Keng-Yu Chuang, M.D.
Gastroenterology Physician · Sun City, AZ
Keng-Yu Chuang, M.D. is a gastroenterology physician with a practice address in Sun City, Arizona, and NPI 1730380676, issued on May 29, 2007. Check the license (Arizona 81994, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Keng-Yu Chuang
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 81994 AZ
MD430583 PA
Self-reported in NPPES; status is on the state search - Practice location
- 13203 N 103RD Ave, Sun City, AZ 85351
- Phone
- (623) 972-2116
- Enumerated
- May 29, 2007
- Record last updated
- Dec 10, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicaid ID
- 561822 AZ
- Medicare enrollment
- Enrolled (PECOS I20101005001117); accepts Medicare assignment
- Medical or professional school
- Rutgers New Jersey Medical School, 2004
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 403 in Arizona → Look up another NPI →
Also registered at 13203 N 103RD Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Melissa Bailey, MSW, LCSWClinical Social Worker1578446852
- Beat Bisenz, PHDPsychologist1871544056
- Shaina Ettinger, P.T.Physical Therapist1982619656
- Sue Garber, NPFamily Nurse Practitioner1114999802
- Gary Ledoux, D.C.Chiropractor1134183148
- Mark Lidner, DDSGeneral Practice Dentistry1699941740
Verify Keng-Yu Chuang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 81994Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% more Medicare Part D claims than the average gastroenterology physician in 2024
1,199 Medicare Part D claims for 507 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Omeprazole281 claims
- Pantoprazole Sodium207 claims
- Sod Sulf-Potass Sulf-Mag Sulf166 claims
- Dicyclomine Hcl50 claims
- Linzess36 claims
- Metronidazole29 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $4,811.54
96 payments; by number, the most common kind was food and beverage; the largest payer was CapsoVision, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Arizona Digestive Health PCGlendale, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Keng-Yu Chuang among 403 gastroenterology physician records in Arizona
Keng-Yu Chuang, M.D. is one of 403 gastroenterology physician records with a practice address in Arizona. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 59% of them.
- NPI issued2007 · 59% of these records are older, 31% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2004 · median 2001 among the 295 with a school on file
- Record last updated2013 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Arizona
There are 403 gastroenterology physician records in Arizona.
All 403 in Arizona → Every provider in Sun City → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Parag Chokshi, MDSun City, AZ 853511144243510
- Daryl Hutchinson, M.D.Sun City, AZ 853511881689792
- Ramkrishna Kothur, M.D.Sun City, AZ 853511922113075
- Yvette Lam-Tsai, M.D.Sun City, AZ 853511518147701
- David Winston, M.D.Sun City, AZ 853511982674644
- Divesh Anireddy, MDYuma, AZ 853641427094770
- Kenneth Diamond, MDYuma, AZ 853641164465688
- Harsh DuphareYuma, AZ 853641598775611
Common questions
What is Keng-Yu Chuang, M.D.'s NPI number?
Keng-Yu Chuang, M.D.'s National Provider Identifier (NPI) is 1730380676, issued on May 29, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Keng-Yu Chuang, M.D. located?
The NPPES record lists a practice address at 13203 N 103RD Ave, Sun City, AZ, 85351. Phone: (623) 972-2116. Providers update this record themselves, so call before visiting.
How can I verify Keng-Yu Chuang, M.D.'s license?
NPPES lists Arizona license number 81994, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Keng-Yu Chuang, M.D. prescribe under Medicare Part D?
In 2024, Keng-Yu Chuang, M.D. had 1,199 Medicare Part D claims for 507 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.