Lilian Li, DO
Family Medicine Physician · Diamond Bar, CA
Lilian Li, DO is a family medicine physician with a practice address in Diamond Bar, California, and NPI 1730717737, issued on Mar 27, 2020. Check the license (California 20A20729, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Lilian Li
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A20729 CA
Self-reported in NPPES; status is on the state search - Practice location
- 253 S Diamond Bar Blvd, Diamond Bar, CA 91765
- Phone
- (909) 860-1144
- Enumerated
- Mar 27, 2020
- Entity
- Type 1 · individual
Also registered at 253 S Diamond Bar Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ruby Banuelos Calhoun, LCSWClinical Social Worker1902379985
- Emily Krasowsky, MDObstetrics & Gynecology Physician1669933552
- Anne Liao, MDStudent in an Organized Health Care Education/Training Program1164099487
- Jessica Mac, LCSWClinical Social Worker1326561382
- David Rhodes, MDFamily Medicine Physician1518968353
- Loretta Rounds, RNRegistered Nurse1619842101
Verify Lilian Li in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A20729Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
45% fewer Medicare Part D claims than the average family medicine physician in 2024
1,951 Medicare Part D claims for 438 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. 21 claims were for opioids.
Most prescribed
- Atorvastatin Calcium195 claims
- Amlodipine Besylate111 claims
- Losartan Potassium93 claims
- Metformin Hcl58 claims
- Lisinopril57 claims
- Rosuvastatin Calcium54 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: $292.50
15 payments, mostly food and beverage; the largest payer was Lilly USA, LLC. The 53,013 providers of this specialty with any payment received $861.30 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.
One hospital or facility affiliation
- Providence Medical FoundationFullerton, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
24 family medicine physician records list a Diamond Bar practice address
They are 24 of the 598 NPPES records with a Diamond Bar practice address, and 16,272 family medicine physician records in California.
All 24 in Diamond Bar → All 16,272 in California → Every provider in Diamond Bar →
Other family medicine physician records in California
- Omer Aba-Omer, MDSanta Monica, CA1649702093
- Michelle Ababa, MDWilmington, CA1710922513
- Anna Tzeitel Abalos, MDRoseville, CA1720200017
- Adan Abarca, MDAnaheim, CA1760553689
- Vanessa Abarca, DOVentura, CA1952040859
- Lorraine Abate, M.D.Sacramento, CA1104840008
- Robert Abatecola, MDCastro Valley, CA1669551719
- Romeo Abaya, M.D.Cottonwood, CA1598053506
- Effiem Abbah, MD, MPHSan Francisco, CA1821185133
- Khuzeman Abbasi, MDSanta Rosa, CA1841979952
Common questions
What is Lilian Li, DO's NPI number?
Lilian Li, DO's National Provider Identifier (NPI) is 1730717737, issued on Mar 27, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Lilian Li, DO located?
The NPPES record lists a practice address at 253 S Diamond Bar Blvd, Diamond Bar, CA, 91765. Phone: (909) 860-1144. Providers update this record themselves, so call before visiting.
How can I verify Lilian Li, DO's license?
NPPES lists California license number 20A20729, 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 Lilian Li, DO prescribe under Medicare Part D?
In 2024, Lilian Li, DO had 1,951 Medicare Part D claims for 438 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.