David Chen, MD
NPI 1023016896 · General Practice Physician · Santa Ana, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Chen, MD is a General Practice Physician provider in Santa Ana, CA (NPI 1023016896).
Provider details
- NPI number
- 1023016896
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A78258 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 83 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 410 | 135 |
| Losartan Potassium | 327 | 99 |
| Amlodipine Besylate | 308 | 82 |
| Metformin Hcl | 234 | 71 |
| Alendronate Sodium | 208 | 51 |
| Rosuvastatin Calcium | 145 | 31 |
| Empagliflozin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$42 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-14
- Last updated
- 2012-06-27
Frequently asked questions
- What is David Chen's NPI number?
- David Chen's National Provider Identifier (NPI) is 1023016896, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Chen's specialty?
- David Chen is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is David Chen located?
- David Chen's practice location on file with NPPES is 719 E 1st St Ste C, Santa Ana, CA 92701-5330.
- What is David Chen's phone number?
- The practice phone number listed in the NPPES registry for David Chen is (714) 547-0104.
- Does David Chen accept Medicare?
- David Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Chen's NPI active?
- Yes — David Chen's NPI (1023016896) is active in the NPPES registry as of the last update on 2012-06-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.