Weip Chen, M.D.
Internal Medicine Physician · Redondo Beach, CA
Weip Chen, M.D. is an internal medicine physician with a practice address in Redondo Beach, California, and NPI 1295754281, issued on Jul 19, 2006. Check the license (California A89657, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Weip Chen
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A89657 CA
Self-reported in NPPES; status is on the state search - Practice location
- 520 N Prospect Ave Ste 103, Redondo Beach, CA 90277
- Phone
- (310) 376-8816
- Enumerated
- Jul 19, 2006
- Record last updated
- Sep 13, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (310) 374-2806
- Medicare enrollment
- Enrolled (PECOS I20071113000161); accepts Medicare assignment
- Medical or professional school
- Duke University School Of Medicine, 2003
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 520 N Prospect Ave Ste 103
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Grace Hwang, M.D.Family Medicine Physician1508971243
- Seema Johnston, M.D.Internal Medicine Physician1215378245
- Alison Kole, DOFamily Medicine Physician1821457250
Verify Weip Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A89657Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
28 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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
- Providence Medical InstituteTorrance, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Weip Chen among 17,696 internal medicine physician records in California
Weip Chen, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2003 · median 2004 among the 11,065 with a school on file
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
28 internal medicine physician records list a practice address in Redondo Beach
They are 28 of the 1,513 NPPES records with a practice address in Redondo Beach, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Redondo Beach → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- George Alexander, M.D.Redondo Beach, CA 902771265595136
- John Armato, MDRedondo Beach, CA 902771447263926
- Julie Delilly, M.DRedondo Beach, CA 902771790890408
- Gabriele Engelhardt, M.D.Redondo Beach, CA 902771992810634
- Diane Ferguson, M.D.Redondo Beach, CA 902771447294384
- Brian Gee, M.D.Redondo Beach, CA 902771962585828
- John Johnson, MDRedondo Beach, CA 902771194786764
- Peter Kaneshige, M.D.Redondo Beach, CA 902771508972910
Common questions
What is Weip Chen, M.D.'s NPI number?
Weip Chen, M.D.'s National Provider Identifier (NPI) is 1295754281, issued on Jul 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Weip Chen, M.D. located?
The NPPES record lists a practice address at 520 N Prospect Ave Ste 103, Redondo Beach, CA, 90277. Phone: (310) 376-8816. Providers update this record themselves, so call before visiting.
How can I verify Weip Chen, M.D.'s license?
NPPES lists California license number A89657, 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.
How much does Weip Chen, M.D. prescribe under Medicare Part D?
In 2024, Weip Chen, M.D. had 28 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.