Grace Pei-Wen Chen, MD
Cardiovascular Disease Physician · Bellflower, CA
Grace Pei-Wen Chen, MD is a cardiovascular disease physician with a practice address in Bellflower, California, and NPI 1073680120, issued on Nov 30, 2006. Check the license (California A78001, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Grace Pei-Wen Chen
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- A78001 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9400 Rosecrans Ave, Bellflower, CA 90706
- Phone
- (562) 461-3000
- Enumerated
- Nov 30, 2006
- Record last updated
- Sep 23, 2008 (not updated in 18 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 2,574 in California → Look up another NPI →
Also registered at 9400 Rosecrans Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Basil Abdelkarim, MDInternal Medicine Physician1003968454
- Le Marie Abellon, NPNurse Practitioner1144389867
- Adrian Acevedo, MDEmergency Medicine Physician1407923303
- Pravin Acharya, MDEmergency Medicine Physician1104993088
- Michele Afshar, PAPhysician Assistant1013065952
- Maria Agbing-Mamangun, MDPsychiatry Physician1063589984
Verify Grace Pei-Wen Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A78001Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
563 Medicare Part D claims for 65 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.
Most prescribed
- Atorvastatin Calcium62 claims
- Jardiance61 claims
- Entresto42 claims
- Carvedilol40 claims
- Metoprolol Succinate36 claims
- Amlodipine Besylate35 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.
Grace Pei-Wen Chen among 2,574 cardiovascular disease physician records in California
Grace Pei-Wen Chen, MD is one of 2,574 cardiovascular disease physician records with a practice address in California. 83% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 45% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2008 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in California
There are 2,574 cardiovascular disease physician records in California.
All 2,574 in California → Every provider in Bellflower → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Joseph Angelo, MDBellflower, CA 907061114075900
- Anh Duong, MDBellflower, CA 907061184795148
- Lee Dykstra, MDBellflower, CA 907061235206178
- Hubert Fok, DOBellflower, CA 907061730256611
- Josefina Kenyon, MDBellflower, CA 907061093863888
- Naheed Olsen, MDBellflower, CA 907061710054531
- Chi-Bao Phung, MDBellflower, CA 907061689799199
- Harvinder Sahota, MDBellflower, CA 907061760498281
Common questions
What is Grace Pei-Wen Chen, MD's NPI number?
Grace Pei-Wen Chen, MD's National Provider Identifier (NPI) is 1073680120, issued on Nov 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Grace Pei-Wen Chen, MD located?
The NPPES record lists a practice address at 9400 Rosecrans Ave, Bellflower, CA, 90706. Phone: (562) 461-3000. Providers update this record themselves, so call before visiting.
How can I verify Grace Pei-Wen Chen, MD's license?
NPPES lists California license number A78001, 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 Grace Pei-Wen Chen, MD prescribe under Medicare Part D?
In 2024, Grace Pei-Wen Chen, MD had 563 Medicare Part D claims for 65 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.