Doctor profile · Federal record
Dr. Gary Monash, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Tucson, AZ
- NPI 1891771846
- Accepts Medicare
- MIPS 23.2 / 100 · 2023
- 49 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
7566 N la Cholla Blvd, Ste A
Tucson, AZ 857412307
(520) 742-4139
fax (520) 742-9618
Credentials & registration
- NPI registered
- December 2005 — 21 yrs on file
- Profile last updated
- December 18, 2007
- Year of graduation
- 1977 — 49 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Arizona #13401
- Medicaid
- AZ #223595
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1891771846. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
692
Distinct HCPCS
10
Medicare allowed
$98,109
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 198 | 165 | $124 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 101 | 98 | $125 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 101 | 101 | $160 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 66 | 66 | $147 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 66 | 64 | $171 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 56 | 56 | $243 | |
91065 |
Measurement of hydrogen in breath to test for stomach and bowel symptoms | 35 | 29 | $81 | |
43450 |
Dilation of esophagus | 31 | 30 | $40 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 21 | 21 | $160 | |
G0121 |
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 17 | 17 | $166 |
In context: peer comparison
Among 17 peers in this city , average services per provider: 72. This provider delivers 9.6× the peer median.Open Payments
Industry payments received
All-time total
$1,710
Transactions
53
Manufacturers
14
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 13 | $468.44 | |
| AIMMUNE THERAPEUTICS, INC. | 9 | $281.52 | |
| Janssen Biotech, Inc. | 3 | $278.99 | |
| Gilead Sciences, Inc. | 9 | $188.67 | |
| Madrigal Pharmaceuticals | 2 | $169.78 | |
| Celgene Corporation | 4 | $60.40 | |
| Intercept Pharmaceuticals, Inc. | 3 | $59.04 | |
| PFIZER INC. | 3 | $57.91 | |
| IRONWOOD PHARMACEUTICALS, INC | 2 | $30.96 | |
| Ardelyx, Inc. | 1 | $29.87 | |
| Phathom Pharmaceuticals, Inc. | 1 | $23.93 | |
| Medtronic, Inc. | 1 | $22.12 | |
| Ferring Pharmaceuticals Inc. | 1 | $19.31 | |
| Lilly USA, LLC | 1 | $19.00 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
821
Patients
476
Total drug cost
$193,514
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) | Brand | 212 | 212 | $16,425 |
| Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 137 | 134 | $2,262 |
| Omeprazole | Generic | 76 | 30 | $961 |
| Pantoprazole Sodium | Generic | 66 | 21 | $1,115 |
| Cholestyramine (Cholestyramine (With Sugar)) | Brand | 53 | 21 | $5,023 |
| Sucralfate | Generic | 50 | 19 | $1,557 |
| Dicyclomine Hcl | Generic | 33 | 15 | $816 |
| Mesalamine | Generic | 32 | 0 | $13,984 |
| Zenpep (Lipase/Protease/Amylase) | Brand | 31 | 0 | $117,137 |
| Metoclopramide Hcl | Generic | 28 | 0 | $215 |
Hospital affiliations
Frequently asked questions
What is Dr. Gary Monash's medical specialty?
Dr. Gary Monash practices Gastroenterology Physician in Tucson, AZ.
Where does Dr. Gary Monash practice?
Dr. Gary Monash practices at 7566 N la Cholla Blvd, Tucson, AZ 857412307. Office phone: 5207424139.
What is Dr. Gary Monash's NPI?
Dr. Gary Monash's National Provider Identifier (NPI) is 1891771846, issued by NPPES.
Does Dr. Gary Monash accept Medicare assignment?
Yes. Dr. Gary Monash accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gary Monash commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.