DR. TERESA HSIAO-TIEN CHEN MD
NPI 1679034367
Ophthalmology in Irvine, CA

Q: What is Teresa Chen's NPI number?

The NPI number for Teresa Chen is 1679034367. It was assigned to this individual provider in the NPPES registry on March 26, 2019.

Q: What is Teresa Chen's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Q: When was this NPI record last updated?

The NPPES record for Teresa Chen was last updated on February 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.

Active since March 26, 2019PECOS EnrolledAccepts Medicare Assignment

850 HEALTH SCIENCES RD, IRVINE, CA 92617(949) 824-2020 Get Directions Write a Review

NPPES record last updated: February 7, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Feb 7, 2025, Feb 11, 2023 (2 updates tracked since 2023).

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About Dr. Teresa Hsiao-tien Chen Md NPPES

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

DR. TERESA HSIAO-TIEN CHEN MD (NPI 1679034367) is an individual ophthalmology provider in Irvine, California, licensed in California (A179524) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS and is a graduate of Washington University School Of Medicine (2019).

NPPES Registry Identity

NPI1679034367

Entity TypeIndividualFemale

Primary Taxonomy207W00000X

Provider Legal NameDR. TERESA HSIAO-TIEN CHENCredential: MD

Location Address850 HEALTH SCIENCES RDIrvine, CA 92617-3058

Mailing Address850 Health Sciences RdIrvine, CA 92617-3058 · (949) 824-2020

Phone(949) 824-2020

Sole ProprietorNo

Medical School CMSWashington University School Of MedicineGraduated 2019

Enumeration DateMarch 26, 2019

Last NPPES UpdateFebruary 7, 20252 updates tracked since enumeration

NPPES CertifiedFebruary 7, 2025

✔ NPI 1679034367 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians

Taxonomy Code207W00000X

License✔ Licensed in CA · A179524

Definition

An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

850 HEALTH SCIENCES RD, Irvine, CA 92617

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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 and accepts Medicare assignment

Dr. Teresa Hsiao-tien 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.

PECOS PAC ID5496111296

PECOS Enrollment IDI20230522001095

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 3

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.

Creation of drainage tract from tear sac to nasal cavity 68720

This procedure, called Dacryocystorhinostomy, creates a new pathway for tears to drain from your eye into your nose. It's done when the natural tear duct is blocked or not working properly. It helps prevent tear overflow and eye infections.

23 services20 patients

Tying or biopsy of artery on side of skull 37609

This procedure involves the careful examination or tying off of an artery located at the side of the skull. It's typically done to manage bleeding or to collect tissue samples for analysis. The process is conducted by a medical professional under local or general anesthesia.

11 services11 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92617 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$142.39 typical visit price

range $62.96 – $187.60

Typical copayment $35.59 (range $15.74 – $46.90)

Most-billed visit code 99204

Established Patient

$77.96 typical visit price

range $20.84 – $153.61

Typical copayment $19.49 (range $5.21 – $38.40)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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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.

DR. STEPHEN B PREPAS M.D.

Ophthalmology (Pediatric Ophthalmology and Strabismus Specialist)