Lily Hoanglan Do, DO
Internal Medicine Physician · Bellflower, CA
Lily Hoanglan Do, DO is an internal medicine physician with a practice address in Bellflower, California, and NPI 1841433653, issued on Apr 8, 2009. Check the license (California 20A10665, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Lily Hoanglan Do
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 20A10665 CA
Self-reported in NPPES; status is on the state search - Practice location
- 17660 Lakewood Blvd, Bellflower, CA 90706
- Phone
- (562) 461-1179
- Enumerated
- Apr 8, 2009
- Record last updated
- Apr 28, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180309002124); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 17660 Lakewood Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Lily Hoanglan Do in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A10665Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,465 Medicare Part D claims for 420 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Ibuprofen91 claims
- Atorvastatin Calcium89 claims
- Azithromycin69 claims
- Losartan Potassium65 claims
- Amlodipine Besylate54 claims
- Amoxicillin-Clavulanate Potass47 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
- Family Choice Aco IncWestminster, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lily Hoanglan Do among 17,696 internal medicine physician records in California
Lily Hoanglan Do, DO 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 2009, is newer than 60% of them.
- NPI issued2009 · 60% of these records are older, 37% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2001 · 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).
72 internal medicine physician records list a practice address in Bellflower
They are 72 of the 1,468 NPPES records with a practice address in Bellflower, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Bellflower → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Alem Asrat, MDBellflower, CA 907061801967724
- Asha Bisht, MDBellflower, CA 907061568533487
- Jane Fealy, MDBellflower, CA 907061700957743
- Ghassan Gholmieh, MDBellflower, CA 907061164599064
- Calvin Hong, MDBellflower, CA 907061497822316
- Rowena Javier, MDBellflower, CA 907061366513285
- Chandrabhan Kewalramani, MDBellflower, CA 907061629149521
- Charles Kung, M.D.Bellflower, CA 907061922014174
Common questions
What is Lily Hoanglan Do, DO's NPI number?
Lily Hoanglan Do, DO's National Provider Identifier (NPI) is 1841433653, issued on Apr 8, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Lily Hoanglan Do, DO located?
The NPPES record lists a practice address at 17660 Lakewood Blvd, Bellflower, CA, 90706. Phone: (562) 461-1179. Providers update this record themselves, so call before visiting.
How can I verify Lily Hoanglan Do, DO's license?
NPPES lists California license number 20A10665, 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 Lily Hoanglan Do, DO prescribe under Medicare Part D?
In 2024, Lily Hoanglan Do, DO had 1,465 Medicare Part D claims for 420 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.