Keng-Yu Chuang, M.D.
NPI 1730380676 · Gastroenterology Physician · Sun City, AZ
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Keng-Yu Chuang, M.D. is a Gastroenterology Physician provider in Sun City, AZ (NPI 1730380676).
Provider details
- NPI number
- 1730380676
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD430583 (PA)
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
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
855 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 369 | $124 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 111 | $110 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 99 | $162 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 90 | $104 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 83 | $234 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 281 | 123 |
| Pantoprazole Sodium | 207 | 91 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 166 | 161 |
| Dicyclomine Hcl | 50 | 30 |
| Linaclotidebrand: Linzess | 36 | 16 |
| Peg3350/Sod Sul/Nacl/Kcl/Asb/Cbrand: Plenvu | 29 | 29 |
| Metronidazole | 29 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$4,812 across 96 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
- 2007-05-29
- Last updated
- 2013-12-10
Frequently asked questions
- What is Keng-Yu Chuang's NPI number?
- Keng-Yu Chuang's National Provider Identifier (NPI) is 1730380676, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Keng-Yu Chuang's specialty?
- Keng-Yu Chuang is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Keng-Yu Chuang located?
- Keng-Yu Chuang's practice location on file with NPPES is 13203 N 103rd Ave, Sun City, AZ 85351-3028.
- What is Keng-Yu Chuang's phone number?
- The practice phone number listed in the NPPES registry for Keng-Yu Chuang is (623) 972-2116.
- Does Keng-Yu Chuang accept Medicare?
- Keng-Yu Chuang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Keng-Yu Chuang's NPI active?
- Yes — Keng-Yu Chuang's NPI (1730380676) is active in the NPPES registry as of the last update on 2013-12-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.