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DR. CAROLINE YU MD
NPI 1811178197
Radiology - Diagnostic Radiology in Stanford, CA

Active since November 15, 2007PECOS EnrolledAccepts Medicare Assignment
300 PASTEUR DR RM S047, DEPARTMENT OF NEURORADIOLOGY, STANFORD, CA 94305(650) 723-7426(650) 498-5374 Get Directions Write a Review

NPPES record last updated: December 16, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Caroline Yu Md NPPES

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

DR. CAROLINE YU MD (NPI 1811178197) is an individual diagnostic radiology provider in Stanford, California, licensed in California (A10070) and active in the NPI registry since November 2007. She is enrolled in Medicare PECOS and is a graduate of University Of California, Geffen School Of Medicine (2005).

NPPES Registry Identity

NPI1811178197
Entity TypeIndividualFemale
Primary Taxonomy2085R0202X
Provider Legal NameDR. CAROLINE YUCredential: MD
Location Address300 PASTEUR DR RM S047, DEPARTMENT OF NEURORADIOLOGYStanford, CA 94305-2200
Mailing Address300 Pasteur Dr Rm S047, Department Of NeuroradiologyStanford, CA 94305-2200 · (650) 723-7426 · Fax (650) 498-5374
Phone(650) 723-7426
Fax(650) 498-5374
Sole ProprietorNo
Medical School CMSUniversity Of California, Geffen School Of MedicineGraduated 2005
Enumeration DateNovember 15, 2007
Last NPPES UpdateDecember 16, 2021
✔ NPI 1811178197 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 · A10070
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
300 PASTEUR DR RM S047, Stanford, CA 94305
Open in Google Maps ↗

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. Caroline Yu 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 ID8820247935
PECOS Enrollment IDI20121005000060
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

2

Medicare enrollment records show Caroline Yu reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Permanente Medical Group Inc
4.6 mi
Internal Medicine
1190 VETERANS BLVD
Redwood City, CA 94063
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1639252604 (650) 299-2000
County Of San Joaquin
58 mi
General Acute Care Hospital
500 W. HOSPITAL RD.
French Camp, CA 95231
  • Reassigned Medicare billing, California enrollment
  • 534 clinicians in this Medicare group
NPI 1801830583 (209) 468-6937

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.

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.
21 services20 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.
18 services17 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.
13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94305 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
$106.47 typical visit price
range $70.37 – $206.04
Typical copayment $26.61 (range $17.59 – $51.51)
Most-billed visit code 99203
Established Patient
$86.56 typical visit price
range $23.96 – $169.60
Typical copayment $21.64 (range $5.99 – $42.40)
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.

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 Caroline Yu's NPI number?

The NPI number for Caroline Yu is 1811178197. It was assigned to this individual provider in the NPPES registry on November 15, 2007.

Where is Caroline Yu located?

Caroline Yu practices at 300 Pasteur Dr Rm S047 Department Of Neuroradiology, Stanford, CA 94305. The listed phone number is (650) 723-7426.

What is Caroline Yu's specialty?

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

Is Caroline Yu enrolled in Medicare?

Yes. Caroline Yu 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 Caroline Yu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Caroline Yu reassigns Medicare benefits to 2 organizations: Permanente Medical Group Inc (Redwood City, CA) and County Of San Joaquin (French Camp, 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 Caroline Yu'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 Caroline Yu was last updated on December 16, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.