Physician Profile
Unclaimed ProfileAbout MONASH
Gary Ronald Monash, M.D. practices gastroenterology in Tucson, AZ. Gary is a 1977 graduate of Michigan State University College of Human Medicine. According to Medicare claims data, Gary cared for 282 Medicare patients across 293 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (520) 742-4139
- Email not available
Practice Locations
7566 N LA CHOLLA BLVD STE A
Tucson, AZ 85741
Procedures Most Often Billed to Medicare
293 services · 282 patients · 10 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
45 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
20 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
17 |
| Dilation of esophagus | Procedure | 43450 |
11 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
80 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
66 |
| Colorectal cancer screening; colonoscopy on individual at high risk | Billing code | G0105 |
19 |
| Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | Billing code | G0121 |
12 |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
12 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
11 |
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 gastroenterology specialists 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 gastroenterology specialists in Tucson 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Michigan State University College of Human Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1977 at Michigan State University College of Human Medicine 8
Providers who graduated from the same medical school in the same year.
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 Dr. Monash specialize in?
Dr. Monash is a gastroenterology in Tucson, AZ. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GASTROENTEROLOGY”.
NPI registry
Where is Dr. Monash located?
Dr. Monash 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 Dr. Monash'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 Dr. Monash's NPI number?
Dr. Monash's National Provider Identifier is 1891771846. 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 Dr. Monash go to medical school?
Dr. Monash attended Michigan State University College of Human Medicine, graduating in 1977. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Monash been practicing?
Dr. Monash has 49 years experience. Calculated from a graduation year of 1977, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Monash do most often?
According to Medicare billing data, Dr. Monash performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, biopsy of large bowel using a flexible endoscope and removal of polyps or growths of large bowel using an endoscope with mechanical snare, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Monash confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Monash. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.