Physician Profile
Keng-Yu Chuang, M.D.
Unclaimed ProfileAbout Dr. Chuang
Keng-Yu Chuang, M.D. practices gastroenterology in Sun City, AZ. Keng-Yu is a 2004 graduate of Rutgers New Jersey Medical School. Keng-Yu is also listed as specializing in internal medicine. According to Medicare claims data, Keng-Yu cared for 646 Medicare patients across 855 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, biopsy of large bowel using a flexible endoscope, and new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more. The provider's National Provider Identifier (NPI) is 1730380676.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (623) 972-2116
- Email not available
Practice Locations
13203 N 103RD AVE SUITE C3
Sun City, AZ 85351
Conditions Commonly Evaluated or Treated
Within Gastroenterology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Acid reflux
- Celiac disease
- Crohn's disease
- Hemorrhoids
- IBS
- Swallowing difficulties
- Ulcerative colitis
Biliary and pancreas
Colon and anorectal
Esophagus and swallowing
Functional bowel and motility
Liver
- Ascites
- Autoimmune hepatitis
- Cirrhosis
- Fatty liver disease
- Hemochromatosis
- Hepatitis B
- Hepatitis C
- Portal hypertension
Stomach and duodenum
Bowel & Colon
Digestive Symptoms
Gallbladder & Bile Ducts
Procedures & services
Most searched procedures
Lower endoscopy
Upper endoscopy
Capsule and physiology testing
Diagnostic Testing
Liver procedures
Treatments
Procedures Most Often Billed to Medicare
855 services · 646 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
111 | More often than most peers in Gastroenterology |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
90 | More often than most peers in Gastroenterology |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
83 | More often than most peers in Gastroenterology |
| Imaging of digestive tract done from the inside of the digestive tract | Treatment | 91110 |
22 | More often than most peers in Gastroenterology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
369 | More than most peers in Gastroenterology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
99 | More often than most peers in Gastroenterology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
46 | As often as other peers in Gastroenterology |
| Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | Office visit | 99490 |
35 | Less often than most peers in Gastroenterology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other gastroenterologists in Sun City 7
Same specialty, same city.
More connections — 22 related providers in 3 groups
Trained at Rutgers New Jersey Medical School 7
Other providers in the same specialty who trained at the same institution.
Class of 2004 at Rutgers New Jersey Medical School 7
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of large bowel using a flexible endoscope 8
Providers in AZ who bill this service to Medicare most often.
Common questions
What kind of doctor is Keng-Yu Chuang?
Keng-Yu Chuang is a gastroenterologist in Sun City, AZ. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
What is Keng-Yu Chuang's address?
Keng-Yu Chuang is listed at 13203 N 103Rd Ave Suite C3, Sun City, AZ 85351. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Keng-Yu Chuang?
The number on file is (623) 972-2116. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Keng-Yu Chuang's NPI number?
Keng-Yu Chuang's National Provider Identifier is 1730380676. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Keng-Yu Chuang train?
Keng-Yu Chuang attended Rutgers New Jersey Medical School, graduating in 2004. This comes from the CMS National Downloadable File.
CMS public data
How long has Keng-Yu Chuang been practicing?
Keng-Yu Chuang has 22 years experience. Calculated from a graduation year of 2004, reported in the CMS National Downloadable File.
CMS public data
What procedures does Keng-Yu Chuang perform?
According to Medicare billing data, Keng-Yu Chuang performs procedures including biopsy of large bowel using a flexible endoscope, biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope and removal of polyps or growths of large bowel using an endoscope with mechanical snare; provides treatments such as imaging of digestive tract done from the inside of the digestive tract, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Keng-Yu Chuang confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Keng-Yu Chuang. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.