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QUANG NGUYEN O.D.
NPI 1417948449
Optometrist in San Diego, CA

Active since October 31, 2005PECOS EnrolledAccepts Medicare Assignment
6945 EL CAJON BLVD, SAN DIEGO, CA 92115(619) 697-4600(619) 464-5526 Get Directions Write a Review

NPPES record last updated: November 29, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Quang Nguyen O.d. NPPES

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

QUANG NGUYEN O.D. (NPI 1417948449) is an individual optometrist in San Diego, California, licensed in California (OPT11814) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS and is a graduate of Other (2001).

NPPES Registry Identity

NPI1417948449
Entity TypeIndividualMale
Primary Taxonomy152W00000X
Provider Legal NameQUANG NGUYENCredential: O.D.
Location Address6945 EL CAJON BLVDSan Diego, CA 92115-1754
Mailing Address6945 El Cajon BlvdSan Diego, CA 92115-1754 · (619) 697-4600 · Fax (619) 464-5526
Phone(619) 697-4600
Fax(619) 464-5526
Sole ProprietorNo
Medical School CMSOtherGraduated 2001
Enumeration DateOctober 31, 2005
Last NPPES UpdateNovember 29, 2021
✔ NPI 1417948449 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 · OPT11814
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.
6945 EL CAJON BLVD, San Diego, CA 92115
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Other Identifiers 2

OtherOPT11814CA · State License Number
MedicaidGR0052930CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Quang Nguyen O.d. 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 ID2365475050
PECOS Enrollment IDI20050913001344
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.

Medicare Billing Reassignment

Medicare enrollment records show Quang Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group
3.2 mi
Health Maintenance Organization
4647 ZION AVE
San Diego, CA 92120
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1225060742 (619) 528-5000

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

Areas of Expertise CMS Part B claims

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 problem focused exam of visual system 92012
This is a routine check-up for existing patients focusing on the visual system. It involves examining your eyes to detect any potential issues or changes in your vision. It's a crucial part of maintaining good eye health.
12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92115 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
$140.22 typical visit price
range $62.10 – $184.71
Typical copayment $35.05 (range $15.52 – $46.17)
Most-billed visit code 99204
Established Patient
$76.87 typical visit price
range $20.62 – $151.42
Typical copayment $19.21 (range $5.15 – $37.85)
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 16

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

BRENDA J SWIDERSKI O.D.
Optometrist
6945 EL CAJON BLVD
SAN DIEGO, CA 92115
San Diego County (619) 697-4600
SHARON MICHELLE DYER
Optometrist
6945 EL CAJON BLVD
SAN DIEGO, CA 92115
San Diego County (619) 697-4600
RETINA INSTITUTE OF CALIFORNIA MEDICAL GROUP, A CALIFORNIA MEDICAL PAR
Ophthalmology
6945 EL CAJON BLVD
SAN DIEGO, CA 92115
San Diego County (619) 697-4600
YASMIN AGHA KOUCHAK O.D
Optometrist
6945 EL CAJON BLVD
SAN DIEGO, CA 92115
San Diego County (800) 898-2020
DR. DEBRA LYNN MCINTYRE O.D.
Optometrist
6945 EL CAJON BLVD, 6945 EL CAJON BLVD.
SAN DIEGO, CA 92115
San Diego County (619) 697-4600
DR. SARJAN H. PATEL M.D.
Ophthalmology
6945 EL CAJON BLVD
SAN DIEGO, CA 92115
San Diego County (619) 723-1292
BARRY KATZMAN, M.D., INC., APC
Ophthalmology
6945 EL CAJON BLVD
SAN DIEGO, CA 92115
San Diego County (619) 697-4600
AI (THERESA) DIEM NGUYEN O.D.
Optometrist
6945 EL CAJON BLVD
SAN DIEGO, CA 92115
San Diego County (619) 697-4600

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 Quang Nguyen's NPI number?

The NPI number for Quang Nguyen is 1417948449. It was assigned to this individual provider in the NPPES registry on October 31, 2005.

Where is Quang Nguyen located?

Quang Nguyen practices at 6945 El Cajon Blvd, San Diego, CA 92115. The listed phone number is (619) 697-4600.

What is Quang Nguyen's specialty?

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

Is Quang Nguyen enrolled in Medicare?

Yes. Quang Nguyen 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.

Which organization bills Medicare for Quang Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Quang Nguyen reassigns Medicare benefits to Southern California Permanente Medical Group (San Diego, CA). The 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 Quang Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Quang Nguyen was last updated on November 29, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.