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NGOC NGUYEN MD INC
NPI 1639238140
Ophthalmology in San Jose, CA

Active since December 08, 2006
2380 MONTPELIER DR STE 300, SAN JOSE, CA 95116(408) 272-3706(408) 254-4094 Get Directions Write a Review

NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Ngoc Nguyen Md Inc NPPES

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

NGOC NGUYEN MD INC (NPI 1639238140) is a healthcare organization registered as an ophthalmology in San Jose, California and active in the NPI registry since December 2006. The organization lists Nguyen Nguyen, Owner, as its authorized official.

NPPES Registry Identity

NPI1639238140
Entity TypeOrganization
Primary Taxonomy207W00000X
Legal Business NameNGOC NGUYEN MD INC
Location Address2380 MONTPELIER DR STE 300San Jose, CA 95116-1620
Mailing Address2380 Montpelier Dr Ste 300San Jose, CA 95116-1620 · (408) 272-3706 · Fax (408) 254-4094
Phone(408) 272-3706
Fax(408) 254-4094
Organization SubpartNo
Authorized OfficialNguyen NguyenOwner · (408) 272-3706
Enumeration DateDecember 8, 2006
Last NPPES UpdateAugust 22, 2020
✔ NPI 1639238140 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License✔ Licensed in CA · G070053
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.
2380 MONTPELIER DR STE 300, San Jose, CA 95116
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Other Identifiers 1

MedicaidGR0093880CA

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)

Ngoc Nguyen Md Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

4

Medicare enrollment records show 4 clinicians reassign Medicare billing to Ngoc Nguyen MD Inc, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 3 within 10 miles. They are listed nearest first.

Clinicians, nearest first (4)

Ngoc Nguyen, M.D.
Ophthalmology
NPI 1609935113
2380 MONTPELIER DR STE 300
San Jose, CA 95116
(408) 272-3706
✔ PECOS✔ Accepts MedicareSame address
Kari Tran, O.D
Optometry
NPI 1013211523
2380 MONTPELIER DR STE 300
San Jose, CA 95116
(408) 272-3706
✔ PECOSSame address
Catherine Pham, MD
Ophthalmology
NPI 1760474159
220 MERIDIAN AVE
San Jose, CA 95126
(408) 869-3400
✔ PECOS✔ Accepts Medicare4.6 mi
Timothy Truong, MD
Ophthalmology
NPI 1013576644
1411 E 31ST ST
Oakland, CA 94602
(510) 437-4800
✔ PECOS✔ Accepts Medicare37 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 Ngoc Nguyen MD Inc's NPI number?

The NPI number for Ngoc Nguyen MD Inc is 1639238140. It was assigned to this organization in the NPPES registry on December 8, 2006.

Where is Ngoc Nguyen MD Inc located?

Ngoc Nguyen MD Inc is located at 2380 Montpelier Dr Ste 300, San Jose, CA 95116. The listed phone number is (408) 272-3706.

What is Ngoc Nguyen MD Inc's specialty?

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

Is Ngoc Nguyen MD Inc enrolled in Medicare?

Yes. Ngoc Nguyen MD Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Ngoc Nguyen MD Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians in 2 Medicare specialties reassign their Medicare billing to Ngoc Nguyen MD 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. The largest specialties are Ophthalmology (3) and Optometry (1). Of these, 2 practice at this address and 3 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Ngoc Nguyen MD Inc was last updated on August 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.