DR. THU AI PHAN OD
NPI 1679172142
Optometrist in Fullerton, CA

Q: What is Thu Phan's NPI number?

The NPI number for Thu Phan is 1679172142. It was assigned to this individual provider in the NPPES registry on October 25, 2020.

Q: What is Thu Phan's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Q: When was this NPI record last updated?

The NPPES record for Thu Phan was last updated on October 25, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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 October 25, 2020PECOS EnrolledAccepts Medicare Assignment

1909 W MALVERN AVE, FULLERTON, CA 92833(714) 992-8020 Get Directions Write a Review

NPPES record last updated: October 25, 2020. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Dr. Thu Ai Phan Od NPPES

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

DR. THU AI PHAN OD (NPI 1679172142) is an individual optometrist in Fullerton, California, licensed in California (34712) and active in the NPI registry since October 2020. She is enrolled in Medicare PECOS and is a graduate of Illinois College Of Optometry At Chicago (2020).

NPPES Registry Identity

NPI1679172142

Entity TypeIndividualFemale

Primary Taxonomy152W00000X

Provider Legal NameDR. THU AI PHANCredential: OD

Location Address1909 W MALVERN AVEFullerton, CA 92833-2177

Mailing Address1909 W Malvern AveFullerton, CA 92833-2177 · (714) 992-8020

Phone(714) 992-8020

Sole ProprietorNo

Medical School CMSIllinois College Of Optometry At ChicagoGraduated 2020

Enumeration DateOctober 25, 2020

NPPES CertifiedOctober 25, 2020

✔ NPI 1679172142 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers

Taxonomy Code152W00000X

License✔ Licensed in CA · 34712

Definition

Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.

1909 W MALVERN AVE, Fullerton, CA 92833

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and more.Insurance ›

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. Thu Ai Phan Od 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 ID6901216985

PECOS Enrollment IDI20210505001329

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 2

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.

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.

17 services12 patients

Photography of the retina 92250

Photography of the retina, also known as retinal imaging, is a non-invasive procedure that captures images of the back of your eye. This helps doctors identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. It's painless and quick, often part of a routine eye exam.

13 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92833 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.

Other Providers at the Same Location NPPES 4

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

DR. CHRIS HSIEH OD

Optometrist

1909 W MALVERN AVE
FULLERTON, CA 92833

Orange County (714) 992-8020

ALVIN ARELLANO, O.D., INC.

Optometrist (Corneal and Contact Management)

1909 W MALVERN AVE
FULLERTON, CA 92833

Orange County (714) 992-8020

DR. ALVIN ARELLANO O.D.

Optometrist

1909 W MALVERN AVE
FULLERTON, CA 92833

Orange County (714) 992-8020

DR. GEWON SHU O.D.

Optometrist

1909 W MALVERN AVE
FULLERTON, CA 92833

Orange County (714) 992-8020

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 Thu Phan's NPI number?

The NPI number for Thu Phan is 1679172142. It was assigned to this individual provider in the NPPES registry on October 25, 2020.

Where is Thu Phan located?

Thu Phan practices at 1909 W Malvern Ave, Fullerton, CA 92833. The listed phone number is (714) 992-8020.

What is Thu Phan's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Is Thu Phan enrolled in Medicare?

Yes. Thu Phan 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.

What insurance does Thu Phan accept?

Health plans from Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas and 1 other insurer list Thu Phan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Thu Phan was last updated on October 25, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.