania Ave Nw
Washington, DC 200373201

Credentials & registration

NPPES · NUCC
NPI registered
April 2018 — 8 yrs on file
Profile last updated
June 20, 2022
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Arizona #66988

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1114424801. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
134
Distinct HCPCS
3
Medicare allowed
$42,657
HCPCS Description Services Patients Avg allowed
36620 Insertion of artery tube for blood sampling or infusion through skin 73 71 $43
00670 Anesthesia for extensive surgery on spine 42 41 $655
00210 Anesthesia for other procedure on brain 19 19 $633

In context: peer comparison

Among 75 peers in this city , average services per provider: 27. This provider delivers 5.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Timothy Liu's medical specialty?
Dr. Timothy Liu practices Anesthesiology Physician in Washington, DC.
Where does Dr. Timothy Liu practice?
Dr. Timothy Liu practices at 900 23Rd St Nw, Washington, DC 200372342. Office phone: 2027154000.
What is Dr. Timothy Liu's NPI?
Dr. Timothy Liu's National Provider Identifier (NPI) is 1114424801, issued by NPPES.
Does Dr. Timothy Liu accept Medicare assignment?
Yes. Dr. Timothy Liu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Timothy Liu commonly perform?
Top Medicare-reported procedures in 2023: Insertion of artery tube for blood sampling or infusion through skin (HCPCS 36620); Anesthesia for extensive surgery on spine (HCPCS 00670); Anesthesia for other procedure on brain (HCPCS 00210). Source: CMS Medicare Physician & Other Practitioners file.