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QUY VAN NGUYEN MD
NPI 1366400145
Internal Medicine in Rosemead, CA

Active since May 02, 2006PECOS Enrolled
9126 VALLEY BLVD, SUITE B, ROSEMEAD, CA 91770(626) 573-9003(626) 573-0641 Get Directions Write a Review

NPPES record last updated: July 19, 2011. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Quy Van Nguyen Md NPPES

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

QUY VAN NGUYEN MD (NPI 1366400145) is an individual internal medicine provider in Rosemead, California, licensed in California (A44652) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1366400145
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameQUY VAN NGUYENCredential: MD
Location Address9126 VALLEY BLVD, SUITE BRosemead, CA 91770-1987
Mailing Address9126 Valley Blvd, Suite BRosemead, CA 91770-1987 · (626) 573-9003 · Fax (626) 573-0641
Phone(626) 573-9003
Fax(626) 573-0641
Sole ProprietorYes
Enumeration DateMay 2, 2006
Last NPPES UpdateJuly 19, 2011
✔ NPI 1366400145 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A44652
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
9126 VALLEY BLVD, Rosemead, CA 91770
Open in Google Maps ↗

Other Identifiers 3

Medicaid00A446520CA
Medicare ID-Type UnspecifiedA44652CA
Medicare UPINC59315

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

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

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 Quy Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Wynn Medical Center
Same address
Clinic/Center
9126 VALLEY BLVD STE B
Rosemead, CA 91770
  • Reassigned Medicare billing, California enrollment
  • 8 clinicians in this Medicare group
NPI 1801300298 (626) 573-9003

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91770 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
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
61%101 patients3/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 2

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

DR. VIVI MINHTRANG NGUYEN PHARMD
Pharmacist
9126 VALLEY BLVD
ROSEMEAD, CA 91770
Los Angeles County (626) 573-9003
TAK HEALTHCARE INC
Pharmacy (Community/Retail Pharmacy)
9126 VALLEY BLVD, SUITE A
ROSEMEAD, CA 91770
Los Angeles County (626) 307-5501

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 Quy Nguyen's NPI number?

The NPI number for Quy Nguyen is 1366400145. It was assigned to this individual provider in the NPPES registry on May 2, 2006.

Where is Quy Nguyen located?

Quy Nguyen practices at 9126 Valley Blvd Suite B, Rosemead, CA 91770. The listed phone number is (626) 573-9003.

What is Quy Nguyen's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Quy Nguyen enrolled in Medicare?

Yes. Quy Nguyen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Quy Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Quy Nguyen reassigns Medicare benefits to Wynn Medical Center (Rosemead, 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 Quy 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 Quy Nguyen was last updated on July 19, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.