Physician Profile
Leon Tsai, M.D.
Unclaimed ProfileAbout Dr. Tsai
Leon Tsai, M.D. practices gastroenterology in Tucson, AZ. Medicare claims data shows Leon provided 846 services to 828 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (520) 742-4139
- Email not available
Practice Locations
7566 N LA CHOLLA BLVD STE A
Tucson, AZ 85741
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
846 services · 828 patients · 12 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
134 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
96 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
56 |
| Dilation of esophagus | Procedure | 43450 |
50 |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
19 |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
12 |
| Colorectal cancer screening; colonoscopy on individual at high risk | Billing code | G0105 |
116 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
110 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
72 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
70 |
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.
Other gastroenterologists at this location 5
Same specialty, same street address — most likely the same department or group.
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 Tucson 8
Same specialty, same city.
More connections — 8 related providers in 1 group
Also performs Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 8
Providers in AZ who bill this service to Medicare most often.
Common questions
What does Leon Tsai specialize in?
Leon Tsai is a gastroenterologist in Tucson, AZ. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
Where is Leon Tsai located?
Leon Tsai is listed at 7566 N la Cholla Blvd Ste A, Tucson, AZ 85741. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Leon Tsai's phone number?
The number on file is (520) 742-4139. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Leon Tsai?
Leon Tsai's National Provider Identifier is 1912983883. 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
How much experience does Leon Tsai have?
Leon Tsai has 21+ years experience. Registered with an NPI since 2005. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What does Leon Tsai do most often?
According to Medicare billing data, Leon Tsai performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, removal of polyps or growths of large bowel using an endoscope with mechanical snare and biopsy of large bowel using a flexible endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Leon Tsai's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Leon Tsai. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.