Marilyn Li, MD
Pediatric Allergy/Immunology Physician · Los Angeles, CA
Marilyn Li, MD is a pediatric allergy/immunology physician with a practice address in Los Angeles, California, and NPI 1528260825, issued on May 31, 2007. Check the license (California A64596, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Marilyn Li
- Credential
- MD
- Primary taxonomy
- Pediatric Allergy/Immunology Physician 2080P0201X
- License number
- A64596 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1520 San Pablo St Ste 1000, Los Angeles, CA 90033
- Phone
- (323) 442-5100
- Enumerated
- May 31, 2007
- Record last updated
- Aug 22, 2024
- Medicare enrollment
- Enrolled (PECOS I20240819004304); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest pediatric allergy/immunology physician records → All 52 in California → Look up another NPI →
Also registered at 1520 San Pablo St Ste 1000
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Marilyn Li in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A64596Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% fewer Medicare Part D claims than the average pediatric allergy/immunology physician in 2024
111 Medicare Part D claims for 39 beneficiaries, against an average of 259 among the 198 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Montelukast Sodium27 claims
- Fluticasone Propionate20 claims
- Azelastine Hcl14 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: $167.42
1 payment: food and beverage; the largest payer was Grifols USA, LLC. The 289 providers of this specialty with any payment received $7,101.54 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
- Usc Care Medical Group IncLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marilyn Li among 52 pediatric allergy/immunology physician records in California
Marilyn Li, MD is one of 52 pediatric allergy/immunology physician records with a practice address in California. 83% 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 50% of them.
- NPI issued2007 · 50% of these records are older, 35% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1996 · median 1996 among the 26 with a school on file
- Record last updated2024 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0201X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Allergy/Immunology Physician providers in California
There are 52 pediatric allergy/immunology physician records in California.
All 52 in California → Every provider in Los Angeles → Pediatric Allergy/Immunology Physician nationwide →
The 8 pediatric allergy/immunology physician records with the nearest ZIP codes
- Joseph Church, MDLos Angeles, CA 900271942393095
- Ronald Ferdman, MDLos Angeles, CA 900271275626202
- Neema Izadi, MD, MSLos Angeles, CA 900271003278086
- Peck Ong, MDLos Angeles, CA 900271659478865
- Stephanie Rodriguez, PNPLos Angeles, CA 900271336821594
- Elizabeth FeuilleLos Angeles, CA 900671447549019
- Manish Butte, M.D., PH.D.Los Angeles, CA 900951801861216
- Talal Chatila, M.D.Los Angeles, CA 900951952321846
Common questions
What is Marilyn Li, MD's NPI number?
Marilyn Li, MD's National Provider Identifier (NPI) is 1528260825, issued on May 31, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Marilyn Li, MD located?
The NPPES record lists a practice address at 1520 San Pablo St Ste 1000, Los Angeles, CA, 90033. Phone: (323) 442-5100. Providers update this record themselves, so call before visiting.
How can I verify Marilyn Li, MD's license?
NPPES lists California license number A64596, 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 Marilyn Li, MD prescribe under Medicare Part D?
In 2024, Marilyn Li, MD had 111 Medicare Part D claims for 39 beneficiaries; the average among pediatric allergy/immunology physician prescribers was 259. 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.