Internal Medicine, Gastroenterology · Tucson, AZ
NPI
1982651857
Since 2006
Specialty
Internal Medicine, Gastroenterology
Code 207RG0100X
Group practices
3
Medicare group memberships
Hospitals
4
Hospital affiliations
395 N Silverbell Rd Ste 265
Tucson, AZ, 85745
Phone (520) 724-0559
Groups this clinician bills Medicare through
Medicare paid, 2024
$144K
1,384 services
Medicare patients, 2024
689
Average age 75
Drug cost, 2024
$1.4M
2,788 prescriptions
Company payments, 2025
$1,269
From 11 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Rizwan Safdar was code 99213 (office e&m - established), 287 times for 212 patients. In total Rizwan Safdar billed 1,384 services in 41 codes, and Medicare paid $144K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2024-09-16.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99213 Office E&M - Established | Office | 287 | 212 | $59.39 | $17K |
| 43239 Upper GI Endoscopy | Facility | 152 | 148 | $84.08 | $13K |
| 45385 Colonoscopy - Lesion Removal | Facility | 127 | 126 | $201.08 | $26K |
| 99203 Office E&M - New | Office | 121 | 121 | $68.81 | $8,326 |
| 45380 Lower GI Endoscopy - Other | Facility | 113 | 112 | $127.21 | $14K |
| 99214 Office E&M - Established | Office | 112 | 90 | $99.78 | $11K |
| 99204 Office E&M - New | Office | 96 | 96 | $127.09 | $12K |
| 99222 Hospital E&M - Initial | Facility | 54 | 52 | $94.91 | $5,125 |
| 99221 Hospital E&M - Initial | Facility | 49 | 48 | $60.55 | $2,967 |
| 43235 Upper GI Endoscopy | Facility | 48 | 47 | $90.23 | $4,331 |
| G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | Facility | 34 | 32 | $160.62 | $5,461 |
| 99232 Hospital E&M - Subsequent | Facility | 24 | 14 | $53.21 | $1,277 |
| 43249 Upper GI Endoscopy | Facility | 22 | 20 | $91.67 | $2,017 |
| 45378 Lower GI Endoscopy - Other | Facility | 18 | 18 | $139.08 | $2,503 |
| 99231 Hospital E&M - Subsequent | Facility | 13 | 13 | $38.60 | $502 |
By year: 2022 $159K for 1,671 services; 2023 $132K for 1,386 services; 2024 $144K for 1,384 services.
Medicare prescription drug claims, 2024
In 2024, the drug Rizwan Safdar prescribed most often to Medicare patients was Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg), with 720 prescriptions and refills. In total Rizwan Safdar wrote 2,788 Medicare prescriptions that cost $1.4M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Peg 3350-Electrolyte Sodium Chloride/Nahco3/Kcl/Peg | 720 | 720 | 696 | $14K |
| Pantoprazole Sodium Generic | 431 | 857 | 174 | $5,031 |
| Famotidine Generic | 186 | 364 | 70 | $3,227 |
| Sucralfate Generic | 137 | 246 | 60 | $5,391 |
| Omeprazole Generic | 114 | 236 | 53 | $2,788 |
| Metoclopramide Hcl Generic | 78 | 98 | 29 | $250 |
| Linzess Linaclotide | 78 | 126 | 30 | $68K |
| Dicyclomine Hcl Generic | 74 | 114 | 39 | $1,528 |
| Zenpep Lipase/Protease/Amylase | 56 | 96 | 16 | $222K |
| Ursodiol Generic | 51 | 98 | 16 | $6,699 |
| Gavilyte-G Peg3350/Sod Sulf,bicarb,cl/Kcl | 41 | 41 | 40 | $665 |
| Budesonide Dr Budesonide | 38 | 60 | 11 | $5,597 |
| Gavilyte-N Sodium Chloride/Nahco3/Kcl/Peg | 38 | 38 | 38 | $560 |
| Humira(Cf) Pen Adalimumab | 35 | 39 | Under 11 | $285K |
| Prednisone Generic | 34 | 49 | 17 | $159 |
Brand drugs: - claims; generic drugs: 2,002 claims; opioid claims: 16.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Rizwan Safdar $1,269 ($1,269 in general payments such as food, travel and fees) from 11 companies. The largest payer was Abbvie Inc. with $271.
| Company | Payments | Amount |
|---|---|---|
| Abbvie Inc. ABBV | 19 | $271 |
| Ardelyx, Inc. ARDX | 7 | $181 |
| Ipsen Biopharmaceuticals, Inc IPN.PA | 7 | $169 |
| Aimmune Therapeutics, Inc. | 16 | $163 |
| Phathom Pharmaceuticals, Inc. PHAT | 19 | $138 |
| Gilead Sciences, Inc. GILD | 4 | $97.92 |
| Evoke Pharma, Inc. EVOK | 3 | $76.37 |
| Regeneron Healthcare Solutions, Inc. REGN | 2 | $51.34 |
| Takeda Pharmaceuticals U.S.A., Inc. TAK | 2 | $42.63 |
| Intercept Pharmaceuticals, Inc. | 2 | $40.82 |
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.