DR. RICHARD L NGUYEN M.D.
NPI 1134178486
Ophthalmology in Garden Grove, CA

Q: What is Richard Nguyen's NPI number?

The NPI number for Richard Nguyen is 1134178486. It was assigned to this individual provider in the NPPES registry on May 6, 2006.

Q: What is Richard Nguyen's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Richard Nguyen was last updated on February 13, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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 May 06, 2006PECOS EnrolledAccepts Medicare Assignment

9746 WESTMINSTER AVE, STE A, GARDEN GROVE, CA 92844(714) 638-4433(715) 638-4499 Get Directions Write a Review

NPPES record last updated: February 13, 2012. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Dr. Richard L Nguyen M.d. NPPES

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

DR. RICHARD L NGUYEN M.D. (NPI 1134178486) is an individual ophthalmology provider in Garden Grove, California, licensed in California (G77473) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of Loma Linda University School Of Medicine (1992).

NPPES Registry Identity

NPI1134178486

Entity TypeIndividualMale

Primary Taxonomy207W00000X

Provider Legal NameDR. RICHARD L NGUYENCredential: M.D.

Location Address9746 WESTMINSTER AVE, STE AGarden Grove, CA 92844-2984

Mailing Address1244 W Beverly DrOrange, CA 92868-2108 · (714) 633-9442 · Fax (714) 638-4499

Phone(714) 638-4433

Fax(715) 638-4499

Sole ProprietorNo

Medical School CMSLoma Linda University School Of MedicineGraduated 1992

Enumeration DateMay 6, 2006

Last NPPES UpdateFebruary 13, 2012

✔ NPI 1134178486 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians

Taxonomy Code207W00000X

License✔ Licensed in CA · G77473

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.

9746 WESTMINSTER AVE, Garden Grove, CA 92844

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Other Identifiers 3

Medicare ID-Type UnspecifiedG77473CA

Medicaid00G774730CA

Medicare UPINF44419CA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.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. Richard L Nguyen M.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 ID749441079

PECOS Enrollment IDI20120413000387

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 5

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 moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

673 services438 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

228 services228 patients

Ultrasound scan to determine eye length and lens power 76519

An ultrasound scan for the eye is a safe, non-invasive procedure. It uses sound waves to create images of your eye's structure. This helps determine the length of your eye and the power of your lens, which is crucial for diagnosing eye conditions and planning surgeries.

54 services23 patients

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.

18 services15 patients

Removal of cataract with insertion of prosthetic lens 66984

This is a procedure where a cloudy lens in your eye, known as a cataract, is removed. After removal, a clear artificial lens is inserted. This helps to restore your vision, enabling you to see clearly again.

16 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92844 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 7

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

DR. TAM CANH LE MD

Internal Medicine

9746 WESTMINSTER AVE, SUITE D3
GARDEN GROVE, CA 92844

Orange County (714) 643-9442

THI M NGUYEN A PROFESSIONAL DENTAL CO

Dentist (General Practice)

9746 WESTMINSTER AVE, SUITE C
GARDEN GROVE, CA 92844

Orange County (714) 638-5513

DR. MAI THI THI NGUYEN DDS

Dentist

9746 WESTMINSTER AVE
GARDEN GROVE, CA 92844

Orange County (714) 638-5513

NGUYEN TRINH & GRIMES INC

Pharmacy (Community/Retail Pharmacy)

9746 WESTMINSTER AVE, STE D4
GARDEN GROVE, CA 92844

Orange County (714) 636-1881

DR. VICTOR HIEU DINH M.D.

Family Medicine

9746 WESTMINSTER AVE, SUITE D2
GARDEN GROVE, CA 92844

Orange County (714) 530-0776

DR. ANN TUYET DUONG D.C.

Chiropractor

9746 WESTMINSTER AVE, STE B
GARDEN GROVE, CA 92844

Orange County (714) 534-3169

DR. THUAN NGOC PHAN D.C.

Chiropractor

9746 WESTMINSTER AVE, STE B
GARDEN GROVE, CA 92844

Orange County (714) 534-3169

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 Richard Nguyen's NPI number?

The NPI number for Richard Nguyen is 1134178486. It was assigned to this individual provider in the NPPES registry on May 6, 2006.

Where is Richard Nguyen located?

Richard Nguyen practices at 9746 Westminster Ave Ste A, Garden Grove, CA 92844. The listed phone number is (714) 638-4433.

What is Richard Nguyen's specialty?

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

Is Richard Nguyen enrolled in Medicare?

Yes. Richard 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.

What insurance does Richard Nguyen accept?

Health plans from Providence Health Plan list Richard Nguyen 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 Richard Nguyen was last updated on February 13, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.