Benjamin Chang, MD
NPI 1669467023 · Pulmonary Disease Physician · West Nyack, NY
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Benjamin Chang, MD is a Pulmonary Disease Physician provider in West Nyack, NY (NPI 1669467023).
Provider details
- NPI number
- 1669467023
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 221062 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
20 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
1,750 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 297 | $108 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 260 | $139 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 242 | $151 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 196 | $92 |
| Critical Care, First 30-74 Minutes99291 | 145 | $250 |
| X-Ray of Chest, 2 Views71046 | 95 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone/Vilanterolbrand: Breo Ellipta | 155 | 24 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 131 | 49 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 103 | 22 |
| Prednisone | 86 | 51 |
| Montelukast Sodium | 70 | 20 |
| Azithromycin | 60 | 35 |
| Umeclidinium Brm/Vilanterol Tr |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$23 across 1 record (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
- 2005-09-13
- Last updated
- 2016-06-17
Frequently asked questions
- What is Benjamin Chang's NPI number?
- Benjamin Chang's National Provider Identifier (NPI) is 1669467023, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Benjamin Chang's specialty?
- Benjamin Chang is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Benjamin Chang located?
- Benjamin Chang's practice location on file with NPPES is 2 Crosfield Ave, West Nyack, NY 10994-2226.
- What is Benjamin Chang's phone number?
- The practice phone number listed in the NPPES registry for Benjamin Chang is (845) 353-5600.
- Does Benjamin Chang accept Medicare?
- Benjamin Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Benjamin Chang's NPI active?
- Yes — Benjamin Chang's NPI (1669467023) is active in the NPPES registry as of the last update on 2016-06-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.