TIFFANY TSAI M.D.
NPI 1548654007
Radiology - Neuroradiology in San Francisco, CA

Active since March 23, 2015PECOS EnrolledAccepts Medicare Assignment
505 PARNASSUS AVE # M391, SAN FRANCISCO, CA 94143(415) 476-1537(415) 467-0616 Get Directions Write a Review

NPPES record last updated: September 30, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Tiffany Tsai M.d. NPPES

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

TIFFANY TSAI M.D. (NPI 1548654007) is an individual neuroradiology provider in San Francisco, California, licensed in California (A168129) and active in the NPI registry since March 2015. She is enrolled in Medicare PECOS and is a graduate of University Of California, San Francisco School Of Medicine (2015).

NPPES Registry Identity

NPI1548654007
Entity TypeIndividualFemale
Primary Taxonomy2085N0700X
Provider Legal NameTIFFANY TSAICredential: M.D.
Location Address505 PARNASSUS AVE # M391San Francisco, CA 94143-2204
Mailing Address505 Parnassus Ave # M391San Francisco, CA 94143-2204 · (415) 476-1537 · Fax (415) 467-0616
Fax(415) 467-0616
Sole ProprietorNo
Medical School CMSUniversity Of California, San Francisco School Of MedicineGraduated 2015
Enumeration DateMarch 23, 2015
Last NPPES UpdateSeptember 30, 2021
NPPES CertifiedSeptember 30, 2021
✔ NPI 1548654007 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · NeuroradiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085N0700X
License✔ Licensed in CA · A168129
Definition
A radiologist who diagnoses and treats diseases utilizing imaging procedures as they relate to the brain, spine and spinal cord, head, neck and organs of special sense in adults and children.
505 PARNASSUS AVE # M391, San Francisco, CA 94143

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

Tiffany Tsai M.d. 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 ID5294021465
PECOS Enrollment IDI20210708002853
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

4

Medicare enrollment records show Tiffany Tsai reassigns Medicare billing to 4 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
Diagnostic Radiology
ONE HOAG DRIVE
Newport Beach, CA 92663
  • Reassigned Medicare billing, California enrollment
  • 64 clinicians in this Medicare group
Diagnostic Radiology
360 SAN MIGUEL DR STE 106
Newport Beach, CA 92660
  • Reassigned Medicare billing, California enrollment
  • 74 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 63

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.

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.
517 services479 patients
X-ray of chest, 2 views 71046
A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.
485 services446 patients
X-ray of chest, 1 view 71045
A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.
462 services423 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.
286 services270 patients
Mri scan of brain without contrast 70551
An MRI scan of the brain without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your brain. It helps in detecting abnormalities like tumors, stroke, inflammation, or infection.
211 services211 patients
Complete ultrasound scan of abdomen 76700
A complete ultrasound scan of the abdomen is a non-invasive imaging procedure. It uses sound waves to produce images of the organs in your abdomen, such as the liver, gallbladder, spleen, pancreas, and kidneys. It helps in diagnosing, monitoring, and planning treatments.
149 services148 patients

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 (Diagnostic Radiology)
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 Tiffany Tsai's NPI number?

The NPI number for Tiffany Tsai is 1548654007. It was assigned to this individual provider in the NPPES registry on March 23, 2015.

Where is Tiffany Tsai located?

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

What is Tiffany Tsai's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Neuroradiology, with taxonomy code 2085N0700X.

Is Tiffany Tsai enrolled in Medicare?

Yes. Tiffany Tsai 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 Tiffany Tsai's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tiffany Tsai reassigns Medicare benefits to 4 organizations: University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA), Newport Harbor Radiology Associates Medical Group, Inc (Newport Beach, CA) and Newport Center Radiology Associates Medical Group Inc (Newport Beach, CA). 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 Tiffany Tsai'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 Tiffany Tsai was last updated on September 30, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.