David Pham, MD
NPI 1043401698 · Pulmonary Disease Physician · Westminster, CA
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Provider details
- NPI number
- 1043401698
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G86094 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,591 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 926 | $137 |
| Injection of Drug Or Substance Into Vein96374 | 227 | $42 |
| Test to Determine Lung Volumes Using Sensors94726 | 61 | $64 |
| Test to Measure Largest Amount of Air Breathed in an Out94200 | 55 | $17 |
| Test to Measure Rate of Airflow94375 | 55 | $44 |
| Test to Determine Lung Volumes Using Gas Dilution Or Washout94727 | 55 | $51 |
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 |
|---|---|---|
| Budesonide/Glycopyr/Formoterolbrand: Breztri Aerosphere | 646 | 153 |
| Montelukast Sodium | 255 | 68 |
| Fluticasone Propionate | 252 | 77 |
| Albuterol Sulfatebrand: Ventolin Hfa | 207 | 49 |
| Atorvastatin Calcium | 149 | 43 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 129 | 48 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$111,892 across 173 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
- 2007-08-08
- Last updated
- 2023-01-25
- Certified
- 2023-01-25
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.