Liwen Han, MD
Internal Medicine Physician · Riverside, CA
Liwen Han, MD is an internal medicine physician with a practice address in Riverside, California, and NPI 1205030459, issued on Jun 12, 2007. Check the license (California A100283, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Liwen Han
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A100283 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9041 Magnolia Ave Ste 107, Riverside, CA 92503
- Phone
- (951) 328-1850
- Enumerated
- Jun 12, 2007
- Record last updated
- Oct 14, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20070725000275); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Liwen Han in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A100283Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% more Medicare Part D claims than the average internal medicine physician in 2024
5,088 Medicare Part D claims for 778 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 146 claims were for opioids.
Most prescribed
- Atorvastatin Calcium506 claims
- Amlodipine Besylate306 claims
- Losartan Potassium300 claims
- Rosuvastatin Calcium201 claims
- Lisinopril161 claims
- Metformin Hcl146 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupChino, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Liwen Han among 17,696 internal medicine physician records in California
Liwen Han, MD is one of 17,696 internal medicine 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 2007, is newer than 44% of them.
- NPI issued2007 · 44% of these records are older, 44% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1992 · median 2004 among the 11,065 with a school on file
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
187 internal medicine physician records list a practice address in Riverside
They are 187 of the 13,893 NPPES records with a practice address in Riverside, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Riverside → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jennifer Chang, M.D.Riverside, CA 925031831364991
- Roger Cheng, M.D.Riverside, CA 925031265458301
- Willie Citrin, MDRiverside, CA 925031558321497
- Fady Fayad, M.D.Riverside, CA 925031205862612
- Bahaa Girgis, M.D.Riverside, CA 925031154519213
- Naila Khan, D.O.Riverside, CA 925031407303324
- Ahmed Kheiter, MDRiverside, CA 925031194896043
- Amy Lee, MD, FACE, FACGSRiverside, CA 925031639135098
Common questions
What is Liwen Han, MD's NPI number?
Liwen Han, MD's National Provider Identifier (NPI) is 1205030459, issued on Jun 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Liwen Han, MD located?
The NPPES record lists a practice address at 9041 Magnolia Ave Ste 107, Riverside, CA, 92503. Phone: (951) 328-1850. Providers update this record themselves, so call before visiting.
How can I verify Liwen Han, MD's license?
NPPES lists California license number A100283, 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 Liwen Han, MD prescribe under Medicare Part D?
In 2024, Liwen Han, MD had 5,088 Medicare Part D claims for 778 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.