Internal Medicine, Gastroenterology · Santa Ana, CA
NPI
1902952690
Since 2007
Specialty
Internal Medicine, Gastroenterology
Code 207RG0100X
Group practices
4
Medicare group memberships
Hospitals
1
Hospital affiliations
2621 S Bristol St Ste 202
Santa Ana, CA, 92704
Phone (657) 900-4536
Groups this clinician bills Medicare through
Medicare paid, 2024
$78K
714 services
Medicare patients, 2024
338
Average age 68
Drug cost, 2024
$1.0M
1,409 prescriptions
Company payments, 2025
$981
From 10 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Essam R Quraishi was code 99214 (office e&m - established), 354 times for 224 patients. In total Essam R Quraishi billed 714 services in 16 codes, and Medicare paid $78K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2024-10-25.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Office | 354 | 224 | $98.65 | $35K |
| 99204 Office E&M - New | Office | 90 | 90 | $111.96 | $10K |
| 45385 Colonoscopy - Lesion Removal | Facility | 80 | 79 | $212.22 | $17K |
| 43239 Upper GI Endoscopy | Facility | 63 | 63 | $74.23 | $4,676 |
| 45380 Lower GI Endoscopy - Other | Facility | 55 | 55 | $25.39 | $1,396 |
| G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | Facility | 19 | 19 | $188.78 | $3,587 |
| G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito | Facility | 12 | 12 | $3.12 | $37.4 |
By year: 2022 $62K for 578 services; 2023 $57K for 562 services; 2024 $78K for 714 services.
Medicare prescription drug claims, 2024
In 2024, the drug Essam R Quraishi prescribed most often to Medicare patients was Famotidine, with 237 prescriptions and refills. In total Essam R Quraishi wrote 1,409 Medicare prescriptions that cost $1.0M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Famotidine Generic | 237 | 576 | 96 | $4,894 |
| Pantoprazole Sodium Generic | 152 | 336 | 86 | $1,415 |
| Linzess Linaclotide | 93 | 186 | 35 | $100K |
| Gavilyte-G Peg3350/Sod Sulf,bicarb,cl/Kcl | 92 | 92 | 90 | $1,672 |
| Sucralfate Generic | 87 | 134 | 35 | $30K |
| Dicyclomine Hcl Generic | 79 | 126 | 35 | $2,283 |
| Peg3350-Sod Sul-Nacl-Kcl-Asb-C Peg3350/Sod Sul/Nacl/Kcl/Asb/C | 74 | 74 | 73 | $5,435 |
| Sod Sulf-Potass Sulf-Mag Sulf Sodium, Potassium,mag Sulfates | 55 | 55 | 53 | $3,473 |
| Dexlansoprazole Dr Dexlansoprazole | 53 | 114 | 17 | $18K |
| Xifaxan Rifaximin | 45 | 45 | 16 | $142K |
| Hydrocortisone Generic | 35 | 39 | 25 | $1,315 |
| Peg-3350 And Electrolytes Peg3350/Sod Sulf,bicarb,cl/Kcl | 29 | 29 | 29 | $516 |
| Colesevelam Hcl Generic | 26 | 26 | Under 11 | $2,923 |
| Ondansetron Odt Ondansetron | 24 | 24 | Under 11 | $560 |
| Humira(Cf) Pen Adalimumab | 24 | 24 | Under 11 | $158K |
Brand drugs: 311 claims; generic drugs: 1,098 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Essam R Quraishi $981 ($981 in general payments such as food, travel and fees) from 10 companies. The largest payer was Abbvie Inc. with $629.
| Company | Payments | Amount |
|---|---|---|
| Abbvie Inc. ABBV | 29 | $629 |
| Janssen Biotech, Inc. JNJ | 4 | $95 |
| Madrigal Pharmaceuticals MDGL | 2 | $55.32 |
| Ardelyx, Inc. ARDX | 2 | $47.07 |
| Pfizer Inc. PFE | 2 | $44.1 |
| Lilly USA, LLC LLY | 1 | $33.65 |
| Phathom Pharmaceuticals, Inc. PHAT | 1 | $21.66 |
| Intercept Pharmaceuticals, Inc. | 1 | $20.4 |
| QOL Medical, LLC | 1 | $18.2 |
| CapsoVision, Inc. CV | 1 | $15.72 |
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.