James Chang, D.O.
NPI 1952661969 · Pulmonary Disease Physician · Atlanta, GA
Enrolled with Medicare as Practitioner - Critical Care (intensivists) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Chang, D.O. is a Pulmonary Disease Physician provider in Atlanta, GA (NPI 1952661969).
Provider details
- NPI number
- 1952661969
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 079863 (GA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
14 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
1,091 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 225 | $118 |
| X-Ray of Chest, 2 Views71046 | 174 | $18 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 156 | $128 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 90 | $181 |
| Critical Care, First 30-74 Minutes99291 | 81 | $221 |
| Test to Measure the Level of Nitric Oxide Gas95012 | 79 | $19 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 260 | 67 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 251 | 93 |
| Azelastine Hcl | 70 | 40 |
| Fluticasone Propionate | 63 | 24 |
| Fluticasone Propion/Salmeterolbrand: Fluticasone-Salmeterol | 62 | 22 |
| Fluticasone/Vilanterolbrand: Breo Ellipta | 58 | 18 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,466 across 39 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
- 2012-05-23
- Last updated
- 2018-08-13
Frequently asked questions
- What is James Chang's NPI number?
- James Chang's National Provider Identifier (NPI) is 1952661969, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Chang's specialty?
- James Chang is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is James Chang located?
- James Chang's practice location on file with NPPES is 275 Collier Rd Nw Ste 300, Atlanta, GA 30309.
- What is James Chang's phone number?
- The practice phone number listed in the NPPES registry for James Chang is (404) 350-0009.
- Does James Chang accept Medicare?
- James Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Chang's NPI active?
- Yes — James Chang's NPI (1952661969) is active in the NPPES registry as of the last update on 2018-08-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.