Elbert Chang, MD
NPI 1053417808 · Pulmonary Disease Physician · Montclair, CA
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Elbert Chang, MD is a Pulmonary Disease Physician provider in Montclair, CA (NPI 1053417808).
Provider details
- NPI number
- 1053417808
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A89864 (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
19 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
2,445 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 465 | $176 |
| Chronic Care Management Services for Two Or More Chronic Conditions, Additional 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99439 | 426 | $47 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 354 | $61 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 301 | $75 |
| Critical Care, First 30-74 Minutes99291 | 217 | $200 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 49 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 509 | 103 |
| Montelukast Sodium | 488 | 131 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 408 | 145 |
| Prednisone | 298 | 163 |
| Azithromycin | 209 | 137 |
| Fluticasone Propionate | 118 | 51 |
| Fluticasone/Vilanterolbrand: Breo Ellipta |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,016 across 129 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
- 2006-09-16
- Last updated
- 2023-08-22
- Certified
- 2023-08-22
Frequently asked questions
- What is Elbert Chang's NPI number?
- Elbert Chang's National Provider Identifier (NPI) is 1053417808, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elbert Chang's specialty?
- Elbert Chang is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Elbert Chang located?
- Elbert Chang's practice location on file with NPPES is 9525 Monte Vista Ave Ste 105, Montclair, CA 91763-2231.
- What is Elbert Chang's phone number?
- The practice phone number listed in the NPPES registry for Elbert Chang is (909) 626-1205.
- Does Elbert Chang accept Medicare?
- Elbert Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Elbert Chang's NPI active?
- Yes — Elbert Chang's NPI (1053417808) is active in the NPPES registry as of the last update on 2023-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.