WILLIAM BAI LU JI
NPI 1083179964
Radiology - Diagnostic Radiology in Palo Alto, CA

Q: What is William Ji's NPI number?

The NPI number for William Ji is 1083179964. It was assigned to this individual provider in the NPPES registry on February 5, 2019.

Q: What is William Ji's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for William Ji was last updated on July 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.

Active since February 05, 2019PECOS EnrolledAccepts Medicare Assignment

453 QUARRY RD, PALO ALTO, CA 94304(650) 725-6344 Get Directions Write a Review

NPPES record last updated: July 12, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 12, 2025, May 13, 2024, Nov 26, 2020 and 2 more (5 updates tracked since 2019).

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About William Bai Lu Ji NPPES

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

WILLIAM BAI LU JI (NPI 1083179964) is an individual diagnostic radiology provider in Palo Alto, California, licensed in Washington (MD61540574) and active in the NPI registry since February 2019. He is enrolled in Medicare PECOS, maintains a secondary practice location in Tacoma, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1083179964

Entity TypeIndividualMale

Primary Taxonomy2085R0202X

Provider Legal NameWILLIAM BAI LU JI

Location Address453 QUARRY RDPalo Alto, CA 94304-1419

Mailing Address400 San Antonio Rd Unit 2710Mountain View, CA 94040-4828

Phone(650) 725-6344

Sole ProprietorNo

Medical School CMSOtherGraduated 2019

Enumeration DateFebruary 5, 2019

Last NPPES UpdateJuly 12, 20255 updates tracked since enumeration

NPPES CertifiedJuly 12, 2025

✔ NPI 1083179964 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 WA · MD61540574

Definition

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

453 QUARRY RD, Palo Alto, CA 94304

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Secondary Practice Location 1

Location 11304 Fawcett Ave Ste 100Tacoma, WA 98402-1900 · Phone (253) 761-4200

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska.Insurance ›

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

William Bai Lu Ji 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 ID3274945472

PECOS Enrollment IDI20240531000246, I20250605003853

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.

Areas of Expertise CMS Part B claims 13

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.

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967

Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.

1,080 services12 patients

X-ray of lower and sacral spine, 2-3 views 72100

An X-ray of the lower and sacral spine involves capturing images of your lower back area, including the tailbone. This procedure helps in identifying problems like fractures, infections, or deformities. 2-3 different angle views provide a comprehensive picture.

43 services43 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.

35 services35 patients

X-ray of hip, 2-3 views 73502

An X-ray of the hip with 2-3 views is a non-invasive imaging test. It uses a small amount of radiation to produce pictures of the hip joint. These images help in diagnosing conditions like fractures, arthritis, or other abnormalities. The process is quick and painless.

27 services27 patients

X-ray of upper spine, 2-3 views 72040

An X-ray of the upper spine, with 2-3 views, is a painless procedure that employs a small amount of radiation to capture images of your neck and upper back. It assists in diagnosing conditions like arthritis, fractures, or spinal deformities.

25 services25 patients

X-ray of knee, 3 views 73562

An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.

24 services15 patients

X-ray of lower and sacral spine, minimum of 4 views 72110

An X-ray of the lower and sacral spine involves capturing images of your lower back and tailbone area. It helps in identifying issues like fractures, arthritis, or other abnormalities. At least four different angles or 'views' are taken to get a comprehensive picture.

22 services22 patients

X-ray of hand, minimum of 3 views 73130

An X-ray of the hand, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones in your hand from different angles. This helps in diagnosing fractures, infections, arthritis, or other abnormalities. It's quick and painless.

22 services13 patients

X-ray of foot, minimum of 3 views 73630

An X-ray of the foot, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones and tissues in your foot. This helps to identify fractures, infections, or other abnormalities. Multiple views ensure a comprehensive examination.

20 services14 patients

Ct scan of chest without contrast 71250

A CT scan of the chest without contrast is a non-invasive imaging procedure. It uses special X-ray equipment to produce detailed images of your chest area, including your lungs and heart. It can help diagnose conditions such as lung diseases or heart disorders. It doesn't involve any dyes or contrast agents.

15 services15 patients

X-ray of shoulder, minimum of 2 views 73030

An X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.

15 services11 patients

X-ray of both hips, 3-4 views 73522

An X-ray of both hips with 3-4 views is a safe imaging procedure. It involves capturing multiple pictures of your hip joints from different angles. This helps in diagnosing conditions like arthritis or fractures. You'll need to stay still during the process for clear images.

14 services14 patients

X-ray of middle spine, 3 views 72072

An X-ray of the middle spine, with 3 views, is a diagnostic procedure where images are taken from different angles (front, side, and angled) to assess the health of your spine. It helps identify issues like fractures, tumors, or degenerative conditions.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94304 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.

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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.

MONIKA MARIE SULLIVAN DO

Pediatrics (Pediatric Nephrology)

453 QUARRY RD
PALO ALTO, CA 94304

Santa Clara County (415) 529-0255

JOY QIYUE HE MD, PHD

Student in an Organized Health Care Education/Training Program

453 QUARRY RD
PALO ALTO, CA 94304

Santa Clara County (650) 723-2300

DHIRAJ J PANGAL

Student in an Organized Health Care Education/Training Program

453 QUARRY RD
PALO ALTO, CA 94304

Santa Clara County (650) 723-5575

MEGAN CORN

Student in an Organized Health Care Education/Training Program

453 QUARRY RD
PALO ALTO, CA 94304

Santa Clara County (650) 498-7570

EMMA SINGLETON

Student in an Organized Health Care Education/Training Program

453 QUARRY RD
PALO ALTO, CA 94304

Santa Clara County (650) 725-6079

EMILY YANG

Student in an Organized Health Care Education/Training Program

453 QUARRY RD
PALO ALTO, CA 94304

Santa Clara County (650) 723-4000

NICOLE GENE NEELEY MD

Student in an Organized Health Care Education/Training Program

453 QUARRY RD
PALO ALTO, CA 94304

Santa Clara County (844) 733-2762

DUNCAN STUART FERGUSON MD

Student in an Organized Health Care Education/Training Program

453 QUARRY RD
PALO ALTO, CA 94304

Santa Clara County (650) 498-4821

MR. HUSSAM LAITH NAFA KAKA MD

Radiology (Neuroradiology)

453 QUARRY RD, DEPARTMENT OF RADIOLOGY
PALO ALTO, CA 94304

Santa Clara County (650) 736-6172

DR. MARIA ISABEL BARROS GUINLE MD, MS

Student in an Organized Health Care Education/Training Program

453 QUARRY RD
PALO ALTO, CA 94304

Santa Clara County (650) 723-6469

DR. DANIELLE LUZ MD

Pediatrics

453 QUARRY RD
PALO ALTO, CA 94304

Santa Clara County (650) 721-5804

SZE KIAT TAN MD PHD

Student in an Organized Health Care Education/Training Program

453 QUARRY RD
PALO ALTO, CA 94304

Santa Clara County (650) 723-6469

FOAD TAGHDIRI MD

Specialist

453 QUARRY RD
PALO ALTO, CA 94304

Santa Clara County (650) 656-3357

SHAIRA BEDI

Pediatrics (Pediatric Nephrology)

453 QUARRY RD
PALO ALTO, CA 94304

Santa Clara County (650) 497-8000

HENRY JAMES FOSTER

Student in an Organized Health Care Education/Training Program

453 QUARRY RD
PALO ALTO, CA 94304

Santa Clara County (650) 725-6344

JOANNA LIND LANGNER MD

Student in an Organized Health Care Education/Training Program

453 QUARRY RD
PALO ALTO, CA 94304

Santa Clara County (650) 723-3391

AMANDA CLARISSA ANTONO

Student in an Organized Health Care Education/Training Program

453 QUARRY RD
PALO ALTO, CA 94304

Santa Clara County (650) 723-4000

KAJAL MARAN MD

Student in an Organized Health Care Education/Training Program

453 QUARRY RD
PALO ALTO, CA 94304

Santa Clara County (650) 723-4000

DR. HETANSHI NAIK MS, CGC

Genetic Counselor, MS

453 QUARRY RD
PALO ALTO, CA 94304

Santa Clara County (650) 498-4753

WENDY YUNWEN ZHANG MD

Student in an Organized Health Care Education/Training Program

453 QUARRY RD
PALO ALTO, CA 94304

Santa Clara County (650) 498-7570

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 William Ji's NPI number?

The NPI number for William Ji is 1083179964. It was assigned to this individual provider in the NPPES registry on February 5, 2019.

Where is William Ji located?

William Ji practices at 453 Quarry Rd, Palo Alto, CA 94304. The listed phone number is (650) 725-6344.

What is William Ji's specialty?

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

Is William Ji enrolled in Medicare?

Yes. William Ji 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.

What insurance does William Ji accept?

Health plans from Premera Blue Cross Blue Shield of Alaska list William Ji 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 William Ji was last updated on July 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.