Fang-Yu Liu, MD
Infectious Disease Physician · Westlake Village, CA
Fang-Yu Liu, MD is an infectious disease physician with a practice address in Westlake Village, California, and NPI 1104311216, issued on Jun 30, 2018. Check the license (California A173998, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Fang-Yu Liu
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- A173998 CA
Self-reported in NPPES; status is on the state search - Practice location
- 141 Triunfo Canyon RD Ste 110, Westlake Village, CA 91361
- Phone
- (805) 371-1393
- Enumerated
- Jun 30, 2018
- Record last updated
- Aug 27, 2024
- Fax
- (617) 636-7100
- Medicare enrollment
- Enrolled (PECOS I20211104001825); accepts 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 141 Triunfo Canyon RD Ste 110
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Natalie Abrahamian, M.D.Internal Medicine Physician1356882567
- Christine Dahlin, M.D.Internal Medicine Physician1922293786
- Mark HallRheumatology Physician1891181103
- Leslie JohnsonFamily Medicine Physician1083107197
- Alina Katsman, M.D.Adult Medicine Physician1528351459
- Dharushana Muthulingam, MDInfectious Disease Physician1447526231
Verify Fang-Yu Liu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A173998Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average infectious disease physician in 2024
115 Medicare Part D claims for 58 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.
Bills Medicare through one group practice
- The Regents OF The University OF CaliforniaWestlake Village, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Fang-Yu Liu among 1,119 infectious disease physician records in California
Fang-Yu Liu, 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 2018, is newer than 90% of them.
- NPI issued2018 · 90% of these records are older, 8% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2017 · 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 Westlake Village → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Philip McDonald, M.D.Thousand Oaks, CA 913611952644122
- Dharushana Muthulingam, MDWestlake Village, CA 913611447526231
- Ramesh Nathan, MDThousand Oaks, CA 913611215025291
- Joseph Nussbaum, MDWestlake Village, CA 913611922033463
- Sujay Dutta, MDThousand Oaks, CA 913601184712168
- Andrew Ma, MDThousand Oaks, CA 913601528299708
- Mark Mazur, MDThousand Oaks, CA 913601245328228
- E Duane Carmalt, M.D.Tarzana, CA 913561952597627
Common questions
What is Fang-Yu Liu, MD's NPI number?
Fang-Yu Liu, MD's National Provider Identifier (NPI) is 1104311216, issued on Jun 30, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Fang-Yu Liu, MD located?
The NPPES record lists a practice address at 141 Triunfo Canyon RD Ste 110, Westlake Village, CA, 91361. Phone: (805) 371-1393. Providers update this record themselves, so call before visiting.
How can I verify Fang-Yu Liu, MD's license?
NPPES lists California license number A173998, 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 Fang-Yu Liu, MD prescribe under Medicare Part D?
In 2024, Fang-Yu Liu, MD had 115 Medicare Part D claims for 58 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.