Michelle W. Ly, D.O.
Emergency Medical Services (Emergency Medicine) Physician · Huntington Beach, CA
Michelle W. Ly, D.O. is an emergency medical services (emergency medicine) physician with a practice address in Huntington Beach, California, and NPI 1811161870, issued on Apr 21, 2008. Check the license (California 20A10691, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michelle W. Ly
- Credential
- D.O.
- Primary taxonomy
- Emergency Medical Services (Emergency Medicine) Physician 207PE0004X
- License numbers
- 20A10691 CA
0036120302 IL
Self-reported in NPPES; status is on the state search - Practice location
- 17772 Beach Blvd, Huntington Beach, CA 92647
- Phone
- (714) 843-5011
- Enumerated
- Apr 21, 2008
- Record last updated
- Nov 30, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest emergency medical services (emergency medicine) physician records → All 233 in California → Look up another NPI →
Also registered at 17772 Beach Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mohammad Alwattar, MDEmergency Medicine Physician1770693541
- David Chen, MDEmergency Medicine Physician1588614648
- Emily Grigsby, M.D.Emergency Medicine Physician1861524415
- Jeremy Halbmaier, RNRegistered Nurse1467388314
- Alexander Hannaman, M.D.Emergency Medicine Physician1962426924
- Shokoufeh Hariri, PHARM.DPharmacist1790260156
Verify Michelle W. Ly in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A10691Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average emergency medical services (emergency medicine) physician in 2024
90 Medicare Part D claims for 64 beneficiaries, against an average of 292 among the 1,653 providers of this specialty who prescribed in Part D. 11 claims were for opioids.
Most prescribed
- Cephalexin13 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.
Michelle W. Ly among 233 emergency medical services (emergency medicine) physician records in California
Michelle W. Ly, D.O. is one of 233 emergency medical services (emergency medicine) physician records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 61% of them.
- NPI issued2008 · 61% of these records are older, 31% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · 42% of these records are
- Record last updated2021 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207PE0004X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medical Services (Emergency Medicine) Physician providers in California
There are 233 emergency medical services (emergency medicine) physician records in California.
All 233 in California → Every provider in Huntington Beach → Emergency Medical Services (Emergency Medicine) Physician nationwide →
The 8 emergency medical services (emergency medicine) physician records with the nearest ZIP codes
- Joanna Chen, M.D.Newport Beach, CA 926581073576807
- William Green, M.D.Newport Beach, CA 926581891758686
- Nathan Gilmore, MDDana Point, CA 926241275725897
- Caroline Han, MDIrvine, CA 926181114952850
- Albert Jin, MDIrvine, CA 926181790738292
- Steven Lin, MDIrvine, CA 926181821044082
- Thomas Ryu, DOIrvine, CA 926181164477410
- Ann Ullrich, MDIrvine, CA 926181891741609
Common questions
What is Michelle W. Ly, D.O.'s NPI number?
Michelle W. Ly, D.O.'s National Provider Identifier (NPI) is 1811161870, issued on Apr 21, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Michelle W. Ly, D.O. located?
The NPPES record lists a practice address at 17772 Beach Blvd, Huntington Beach, CA, 92647. Phone: (714) 843-5011. Providers update this record themselves, so call before visiting.
How can I verify Michelle W. Ly, D.O.'s license?
NPPES lists California license number 20A10691, 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 Michelle W. Ly, D.O. prescribe under Medicare Part D?
In 2024, Michelle W. Ly, D.O. had 90 Medicare Part D claims for 64 beneficiaries; the average among emergency medical services (emergency medicine) physician prescribers was 292. 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.