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DR. PHONG T NGUYEN MD
NPI 1346268778
Family Medicine in Winchester, CA

Active since July 17, 2006PECOS Enrolled
31895 OPAL DR, WINCHESTER, CA 92596(858) 472-1800 Get Directions Write a Review

NPPES record last updated: December 16, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Phong T Nguyen Md NPPES

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

DR. PHONG T NGUYEN MD (NPI 1346268778) is an individual family medicine provider in Winchester, California, licensed in California (A95447) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1346268778
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. PHONG T NGUYENCredential: MD
Location Address31895 OPAL DRWinchester, CA 92596-9081
Mailing Address31895 Opal DrWinchester, CA 92596-9081 · (858) 472-1800
Phone(858) 472-1800
Sole ProprietorNo
Enumeration DateJuly 17, 2006
Last NPPES UpdateDecember 16, 2021
✔ NPI 1346268778 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · A95447
Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

31895 OPAL DR, Winchester, CA 92596
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Phong T 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92596 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
$91.88 typical visit price
range $59.60 – $179.42
Typical copayment $22.97 (range $14.90 – $44.85)
Most-billed visit code 99203
Established Patient
$104.64 typical visit price
range $19.37 – $146.42
Typical copayment $26.16 (range $4.84 – $36.60)
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.

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 Phong Nguyen's NPI number?

The NPI number for Phong Nguyen is 1346268778. It was assigned to this individual provider in the NPPES registry on July 17, 2006.

Where is Phong Nguyen located?

Phong Nguyen practices at 31895 Opal Dr, Winchester, CA 92596. The listed phone number is (858) 472-1800.

What is Phong Nguyen's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Phong Nguyen enrolled in Medicare?

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

When was this NPI record last updated?

The NPPES record for Phong Nguyen was last updated on December 16, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.