CHRISTYN MAI PHAN O D INC
NPI 1497823306
Optometrist in Garden Grove, CA

Q: What is Christyn Mai Phan O D Inc's NPI number?

The NPI number for Christyn Mai Phan O D Inc is 1497823306. It was assigned to this organization in the NPPES registry on November 30, 2006.

Q: What is Christyn Mai Phan O D Inc's specialty?

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

Active since November 30, 2006

9862 CHAPMAN AVE STE A, GARDEN GROVE, CA 92841(714) 636-9200(714) 636-9424 Get Directions Write a Review

NPPES record last updated: June 14, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Christyn Mai Phan O D Inc NPPES

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

CHRISTYN MAI PHAN O D INC (NPI 1497823306) is a healthcare organization registered as an optometrist in Garden Grove, California and active in the NPI registry since November 2006. The organization lists Christyn Mai Phan, President, as its authorized official.

NPPES Registry Identity

NPI1497823306

Entity TypeOrganization

Primary Taxonomy152W00000X

Legal Business NameCHRISTYN MAI PHAN O D INC

Location Address9862 CHAPMAN AVE STE AGarden Grove, CA 92841-2726

Mailing Address9862 Chapman Ave Ste AGarden Grove, CA 92841-2726 · (714) 636-9200 · Fax (714) 636-9424

Phone(714) 636-9200

Fax(714) 636-9424

Organization SubpartNo

Authorized OfficialChristyn Mai PhanPresident · (714) 636-9200

Enumeration DateNovember 30, 2006

Last NPPES UpdateJune 14, 2021

NPPES CertifiedJune 14, 2021

✔ NPI 1497823306 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 · 12640T

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.

9862 CHAPMAN AVE STE A, Garden Grove, CA 92841

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Other Identifiers 1

MedicaidSD0126400CA

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Christyn Mai Phan O D Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Christyn Mai Phan O D Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Christyn Mai, O.D.

Optometry

NPI 1518043645

12082 BROOKHURST ST
Garden Grove, CA 92840

(714) 636-9200

✔ PECOS0.2 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Christyn Mai Phan O D Inc's NPI number?

The NPI number for Christyn Mai Phan O D Inc is 1497823306. It was assigned to this organization in the NPPES registry on November 30, 2006.

Where is Christyn Mai Phan O D Inc located?

Christyn Mai Phan O D Inc is located at 9862 Chapman Ave Ste A, Garden Grove, CA 92841. The listed phone number is (714) 636-9200.

What is Christyn Mai Phan O D Inc's specialty?

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

Is Christyn Mai Phan O D Inc enrolled in Medicare?

Yes. Christyn Mai Phan O D Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Christyn Mai Phan O D Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Optometry) reassigns their Medicare billing to Christyn Mai Phan O D Inc. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Christyn Mai Phan O D Inc was last updated on June 14, 2021. 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.