Che-Nan Chuang, M.D.
NPI 1942287792 · Gastroenterology Physician · Flushing, NY
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Che-Nan Chuang, M.D. is a Gastroenterology Physician provider in Flushing, NY (NPI 1942287792).
Provider details
- NPI number
- 1942287792
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 198622 (NY)
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
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
282 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 | 89 | $102 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 64 | $131 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 43 | $97 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 31 | $278 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 29 | $143 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 536 | 236 |
| Famotidine | 370 | 134 |
| Esomeprazole Magnesium | 169 | 68 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 158 | 153 |
| Entecavir | 131 | 24 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 112 | 110 |
| Tenofovir Alafenamidebrand: Vemlidy | 107 | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$341 across 4 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
- 2005-12-22
- Last updated
- 2010-11-28
Frequently asked questions
- What is Che-Nan Chuang's NPI number?
- Che-Nan Chuang's National Provider Identifier (NPI) is 1942287792, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Che-Nan Chuang's specialty?
- Che-Nan Chuang is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Che-Nan Chuang located?
- Che-Nan Chuang's practice location on file with NPPES is 13347 Sanford Ave, Flushing, NY 11355-5800.
- What is Che-Nan Chuang's phone number?
- The practice phone number listed in the NPPES registry for Che-Nan Chuang is (718) 461-9779.
- Does Che-Nan Chuang accept Medicare?
- Che-Nan Chuang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Che-Nan Chuang's NPI active?
- Yes — Che-Nan Chuang's NPI (1942287792) is active in the NPPES registry as of the last update on 2010-11-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.