Ellen Ly, NP
Nurse Practitioner · Arcadia, CA
Ellen Ly, NP is a nurse practitioner with a practice address in Arcadia, California, and NPI 1215539820, issued on Nov 10, 2020. Check the license (California 2020115166, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ellen Ly
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 2020115166 CA
Self-reported in NPPES; status is on the state search - Practice location
- 289 W Huntington Dr Ste 401, Arcadia, CA 91007
- Phone
- (626) 254-0074
- Enumerated
- Nov 10, 2020
- Record last updated
- Jan 5, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (626) 254-0240
- Medicare enrollment
- Enrolled (PECOS I20240820000906); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 8,223 in California → Look up another NPI →
Also registered at 289 W Huntington Dr Ste 401
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jaime Henriquez, MDInterventional Cardiology Physician1922058718
Verify Ellen Ly in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 2020115166Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average nurse practitioner in 2024
29 Medicare Part D claims, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.
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: $1,048.50
56 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 38,884 providers of this specialty with any payment received $791.64 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 one group practice
- Foothill Cardiology Medical Group IncArcadia, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ellen Ly among 8,223 nurse practitioner records in California
Ellen Ly, NP is one of 8,223 nurse practitioner records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 66% of them.
- NPI issued2020 · 66% of these records are older, 29% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 42% of these records are
- Graduated2020 · median 2017 among the 3,425 with a school on file
- Record last updated2021 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
24 nurse practitioner records list a practice address in Arcadia
They are 24 of the 2,033 NPPES records with a practice address in Arcadia, and 8,223 nurse practitioner records in California.
All 8,223 in California → Every provider in Arcadia → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Tara Abbondanza, NPArcadia, CA 910071730355173
- Alexandra Ching, N.P.Arcadia, CA 910071689913626
- Patricia De La Rocha, NPArcadia, CA 910071194580845
- Raymund Gantioque, DNPArcadia, CA 910071316121817
- Jane Kim, NPArcadia, CA 910071407665169
- Katrina LeongArcadia, CA 910071831653658
- Rose Sun, N.P.Arcadia, CA 910071194913343
- Kelsey Thigpen, NPArcadia, CA 910071801539911
Common questions
What is Ellen Ly, NP's NPI number?
Ellen Ly, NP's National Provider Identifier (NPI) is 1215539820, issued on Nov 10, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Ellen Ly, NP located?
The NPPES record lists a practice address at 289 W Huntington Dr Ste 401, Arcadia, CA, 91007. Phone: (626) 254-0074. Providers update this record themselves, so call before visiting.
How can I verify Ellen Ly, NP's license?
NPPES lists California license number 2020115166, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Ellen Ly, NP prescribe under Medicare Part D?
In 2024, Ellen Ly, NP had 29 Medicare Part D claims; the average among nurse practitioner prescribers was 1,109. 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.