Doctor profile · Federal record
Dr. Mazen Mardini, MD
Gastroenterology Physician (CMS: Gastroenterology) · Lodi, CA
- NPI 1518909126
- Accepts Medicare
- 53 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
999 S Fairmont Ave, #115
Lodi, CA 95240
(209) 334-6325
fax (209) 334-4651
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- March 3, 2010
- Year of graduation
- 1973 — 53 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- California #A35332
- Medicaid
- CA #00A353320
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1518909126. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
502
Distinct HCPCS
9
Medicare allowed
$77,818
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99204 |
New patient office or other outpatient visit, 45-59 minutes | 141 | 141 | $169 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 97 | 73 | $92 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 56 | 56 | $182 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 51 | 51 | $250 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 47 | 45 | $109 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 44 | 44 | $181 | |
43235 |
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 36 | 36 | $96 | |
G0121 |
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 16 | 16 | $181 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 14 | 14 | $185 |
In context: peer comparison
Among 2 peers in Lodi Gastroenterology Physician, average services per provider: 66. This provider delivers 7.6× the peer median.Open Payments
Industry payments received
All-time total
$86
Transactions
4
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Takeda Pharmaceuticals U.S.A., INC. | 4 | $85.61 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
521
Patients
261
Total drug cost
$149,444
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) | Brand | 174 | 172 | $13,951 |
| Omeprazole | Generic | 103 | 34 | $1,139 |
| Pantoprazole Sodium | Generic | 42 | 14 | $948 |
| Dexlansoprazole Dr (Dexlansoprazole) | Brand | 34 | 0 | $13,562 |
| Linzess (Linaclotide) | Brand | 23 | 0 | $24,788 |
| Famotidine | Generic | 22 | 0 | $193 |
| Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 21 | 21 | $348 |
| Suprep (Sodium, Potassium,Mag Sulfates) | Brand | 20 | 20 | $2,264 |
| Dicyclomine Hcl | Generic | 14 | 0 | $206 |
| Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) | Brand | 12 | 0 | $282 |
Frequently asked questions
What is Dr. Mazen Mardini's medical specialty?
Dr. Mazen Mardini practices Gastroenterology Physician in Lodi, CA.
Where does Dr. Mazen Mardini practice?
Dr. Mazen Mardini practices at 999 S Fairmont Ave, Lodi, CA 95240. Office phone: 2093346325.
What is Dr. Mazen Mardini's NPI?
Dr. Mazen Mardini's National Provider Identifier (NPI) is 1518909126, issued by NPPES.
Does Dr. Mazen Mardini accept Medicare assignment?
Yes. Dr. Mazen Mardini accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mazen Mardini commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99204); Established patient office or other outpatient visit (HCPCS 99213); Diagnostic exam of large bowel using a flexible endoscope (HCPCS 45378). Source: CMS Medicare Physician & Other Practitioners file.