BRIAN TSUI MD
NPI 1720519671
Radiology - Diagnostic Radiology in San Francisco, CA

Active since March 22, 2017PECOS EnrolledAccepts Medicare Assignment
505 PARNASSUS AVE # M391, SAN FRANCISCO, CA 94143(415) 476-1537 Get Directions Write a Review

NPPES record last updated: October 20, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 20, 2023, Jul 15, 2020, Mar 22, 2017 (3 updates tracked since 2017).

About Brian Tsui Md NPPES

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

BRIAN TSUI MD (NPI 1720519671) is an individual diagnostic radiology provider in San Francisco, California, licensed in California (A158692) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS, maintains a secondary practice location in Los Angeles, and is a graduate of Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University (2017).

NPPES Registry Identity

NPI1720519671
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameBRIAN TSUICredential: MD
Location Address505 PARNASSUS AVE # M391San Francisco, CA 94143-2204
Mailing Address505 Parnassus Ave # M391San Francisco, CA 94143-2204 · (415) 476-1537
Sole ProprietorNo
Medical School CMSClvlnd Clinic Lerner College Of Med Of Case Wstn Rsv UniversityGraduated 2017
Enumeration DateMarch 22, 2017
Last NPPES UpdateOctober 20, 20233 updates tracked since enumeration
NPPES CertifiedOctober 20, 2023
✔ NPI 1720519671 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in CA · A158692
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 Location 1

Location 1757 Westwood Plz Ste 1638Los Angeles, CA 90095-8358 · Phone (310) 267-8797

Accepted Insurance

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

Brian Tsui 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 ID5890126700
PECOS Enrollment IDI20200508002665
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 Reassignments

5

Medicare enrollment records show Brian Tsui reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Surgery
400 PARNASSUS AVE, MCB 300
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 clinicians in this Medicare group
Clinic/Center
335 E AVENUE I
Lancaster, CA 93535
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: County Of Los Angeles
  • 1,939 clinicians in this Medicare group
Diagnostic Radiology
18436 ROSCOE BLVD
Northridge, CA 91325
  • Reassigned Medicare billing, California enrollment
  • 224 clinicians in this Medicare group
Diagnostic Radiology
1401 ST JOSEPH PKWY
Houston, TX 77002
  • Reassigned Medicare billing, California enrollment
  • 244 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.

Areas of Expertise CMS Part B claims 3

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.

Mri scan of brain before and after contrast 70553
An MRI scan of the brain, both before and after contrast, helps visualize different brain structures. Initially, images are taken without a contrast agent. Then, a safe dye is injected which helps highlight certain areas, providing clearer, more detailed images.
27 services27 patients
Ct scan head or brain without contrast 70450
A CT scan of the head or brain without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your brain, skull, and other structures inside your head. It helps to detect conditions like strokes, tumors, or injuries. No dye (contrast) is used in this test.
25 services25 patients
Mri scan of brain before and after contrast 70553
An MRI scan of the brain, both before and after contrast, helps visualize different brain structures. Initially, images are taken without a contrast agent. Then, a safe dye is injected which helps highlight certain areas, providing clearer, more detailed images.
19 services19 patients

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 16

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 Brian Tsui's NPI number?

The NPI number for Brian Tsui is 1720519671. It was assigned to this individual provider in the NPPES registry on March 22, 2017.

Where is Brian Tsui located?

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

What is Brian Tsui's specialty?

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

Is Brian Tsui enrolled in Medicare?

Yes. Brian Tsui 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 organizations bill Medicare for Brian Tsui's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Brian Tsui reassigns Medicare benefits to 5 organizations: University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA), County Of Los Angeles Auditor Controller (Lancaster, CA), Renaissance Imaging Medical Associates, Inc. (Northridge, CA) and Golden State Imaging Associates Inc (Houston, TX). Each 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 Brian Tsui's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Brian Tsui accept?

Health plans from Blue Cross and Blue Shield of Texas list Brian Tsui 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 Brian Tsui was last updated on October 20, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.