Huijia Joanna Chen
Diagnostic Radiology Physician · Walnut Creek, CA
Huijia Joanna Chen is a diagnostic radiology physician with a practice address in Walnut Creek, California, and NPI 1225458490, issued on Apr 25, 2014. Check the license (California A138427, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Huijia Joanna Chen
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- A138427 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2125 Oak Grove RD Ste 200, Walnut Creek, CA 94598
- Phone
- (925) 296-7150
- Enumerated
- Apr 25, 2014
- Record last updated
- Mar 21, 2023
- Medicare enrollment
- Enrolled (PECOS I20200522000875); may accept Medicare assignment
- Medical or professional school
- Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, 2014
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 4,500 in California → Look up another NPI →
Also registered at 2125 Oak Grove RD Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Courtnay Bloomer, M.D.Neuroradiology Physician1093764565
- Jimmy Cardoza, M.D.Diagnostic Radiology Physician1508893710
- George Chu, MDDiagnostic Radiology Physician1952340465
- Chul Chung, M.D.Diagnostic Radiology Physician1033552773
- Jeffrey Goletz, M.D.Diagnostic Radiology Physician1699098145
- Patrick Gonzales, M.D.Vascular & Interventional Radiology Physician1669779179
Verify Huijia Joanna Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A138427Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 3 group practices
- Bay Imaging Consultants Medical Group IncWalnut Creek, CA
- John Muir Magnetic Imaging CenterWalnut Creek, CA
- John Muir Trauma Physicians Billing ServiceWalnut Creek, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Huijia Joanna Chen among 4,500 diagnostic radiology physician records in California
Huijia Joanna Chen is one of 4,500 diagnostic radiology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 78% of them.
- NPI issued2014 · 78% of these records are older, 19% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2014 · median 2004 among the 3,130 with a school on file
- Record last updated2023 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
98 diagnostic radiology physician records list a practice address in Walnut Creek
They are 98 of the 6,170 NPPES records with a practice address in Walnut Creek, and 4,500 diagnostic radiology physician records in California.
All 4,500 in California → Every provider in Walnut Creek → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Eric Bain, MDWalnut Creek, CA 945981922047190
- Richard Baxter, M.D.Walnut Creek, CA 945981356382956
- Robert BinderWalnut Creek, CA 945981942241559
- Less Chafen, M.D.Walnut Creek, CA 945981336131689
- George Chu, MDWalnut Creek, CA 945981952340465
- Sangeeta Gambhir, M.D.Walnut Creek, CA 945981144213299
- Molly Honegger, M.D.Walnut Creek, CA 945981780648766
- Christopher Krol, MDWalnut Creek, CA 945981114905007
Common questions
What is Huijia Joanna Chen's NPI number?
Huijia Joanna Chen's National Provider Identifier (NPI) is 1225458490, issued on Apr 25, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Huijia Joanna Chen located?
The NPPES record lists a practice address at 2125 Oak Grove RD Ste 200, Walnut Creek, CA, 94598. Phone: (925) 296-7150. Providers update this record themselves, so call before visiting.
How can I verify Huijia Joanna Chen's license?
NPPES lists California license number A138427, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.