Clifford Liu, M.D.
Hospitalist Physician · Anaheim, CA
Clifford Liu, M.D. is a hospitalist physician with a practice address in Anaheim, California, and NPI 1831299528, issued on Sep 23, 2006. Check the license (California A70044, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Clifford Liu
- Credential
- M.D.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- A70044 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1801 W Romneya Dr, Anaheim, CA 92801
- Phone
- (714) 772-8282
- Enumerated
- Sep 23, 2006
- Record last updated
- Jul 30, 2025
- Fax
- (714) 772-8252
- Medicaid ID
- 00A700440 CA
- Medicare enrollment
- Enrolled (PECOS I20090813000572); accepts Medicare assignment
- Medical or professional school
- University Of Missouri, Kansas City, School Of Medicine, 1998
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 1801 W Romneya Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Clifford Liu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A70044Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% more Medicare Part D claims than the average hospitalist physician in 2024
822 Medicare Part D claims for 286 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 34 claims were for opioids.
Most prescribed
- Cefpodoxime Proxetil71 claims
- Atorvastatin Calcium65 claims
- Amoxicillin-Clavulanate Potass38 claims
- Amlodipine Besylate30 claims
- Carvedilol30 claims
- Eliquis29 claims
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.
Industry payments in 2024: $473.79
21 payments; by number, the most common kind was food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, Inc. The 7,324 providers of this specialty with any payment received $494.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Providence Medical FoundationFullerton, CA
- Torrance Health Association IncRedondo Beach, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Clifford Liu among 3,099 hospitalist physician records in California
Clifford Liu, M.D. is one of 3,099 hospitalist physician records with a practice address in California. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 73% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated1998 · median 2010 among the 2,505 with a school on file
- Record last updated2025 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in California
There are 3,099 hospitalist physician records in California.
All 3,099 in California → Every provider in Anaheim → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Lawrence Chau, DOAnaheim, CA 928011396221438
- Regina Cuenca, D.O.Anaheim, CA 928011598863540
- Nguyen Dang, M.D.Anaheim, CA 928011679671622
- Mohammad Farukhi, M.D.Anaheim, CA 928011578791661
- Jaya George, M.D,Anaheim, CA 928011568664977
- Yasmine Kamel, MDAnaheim, CA 928011891215570
- Ashley Mires, M.D.Anaheim, CA 928011003916792
- Benjamin Chou, M.D.Anaheim, CA 928041487001590
Common questions
What is Clifford Liu, M.D.'s NPI number?
Clifford Liu, M.D.'s National Provider Identifier (NPI) is 1831299528, issued on Sep 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Clifford Liu, M.D. located?
The NPPES record lists a practice address at 1801 W Romneya Dr, Anaheim, CA, 92801. Phone: (714) 772-8282. Providers update this record themselves, so call before visiting.
How can I verify Clifford Liu, M.D.'s license?
NPPES lists California license number A70044, 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 Clifford Liu, M.D. prescribe under Medicare Part D?
In 2024, Clifford Liu, M.D. had 822 Medicare Part D claims for 286 beneficiaries; the average among hospitalist physician prescribers was 521. 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.