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AMBER YAOYAO CHEN MD, MBA
NPI 1871282582
Allergy & Immunology in San Francisco, CA

Active since May 08, 2023PECOS Enrolled
505 PARNASSUS AVE # 111, SAN FRANCISCO, CA 94143(415) 514-4764 Get Directions Write a Review

NPPES record last updated: June 22, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jun 23, 2023, May 17, 2023, May 8, 2023 (3 updates tracked since 2023).

About Amber Yaoyao Chen Md, Mba NPPES

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

AMBER YAOYAO CHEN MD, MBA (NPI 1871282582) is an individual allergy & immunology provider in San Francisco, California, licensed in California (A208752) and active in the NPI registry since May 2023. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1871282582
Entity TypeIndividualFemale
Primary Taxonomy207K00000X
Provider Legal NameAMBER YAOYAO CHENCredential: MD, MBA
Location Address505 PARNASSUS AVE # 111San Francisco, CA 94143-2204
Mailing Address505 Parnassus Ave # 111San Francisco, CA 94143-2204
Phone(415) 514-4764
Sole ProprietorNo
Enumeration DateMay 8, 2023
Last NPPES UpdateJune 22, 20263 updates tracked since enumeration
NPPES CertifiedJune 22, 2026
✔ NPI 1871282582 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
License✔ Licensed in CA · A208752
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.
Also ListedInternal MedicineTaxonomy 207R00000X · License LP05850 (RI)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License LP05850 (RI), CLP05850 (RI)
505 PARNASSUS AVE # 111, San Francisco, CA 94143
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Amber Yaoyao Chen Md, Mba is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Other Providers at the Same Location NPPES

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

ELIZABETH ANN GAY MD
Internal Medicine
505 PARNASSUS AVE # 111
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-0753

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 Amber Chen's NPI number?

The NPI number for Amber Chen is 1871282582. It was assigned to this individual provider in the NPPES registry on May 8, 2023.

Where is Amber Chen located?

Amber Chen practices at 505 Parnassus Ave # 111, San Francisco, CA 94143. The listed phone number is (415) 514-4764.

What is Amber Chen's specialty?

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

Is Amber Chen enrolled in Medicare?

Yes. Amber Chen is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Amber Chen was last updated on June 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.