DR. RANDY THANH NGUYEN MD
NPI 1487399085
Emergency Medicine in San Francisco, CA

Active since April 28, 2022PECOS EnrolledAccepts Medicare Assignment
1001 POTRERO AVENUE, BLDG. 25, 1ST FLOOR, SAN FRANCISCO, CA 94110(628) 206-8111 Get Directions Write a Review

NPPES record last updated: June 9, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Randy Thanh Nguyen Md NPPES

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

DR. RANDY THANH NGUYEN MD (NPI 1487399085) is an individual emergency medicine provider in San Francisco, California, licensed in California (A209779) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS, maintains a secondary practice location in Buffalo, and is a graduate of Washington State University Elson S Floyd College Of Medicine (2022).

NPPES Registry Identity

NPI1487399085
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. RANDY THANH NGUYENCredential: MD
Location Address1001 POTRERO AVENUE, BLDG. 25, 1ST FLOORSan Francisco, CA 94110-3518
Mailing Address1001 Potrero Avenue, Bldg. 25, First FloorSan Francisco, CA 94110-3518 · (628) 206-8111 · Fax (628) 206-9038
Sole ProprietorNo
Medical School CMSWashington State University Elson S Floyd College Of MedicineGraduated 2022
Enumeration DateApril 28, 2022
Last NPPES UpdateJune 9, 2026
NPPES CertifiedJune 9, 2026
✔ NPI 1487399085 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in CA · A209779
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
1001 POTRERO AVENUE, San Francisco, CA 94110

Secondary Practice Location 1

Location 1100 High StBuffalo, NY 14203-1126 · Phone (716) 859-5600

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

Dr. Randy Thanh 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 ID6709340128
PECOS Enrollment IDI20260715004453
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 Randy Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Family Medicine
1001 POTRERO AVE, BLDG 80 WARD 83 RM 320
San Francisco, CA 94110
  • Reassigned Medicare billing, California enrollment
  • 842 clinicians in this Medicare group

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 94110 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
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
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.

Other Providers at the Same Location NPPES 20

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

Radiology (Diagnostic Radiology)
1001 POTRERO AVENUE, BLDG. 5, 1ST FLOOR
SAN FRANCISCO, CA 94110
Psychologist (Clinical)
1001 POTRERO AVENUE, RM 7M
SAN FRANCISCO, CA 94110
Nuclear Medicine
1001 POTRERO AVENUE, RM G100
SAN FRANCISCO, CA 94110
Internal Medicine
1001 POTRERO AVENUE, RM 5H22
SAN FRANCISCO, CA 94110
Internal Medicine (Gastroenterology)
1001 POTRERO AVENUE, BUILDING 5, 3RD FLOOR, SUITE 3D
SAN FRANCISCO, CA 94110
Internal Medicine
1001 POTRERO AVENUE, BLDG 100 RM 350
SAN FRANCISCO, CA 94110
Psychiatry & Neurology (Psychiatry)
1001 POTRERO AVENUE, RM 7M
SAN FRANCISCO, CA 94110
Internal Medicine (Nephrology)
1001 POTRERO AVENUE, WARD 17 DIALYSIS CLINIC, BLDG. 100, 3RD FL.
SAN FRANCISCO, CA 94110

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 Randy Nguyen's NPI number?

The NPI number for Randy Nguyen is 1487399085. It was assigned to this individual provider in the NPPES registry on April 28, 2022.

Where is Randy Nguyen located?

Randy Nguyen practices at 1001 Potrero Avenue Bldg. 25, 1st Floor, San Francisco, CA 94110. The listed phone number is (628) 206-8111.

What is Randy Nguyen's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Randy Nguyen enrolled in Medicare?

Yes. Randy 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 Randy Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Randy Nguyen reassigns Medicare benefits to University Of California Sfgh Medical Group (San Francisco, 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 Randy 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 Randy Nguyen was last updated on June 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.