Internal Medicine, Gastroenterology · San Diego, CA
NPI
1972579068
Since 2006
Specialty
Internal Medicine, Gastroenterology
Code 207RG0100X
Group practices
2
Medicare group memberships
Hospitals
2
Hospital affiliations
17190 Bernardo Center Dr
San Diego, CA, 92128
Phone (858) 675-3100
Groups this clinician bills Medicare through
Medicare paid, 2024
$114K
864 services
Medicare patients, 2024
555
Average age 74
Drug cost, 2024
$712K
1,438 prescriptions
Company payments, 2025
$831
From 10 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Maram F Zakko was code 45385 (colonoscopy - lesion removal), 120 times for 118 patients. In total Maram F Zakko billed 864 services in 29 codes, and Medicare paid $114K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2015-01-30.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 45385 Colonoscopy - Lesion Removal | Facility | 120 | 118 | $202.65 | $24K |
| 43239 Upper GI Endoscopy | Facility | 112 | 112 | $74.41 | $8,334 |
| G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | Facility | 85 | 85 | $182.97 | $16K |
| 45380 Lower GI Endoscopy - Other | Facility | 81 | 78 | $85.61 | $6,935 |
| 99213 Office E&M - Established | Office | 75 | 65 | $70.34 | $5,276 |
| G0105 Colorectal cancer screening; colonoscopy on individual at high risk | Facility | 73 | 73 | $183.71 | $13K |
| 99214 Office E&M - Established | Office | 72 | 62 | $89.14 | $6,418 |
| 99204 Office E&M - New | Office | 64 | 64 | $127.08 | $8,133 |
| 99203 Office E&M - New | Office | 40 | 40 | $82.04 | $3,282 |
| 43249 Upper GI Endoscopy | Facility | 40 | 38 | $94.74 | $3,790 |
| 45378 Lower GI Endoscopy - Other | Facility | 35 | 35 | $132.52 | $4,638 |
| 45388 Lower GI Endoscopy - Other | Facility | 13 | 13 | $218.07 | $2,835 |
By year: 2022 $132K for 981 services; 2023 $136K for 992 services; 2024 $114K for 864 services.
Medicare prescription drug claims, 2024
In 2024, the drug Maram F Zakko prescribed most often to Medicare patients was Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl), with 313 prescriptions and refills. In total Maram F Zakko wrote 1,438 Medicare prescriptions that cost $712K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Gavilyte-G Peg3350/Sod Sulf,bicarb,cl/Kcl | 313 | 313 | 304 | $4,240 |
| Clenpiq Sod Picosulf/Mag Ox/Citric Ac | 295 | 295 | 288 | $52K |
| Gavilyte-C Peg3350/Sod Sulf,bicarb,cl/Kcl | 133 | 133 | 129 | $1,834 |
| Peg-3350 And Electrolytes Peg3350/Sod Sulf,bicarb,cl/Kcl | 101 | 101 | 96 | $1,673 |
| Pantoprazole Sodium Generic | 79 | 174 | 38 | $715 |
| Omeprazole Generic | 66 | 144 | 27 | $1,093 |
| Famotidine Generic | 60 | 144 | 24 | $559 |
| Sod Sulf-Potass Sulf-Mag Sulf Sodium, Potassium,mag Sulfates | 50 | 50 | 50 | $3,425 |
| Mesalamine Generic | 45 | 93 | 13 | $15K |
| Colesevelam Hcl Generic | 25 | 34 | Under 11 | $1,743 |
| Sucralfate Generic | 21 | 23 | Under 11 | $403 |
| Linzess Linaclotide | 16 | 16 | Under 11 | $9,333 |
| Sutab Sod Sulf/Pot Chloride/Mag Sulf | 16 | 16 | 15 | $2,620 |
| Budesonide Dr Budesonide | 11 | 13 | Under 11 | $913 |
| Esomeprazole Magnesium Generic | 11 | 33 | Under 11 | $228 |
Brand drugs: - claims; generic drugs: 932 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Maram F Zakko $831 ($831 in general payments such as food, travel and fees) from 10 companies. The largest payer was Abbvie Inc. with $257.
| Company | Payments | Amount |
|---|---|---|
| Abbvie Inc. ABBV | 17 | $257 |
| Madrigal Pharmaceuticals MDGL | 7 | $158 |
| Takeda Pharmaceuticals U.S.A., Inc. TAK | 6 | $119 |
| Pfizer Inc. PFE | 4 | $75.56 |
| Aimmune Therapeutics, Inc. | 4 | $67.19 |
| Celltrion USA Inc. 068270.KS | 4 | $65.24 |
| Janssen Biotech, Inc. JNJ | 2 | $41.24 |
| Phathom Pharmaceuticals, Inc. PHAT | 1 | $20.51 |
| Novo Nordisk Inc NVO | 1 | $13.96 |
| Lucid Diagnostics Inc. LUCD | 1 | $13.91 |
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.