David Chen, DO
NPI 1649807975 · Student in an Organized Health Care Education/Training Program · Northridge, CA
Enrolled with Medicare as Practitioner - Osteopathic Manipulative Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Chen, DO is a Student in an Organized Health Care Education/Training Program provider in Northridge, CA (NPI 1649807975).
Provider details
- NPI number
- 1649807975
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
6 yrs in NPPES registry
- Profile completeness33% of score
83% 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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 47 | 17 |
| Losartan Potassium | 39 | 15 |
| Atorvastatin Calcium | 34 | 20 |
| Lisinopril | 20 | — |
| Levothyroxine Sodium | 18 | — |
| Hydrochlorothiazide | 14 | — |
| Alendronate Sodium | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$279 across 14 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
- 2020-03-25
- Last updated
- 2020-03-25
- Certified
- 2020-03-25
Frequently asked questions
- What is David Chen's NPI number?
- David Chen's National Provider Identifier (NPI) is 1649807975, 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 Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is David Chen located?
- David Chen's practice location on file with NPPES is 18406 Roscoe Blvd, Northridge, CA 91325-4107.
- What is David Chen's phone number?
- The practice phone number listed in the NPPES registry for David Chen is (818) 993-4054.
- 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 (1649807975) is active in the NPPES registry as of the last update on 2020-03-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.