DR. RONALD CHAN M.D.
NPI 1154367993
Radiology - Diagnostic Radiology in Walnut Creek, CA

Active since June 21, 2006PECOS Enrolled
90.81/100
CMS Quality Rating
2125 OAK GROVE RD, SUITE 200, WALNUT CREEK, CA 94598(925) 296-7150(925) 296-7171 Get Directions Write a Review

NPPES record last updated: April 2, 2015. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Ronald Chan M.d. NPPES

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

DR. RONALD CHAN M.D. (NPI 1154367993) is an individual diagnostic radiology provider in Walnut Creek, California, licensed in California (A82947) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of New York University School Of Medicine (1998).

NPPES Registry Identity

NPI1154367993
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameDR. RONALD CHANCredential: M.D.
Location Address2125 OAK GROVE RD, SUITE 200Walnut Creek, CA 94598-2536
Mailing Address2125 Oak Grove Rd, Suite 200Walnut Creek, CA 94598-2536 · (925) 296-7150 · Fax (925) 296-7171
Fax(925) 296-7171
Sole ProprietorNo
Medical School CMSNew York University School Of MedicineGraduated 1998
Enumeration DateJune 21, 2006
Last NPPES UpdateApril 2, 2015
NPI 1154367993 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 · A82947
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
2125 OAK GROVE RD, Walnut Creek, CA 94598

Other Identifiers 25

Medicare PIN00A8294710CA
Medicare PIN00A8294719CA
Medicare PIN00A8294712CA
Medicare PIN00A8294717CA
Medicare PIN00A829475CA
Medicare PIN00A829476CA
Medicare PIN00A829471CA
Medicare PIN00A8294720CA
Medicare PIN00A829473CA
Medicare PIN00A829479CA
Medicare PIN00A829474CA
Medicare PIN00A829477CA
Medicare PINP00184631CA
Medicare PINP00298703CA
Medicare PIN00A8294715CA
Medicare PIN00A829478CA
Medicare PINP00133298CA
Medicare UPINH83014CA
Medicare PIN00A829470CA
Medicare PIN00A8294711CA
Medicare PIN00A8294718CA
Medicare PIN00A829472CA
Medicare PIN00A8294713CA
Medicare PIN00A8294714CA
Medicare PIN00A8294716CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Ronald Chan M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2769475169
PECOS Enrollment IDI20040402001472, I20241213001982
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 73

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.

Injection, gadobutrol, 0.1 ml A9585
Gadobutrol is a contrast agent used during MRI scans to help provide clearer images. It's injected into your vein before the scan. This helps doctors to see certain areas more clearly for better diagnosis. It's generally safe with few side effects.
3,455 services39 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.
881 services797 patients
Mri scan of leg joint without contrast 73721
An MRI scan of your leg joint is a non-invasive procedure that uses magnetic fields and radio waves to create detailed images of the structures within your leg. This helps doctors diagnose or monitor conditions without using contrast dye.
333 services293 patients
Mri scan of arm joint without contrast 73221
An MRI scan of the arm joint is a non-invasive imaging procedure that uses magnetic fields and radio waves to create detailed images of the structures within your arm joint. No contrast dye is used in this process. It helps to diagnose or monitor conditions like arthritis, injuries, or infections.
299 services271 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.
228 services227 patients
Ct scan of abdomen and pelvis with contrast 74177
A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.
181 services177 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94598 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

90.81/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality85.12
Improvement Activities40

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)
2125 OAK GROVE RD, #200
WALNUT CREEK, CA 94598
Radiology (Diagnostic Radiology)
2125 OAK GROVE RD, SUITE 200
WALNUT CREEK, CA 94598
Radiology (Diagnostic Radiology)
2125 OAK GROVE RD, SUITE 200
WALNUT CREEK, CA 94598
Radiology (Diagnostic Radiology)
2125 OAK GROVE RD, SUITE 200
WALNUT CREEK, CA 94598
Radiology (Vascular & Interventional Radiology)
2125 OAK GROVE RD, #200
WALNUT CREEK, CA 94598
Radiology (Diagnostic Radiology)
2125 OAK GROVE RD, SUITE 200
WALNUT CREEK, CA 94598
Radiology (Diagnostic Radiology)
2125 OAK GROVE RD, #200
WALNUT CREEK, CA 94598
Radiology (Diagnostic Radiology)
2125 OAK GROVE RD, #200
WALNUT CREEK, CA 94598

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 Ronald Chan's NPI number?

The NPI number for Ronald Chan is 1154367993. It was assigned to this individual provider in the NPPES registry on June 21, 2006.

Where is Ronald Chan located?

Ronald Chan practices at 2125 Oak Grove Rd Suite 200, Walnut Creek, CA 94598. The listed phone number is (925) 296-7150.

What is Ronald Chan's specialty?

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

Is Ronald Chan enrolled in Medicare?

Yes. Ronald Chan is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Ronald Chan was last updated on April 2, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.