David Chen, MD
General Practice Physician · Santa Ana, CA
David Chen, MD is a general practice physician with a practice address in Santa Ana, California, and NPI 1023016896, issued on Jul 14, 2005. Check the license (California A78258, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- David Chen
- Credential
- MD
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- A78258 CA
Self-reported in NPPES; status is on the state search - Practice location
- 719 E 1St St Ste C, Santa Ana, CA 92701
- Phone
- (714) 547-0104
- Enumerated
- Jul 14, 2005
- Record last updated
- Jun 27, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (714) 973-8612
- Medicare enrollment
- Enrolled (PECOS I20040301001066); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 1,956 in California → Look up another NPI →
Also registered at 719 E 1St St Ste C
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Fred Mumia, PHYSICIAN ASSISTANTPhysician Assistant1245491067
Verify David Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A78258Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% more Medicare Part D claims than the average general practice physician in 2024
4,718 Medicare Part D claims for 379 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 16 claims were for opioids.
Most prescribed
- Atorvastatin Calcium410 claims
- Losartan Potassium327 claims
- Amlodipine Besylate308 claims
- Metformin Hcl234 claims
- Alendronate Sodium208 claims
- Rosuvastatin Calcium145 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.
Industry payments in 2024: $42.08
2 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 4,259 providers of this specialty with any payment received $1,273.40 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Garfield Health CenterMonterey Park, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Chen among 1,956 general practice physician records in California
David Chen, MD is one of 1,956 general practice physician records with a practice address in California. 48% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 48% of these records are
- In the CMS Doctors and Clinicians fileYes · 27% of these records are
- Graduated1979 · median 1994 among the 520 with a school on file
- Record last updated2012 · 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 208D00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
General Practice Physician providers in California
There are 1,956 general practice physician records in California.
All 1,956 in California → Every provider in Santa Ana → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Sergio Aguilar, DDSSanta Ana, CA 927011467566257
- Robert Balette, M.D.Santa Ana, CA 927011922271063
- Hung Chen, MDSanta Ana, CA 927011972681948
- Irmina Haq, M.D.Santa Ana, CA 927011740542612
- Ghadir Kinawy, MDSanta Ana, CA 927011497864573
- Helen Pensanti, MDSanta Ana, CA 927011659707586
- Silvia Raum, M.D.Santa Ana, CA 927011679640239
- Luis Rivera, M.D.Santa Ana, CA 927011922133388
Common questions
What is David Chen, MD's NPI number?
David Chen, MD's National Provider Identifier (NPI) is 1023016896, issued on Jul 14, 2005. An NPI identifies a provider in billing; it is not a license.
Where is David Chen, MD located?
The NPPES record lists a practice address at 719 E 1St St Ste C, Santa Ana, CA, 92701. Phone: (714) 547-0104. Providers update this record themselves, so call before visiting.
How can I verify David Chen, MD's license?
NPPES lists California license number A78258, 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 David Chen, MD prescribe under Medicare Part D?
In 2024, David Chen, MD had 4,718 Medicare Part D claims for 379 beneficiaries; the average among general practice physician prescribers was 3,030. 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.