DR. ANNIE CHEN MD
NPI 1043771173
Internal Medicine - Pulmonary Disease in Irvine, CA
About Dr. Annie Chen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ANNIE CHEN MD (NPI 1043771173) is an individual pulmonary disease provider in Irvine, California, licensed in California (A179927) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS, maintains a secondary practice location in Huntington Beach, and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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. Annie Chen 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92618 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
IRVINE, CA 92618
IRVINE, CA 92618
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 Annie Chen's NPI number?
The NPI number for Annie Chen is 1043771173. It was assigned to this individual provider in the NPPES registry on March 29, 2019.
Where is Annie Chen located?
Annie Chen practices at 1000 Fivepoint, Irvine, CA 92618. The listed phone number is (800) 826-4673.
What is Annie Chen's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is Annie Chen enrolled in Medicare?
Yes. Annie Chen 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 Annie Chen was last updated on September 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Dr. Annie Chen, MD · NPI 1043771173
Pulmonary Disease physician in Irvine, California. Individual provider, active in the CMS NPPES registry since March 29, 2019.
## Identity
- **NPI:** 1043771173 (Entity type: Individual)
- **Enumerated:** March 29, 2019
- **Primary specialty:** Internal Medicine - Pulmonary Disease · taxonomy 207RP1001X
- **State license:** A179927 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1000 FIVEPOINT, Irvine, CA 92618-2377
- **Phone:** (800) 826-4673
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** September 24, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1043771173) · Data from the CMS NPPES public registry.