Katherine Tianqi Li, MD
Infectious Disease Physician · Los Angeles, CA
Katherine Tianqi Li, MD is an infectious disease physician with a practice address in Los Angeles, California, and NPI 1235699414, issued on Mar 22, 2019. Check the license (California A178610, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Katherine Tianqi Li
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- A178610 CA
Self-reported in NPPES; status is on the state search - Practice location
- 200 Ucla Medical Plz Ste 365C, Los Angeles, CA 90095
- Phone
- (310) 206-7663
- Enumerated
- Mar 22, 2019
- Record last updated
- Aug 27, 2024
- Medicare enrollment
- Enrolled (PECOS I20251014000720); may accept Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 1,119 in California → Look up another NPI →
Also registered at 200 Ucla Medical Plz Ste 365C
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Paul Adamson, MD, MPHInfectious Disease Physician1639558455
- Oladunni Adeyiga, MDInfectious Disease Physician1801809751
- Timothy Brewer, MDInfectious Disease Physician1174523245
- Pryce Gaynor, M.D.Infectious Disease Physician1972916955
- Jonathan Herman, M.D. PH.D.Infectious Disease Physician1104289586
- Seth Judson, MDInfectious Disease Physician1922560408
Verify Katherine Tianqi Li in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A178610Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average infectious disease physician in 2024
32 Medicare Part D claims for 15 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
One hospital affiliation
- Montefiore Medical CenterBronx, NY · Acute Care Hospitals3 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Katherine Tianqi Li among 1,119 infectious disease physician records in California
Katherine Tianqi Li, MD is one of 1,119 infectious disease physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 92% of them.
- NPI issued2019 · 92% of these records are older, 5% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2019 · median 2003 among the 735 with a school on file
- Record last updated2024 · 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 207RI0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in California
There are 1,119 infectious disease physician records in California.
All 1,119 in California → Every provider in Los Angeles → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Oladunni Adeyiga, MDLos Angeles, CA 900951801809751
- Timothy Brewer, MDLos Angeles, CA 900951174523245
- Judith Currier, MDLos Angeles, CA 900951508882614
- Milan Fiala, MDLos Angeles, CA 900951730270737
- Aric Gregson, MDLos Angeles, CA 900951588683007
- Bernard Kubak, MDLos Angeles, CA 900951831118876
- Michael Lovett, MDLos Angeles, CA 900951053330902
- Glenn Mathisen, MDLos Angeles, CA 900951376564948
Common questions
What is Katherine Tianqi Li, MD's NPI number?
Katherine Tianqi Li, MD's National Provider Identifier (NPI) is 1235699414, issued on Mar 22, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Tianqi Li, MD located?
The NPPES record lists a practice address at 200 Ucla Medical Plz Ste 365C, Los Angeles, CA, 90095. Phone: (310) 206-7663. Providers update this record themselves, so call before visiting.
How can I verify Katherine Tianqi Li, MD's license?
NPPES lists California license number A178610, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Katherine Tianqi Li, MD prescribe under Medicare Part D?
In 2024, Katherine Tianqi Li, MD had 32 Medicare Part D claims for 15 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.
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.