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OAT SINCHAI, M.D., A PROFESSIONAL CORPORATION
NPI 1972849768
Ophthalmology in Orange, CA

Q: What is Oat Sinchai, M.D., A Professional Corporation's specialty?

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

Active since December 24, 2012

439 E CHAPMAN AVE, ORANGE, CA 92866(714) 769-6386(714) 769-6387 Get Directions Write a Review

NPPES record last updated: September 14, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Sep 14, 2026, Sep 24, 2018, May 7, 2018 and 1 more (4 updates tracked since 2016).

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About Oat Sinchai, M.d., A Professional Corporation NPPES

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

OAT SINCHAI, M.D., A PROFESSIONAL CORPORATION (NPI 1972849768) is a healthcare organization registered as an ophthalmology in Orange, California and active in the NPI registry since December 2012. The organization maintains a secondary practice location in Orange and lists Prit Oat Sinchai, Owner / Physician, as its authorized official.

NPPES Registry Identity

NPI1972849768

Entity TypeOrganization

Primary Taxonomy207W00000X

Legal Business NameOAT SINCHAI, M.D., A PROFESSIONAL CORPORATION

Location Address439 E CHAPMAN AVEOrange, CA 92866-1509

Mailing Address439 E Chapman AveOrange, CA 92866-1509 · (714) 769-6386 · Fax (714) 769-6387

Phone(714) 769-6386

Fax(714) 769-6387

Organization SubpartNo

Authorized OfficialPrit Oat SinchaiOwner / Physician · (714) 769-6386

Enumeration DateDecember 24, 2012

Last NPPES UpdateSeptember 14, 20264 updates tracked since enumeration

NPPES CertifiedSeptember 14, 2026

✔ NPI 1972849768 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians

Taxonomy Code207W00000X

License✔ Licensed in CA · A102404

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.

439 E CHAPMAN AVE, Orange, CA 92866

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Secondary Practice Location 1

Location 13111 N Tustin St Ste 150Orange, CA 92865-1752 · Phone (714) 769-6386 · Fax (714) 769-6387

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

Other Providers at the Same Location NPPES

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

PRIT OAT SINCHAI M.D.

Ophthalmology

439 E CHAPMAN AVE
ORANGE, CA 92866

Orange County (714) 769-6386

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 Oat Sinchai, M.D., A Professional Corporation's NPI number?

The NPI number for Oat Sinchai, M.D., A Professional Corporation is 1972849768. It was assigned to this organization in the NPPES registry on December 24, 2012.

Where is Oat Sinchai, M.D., A Professional Corporation located?

Oat Sinchai, M.D., A Professional Corporation is located at 439 E Chapman Ave, Orange, CA 92866. The listed phone number is (714) 769-6386.

What is Oat Sinchai, M.D., A Professional Corporation's specialty?

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

When was this NPI record last updated?

The NPPES record for Oat Sinchai, M.D., A Professional Corporation was last updated on September 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 days 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.