Timothy Liu, MD
Anesthesiology Physician · Washington, DC
Timothy Liu, MD is an anesthesiology physician with a practice address in Washington, District of Columbia, and NPI 1114424801, issued on Apr 9, 2018. Check the license on the District of Columbia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Timothy Liu
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 66988 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 900 23RD St NW, Washington, DC 20037
- Phone
- (202) 715-4000
- Enumerated
- Apr 9, 2018
- Record last updated
- Jun 20, 2022
- Medicare enrollment
- Enrolled (PECOS I20220708002278); accepts Medicare assignment
- Medical or professional school
- Creighton University School Of Medicine, 2018
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 317 in District of Columbia → Look up another NPI →
Also registered at 900 23RD St NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Timothy Liu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDistrict of Columbia Board of MedicineCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Sjhmc Physician ServicesPhoenix, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Timothy Liu among 317 anesthesiology physician records in District of Columbia
Timothy Liu, MD is one of 317 anesthesiology physician records with a practice address in District of Columbia. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 82% of them.
- NPI issued2018 · 82% of these records are older, 14% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2018 · median 2006 among the 222 with a school on file
- Record last updated2022 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a District of Columbia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anesthesiology Physician providers in District of Columbia
There are 317 anesthesiology physician records in District of Columbia.
All 317 in District of Columbia → Every provider in Washington → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Jeffrey Berger, M.D., M.B.A.Washington, DC 200371881684090
- Wendell Boulware, MDWashington, DC 200371336111392
- Paul Dangerfield, MDWashington, DC 200371568430940
- Ronald Guritzky, MDWashington, DC 200371164490546
- Italo Ibi, MDWashington, DC 200371275501744
- Krishna Joseph, MDWashington, DC 200371750359121
- Christopher Junker, MDWashington, DC 200371295794170
- Ryan Keneally, MDWashington, DC 200371457321697
Common questions
What is Timothy Liu, MD's NPI number?
Timothy Liu, MD's National Provider Identifier (NPI) is 1114424801, issued on Apr 9, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Timothy Liu, MD located?
The NPPES record lists a practice address at 900 23RD St NW, Washington, DC, 20037. Phone: (202) 715-4000. Providers update this record themselves, so call before visiting.
How can I verify Timothy Liu, MD's license?
Search the District of Columbia Board of Medicine at https://dchealth.dc.gov/bomed. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.