Kuan Chang Chen, DO
NPI 1891315719 · Internal Medicine Physician · New York, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kuan Chang Chen, DO is a Internal Medicine Physician provider in New York, NY (NPI 1891315719).
Provider details
- NPI number
- 1891315719
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 322229 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
100% 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 · 80 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 340 | 130 |
| Amlodipine Besylate | 195 | 79 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 178 | 52 |
| Omeprazole | 165 | 59 |
| Metformin Hcl | 118 | 46 |
| Gabapentin | 110 | 49 |
| Lisinopril |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$610 across 5 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
- 2020-04-21
- Last updated
- 2023-07-21
- Certified
- 2023-07-21
Frequently asked questions
- What is Kuan Chang Chen's NPI number?
- Kuan Chang Chen's National Provider Identifier (NPI) is 1891315719, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kuan Chang Chen's specialty?
- Kuan Chang Chen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Kuan Chang Chen located?
- Kuan Chang Chen's practice location on file with NPPES is 110 W 97th St, New York, NY 10025-6450.
- What is Kuan Chang Chen's phone number?
- The practice phone number listed in the NPPES registry for Kuan Chang Chen is (212) 749-1820.
- Does Kuan Chang Chen accept Medicare?
- Kuan Chang Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kuan Chang Chen's NPI active?
- Yes — Kuan Chang Chen's NPI (1891315719) is active in the NPPES registry as of the last update on 2023-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.