Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MARILYN LI MD
NPI 1528260825
Allergy & Immunology in Beverly Hills, CA

Q: What is Marilyn Li's NPI number?

The NPI number for Marilyn Li is 1528260825. It was assigned to this individual provider in the NPPES registry on May 31, 2007.

Q: What is Marilyn Li's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Q: When was this NPI record last updated?

The NPPES record for Marilyn Li was last updated on August 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since May 31, 2007PECOS Enrolled

250 N ROBERTSON BLVD STE 501, BEVERLY HILLS, CA 90211(310) 423-3040 Get Directions Write a Review

NPPES record last updated: August 25, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Aug 25, 2026, Aug 22, 2024, May 5, 2022 (3 updates tracked since 2022).

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About Dr. Marilyn Li Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARILYN LI MD (NPI 1528260825) is an individual allergy & immunology provider in Beverly Hills, California, licensed in California (A64596) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS, maintains a secondary practice location in Los Angeles, and is a graduate of Other (1996).

NPPES Registry Identity

NPI1528260825

Entity TypeIndividualFemale

Primary Taxonomy207K00000X

Provider Legal NameDR. MARILYN LICredential: MD

Location Address250 N ROBERTSON BLVD STE 501Beverly Hills, CA 90211-1770

Mailing AddressPo Box 31309Los Angeles, CA 90031-0309 · (323) 442-5100

Phone(310) 423-3040

Sole ProprietorNo

Medical School CMSOtherGraduated 1996

Enumeration DateMay 31, 2007

Last NPPES UpdateAugust 25, 20263 updates tracked since enumeration

NPPES CertifiedAugust 25, 2026

✔ NPI 1528260825 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians

Taxonomy Code207K00000X

License✔ Licensed in CA · A64596

Definition

An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.

250 N ROBERTSON BLVD STE 501, Beverly Hills, CA 90211

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Secondary Practice Location 1

Location 11520 San Pablo St Ste 1000Los Angeles, CA 90033-5312 · Phone (323) 442-5100

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Marilyn Li Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4688966161

PECOS Enrollment IDI20240819004304

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

11 services11 patients

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JACK DITLOVE M.D.

Internal Medicine (Nephrology)

250 N ROBERTSON BLVD STE 501
BEVERLY HILLS, CA 90211

Los Angeles County (310) 274-0200

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Marilyn Li's NPI number?

The NPI number for Marilyn Li is 1528260825. It was assigned to this individual provider in the NPPES registry on May 31, 2007.

Where is Marilyn Li located?

Marilyn Li practices at 250 N Robertson Blvd Ste 501, Beverly Hills, CA 90211. The listed phone number is (310) 423-3040.

What is Marilyn Li's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is Marilyn Li enrolled in Medicare?

Yes. Marilyn Li is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Marilyn Li was last updated on August 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.