Sonia Chen, M.D.
Student in an Organized Health Care Education/Training Program · Oakland, CA
Sonia Chen, M.D. is a student in an organized health care education/training program with a practice address in Oakland, California, and NPI 1487946794, issued on May 4, 2011. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sonia Chen
- Credential
- M.D.
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- Practice location
- 280 W Macarthur Blvd, Oakland, CA 94611
- Phone
- (510) 752-6400
- Enumerated
- May 4, 2011
- Record last updated
- Feb 11, 2022
- Medicare enrollment
- Enrolled (PECOS I20161208001056); accepts Medicare assignment
- Medical or professional school
- University Of California, San Diego School Of Medicine, 2011
- Entity
- Type 1 · individual
8 nearest student in an organized health care education/training program records → All 40,652 in California → Look up another NPI →
Also registered at 280 W Macarthur Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kimberly Aikawa-Olin, M.S., R.D., C.D.E.Registered Dietitian1326116740
- Leila Al-MarayatiPhysical Therapist1952459109
- Elizabeth Alexandro, OTR, CHTHand Occupational Therapist1972662708
- Teri Alyami, MDInternal Medicine Physician1326126194
Verify Sonia Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024
156 Medicare Part D claims for 102 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D.
Most prescribed
- Mupirocin18 claims
- Amoxicillin-Clavulanate Potass17 claims
- Ciprofloxacin-Dexamethasone15 claims
- Ipratropium Bromide13 claims
- Prednisone13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Permanente Medical Group IncSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sonia Chen among 40,652 student in an organized health care education/training program records in California
Sonia Chen, M.D. is one of 40,652 student in an organized health care education/training program records with a practice address in California. 16% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 4% of them.
- NPI issued2011 · 4% of these records are older, 95% newer
- In a Medicare fileYes · 16% of these records are
- In the CMS Doctors and Clinicians fileYes · 6% of these records are
- Graduated2011 · median 2017 among the 2,409 with a school on file
- Record last updated2022 · 26% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,419 student in an organized health care education/training program records list a practice address in Oakland
They are 1,419 of the 18,558 NPPES records with a practice address in Oakland, and 40,652 student in an organized health care education/training program records in California.
All 40,652 in California → Every provider in Oakland → Student in an Organized Health Care Education/Training Program nationwide →
The 8 student in an organized health care education/training program records with the nearest ZIP codes
- Leah Bowser, MDOakland, CA 946111518132794
- Sonia Cheung, MDOakland, CA 946111356518203
- Albert Chong, MDOakland, CA 946111275514416
- Catherine Cox, MDOakland, CA 946111558522532
- Jeong Han, MDOakland, CA 946111578766051
- Jane Hu, MDOakland, CA 946111891967790
- Jafer Jeelani, M.D.Oakland, CA 946111669659744
- Yana Kriseman, MDOakland, CA 946111467607648
Common questions
What is Sonia Chen, M.D.'s NPI number?
Sonia Chen, M.D.'s National Provider Identifier (NPI) is 1487946794, issued on May 4, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Sonia Chen, M.D. located?
The NPPES record lists a practice address at 280 W Macarthur Blvd, Oakland, CA, 94611. Phone: (510) 752-6400. Providers update this record themselves, so call before visiting.
How can I verify Sonia Chen, M.D.'s license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Sonia Chen, M.D. prescribe under Medicare Part D?
In 2024, Sonia Chen, M.D. had 156 Medicare Part D claims for 102 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. Part D covers Medicare prescriptions only.
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.