Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

PHUONG L NGUYEN MD
NPI 1285194274
Radiology - Diagnostic Radiology in San Francisco, CA

Active since March 25, 2019PECOS Enrolled
505 PARNASSUS AVE # M391, SAN FRANCISCO, CA 94143(415) 476-1537(415) 476-0616 Get Directions Write a Review

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

About Phuong L Nguyen Md NPPES

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

PHUONG L NGUYEN MD (NPI 1285194274) is an individual diagnostic radiology provider in San Francisco, California, licensed in Colorado (DR.0077578) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of University Of Colorado School Of Medicine, Denver (2019).

NPPES Registry Identity

NPI1285194274
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NamePHUONG L NGUYENCredential: MD
Location Address505 PARNASSUS AVE # M391San Francisco, CA 94143-2204
Mailing AddressPo Box 110429Aurora, CO 80042-0429
Fax(415) 476-0616
Sole ProprietorNo
Medical School CMSUniversity Of Colorado School Of Medicine, DenverGraduated 2019
Enumeration DateMarch 25, 2019
Last NPPES UpdateJuly 13, 2026
NPPES CertifiedJuly 13, 2026
NPI 1285194274 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
Licenses Licensed in CO · DR.0077578 Licensed in CA · A193063
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
505 PARNASSUS AVE # M391, San Francisco, CA 94143

Secondary Practice Locations 2

Location 11960 N Ogden St Ste 400Denver, CO 80218-3670 · Phone (303) 812-6410
Location 212605 E 16th AveAurora, CO 80045-2520 · Phone (720) 848-0000

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

Phuong L Nguyen Md 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 ID749510295
PECOS Enrollment IDI20250429003938
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 94143 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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
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 17

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

Radiology (Vascular & Interventional Radiology)
505 PARNASSUS AVE # M391
SAN FRANCISCO, CA 94143
Radiology (Diagnostic Radiology)
505 PARNASSUS AVE # M391
SAN FRANCISCO, CA 94143
Radiology (Neuroradiology)
505 PARNASSUS AVE # M391
SAN FRANCISCO, CA 94143
Radiology (Neuroradiology)
505 PARNASSUS AVE # M391
SAN FRANCISCO, CA 94143
Radiology (Vascular & Interventional Radiology)
505 PARNASSUS AVE # M391
SAN FRANCISCO, CA 94143
Radiology (Diagnostic Radiology)
505 PARNASSUS AVE # M391
SAN FRANCISCO, CA 94143
Radiology (Neuroradiology)
505 PARNASSUS AVE # M391
SAN FRANCISCO, CA 94143
Radiology (Neuroradiology)
505 PARNASSUS AVE # M391
SAN FRANCISCO, CA 94143

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 Phuong Nguyen's NPI number?

The NPI number for Phuong Nguyen is 1285194274. It was assigned to this individual provider in the NPPES registry on March 25, 2019.

Where is Phuong Nguyen located?

Phuong Nguyen practices at 505 Parnassus Ave # M391, San Francisco, CA 94143. The listed phone number is (415) 476-1537.

What is Phuong Nguyen's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Phuong Nguyen enrolled in Medicare?

Yes. Phuong 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.

When was this NPI record last updated?

The NPPES record for Phuong Nguyen was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 days 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.