Internal Medicine, Gastroenterology · Crystal River, FL
NPI
1578728986
Since 2008
Specialty
Internal Medicine, Gastroenterology
Code 207RG0100X
Group practices
1
Medicare group memberships
Hospitals
2
Hospital affiliations
6410 W Gulf to Lake Hwy
Crystal River, FL, 34429
Phone (352) 563-2450
Groups this clinician bills Medicare through
Medicare paid, 2024
$323K
3,737 services
Medicare patients, 2024
893
Average age 74
Drug cost, 2024
$524K
1,929 prescriptions
Company payments, 2025
$20K
From 22 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Siddharth Mathur was code 88305 (surgical pathology examination), 891 times for 344 patients. In total Siddharth Mathur billed 3,737 services in 45 codes, and Medicare paid $323K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2014-02-18.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 88305 Surgical Pathology Examination | Office | 891 | 344 | $54.17 | $48K |
| 99213 Office E&M - Established | Office | 513 | 379 | $64.77 | $33K |
| 88313 Surgical Pathology Examination | Office | 300 | 179 | $64.80 | $19K |
| 43239 Upper GI Endoscopy | Facility | 246 | 241 | $72.35 | $18K |
| 88312 Surgical Pathology Examination | Office | 241 | 162 | $87.50 | $21K |
| 99203 Office E&M - New | Office | 187 | 187 | $70.02 | $13K |
| 45385 Colonoscopy - Lesion Removal | Facility | 183 | 182 | $217.10 | $40K |
| 99214 Office E&M - Established | Office | 155 | 123 | $94.09 | $15K |
| 99233 Hospital E&M - Subsequent | Facility | 154 | 92 | $97.08 | $15K |
| 88360 Immunohistochemistry | Office | 129 | 87 | $94.63 | $12K |
| 99204 Office E&M - New | Office | 122 | 122 | $117.66 | $14K |
| 99223 Hospital E&M - Initial | Facility | 118 | 113 | $140.43 | $17K |
| 88342 Immunohistochemistry | Office | 92 | 60 | $83.36 | $7,669 |
| 43248 Upper GI Endoscopy | Facility | 81 | 78 | $129.67 | $11K |
| 76981 Ultrasound - Nonspecific | Office | 50 | 49 | $67.11 | $3,355 |
By year: 2022 $345K for 5,343 services; 2023 $304K for 3,472 services; 2024 $323K for 3,737 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 88305 Surgical Pathology Examination | 891 | 344 | $54.17 | $48K |
| 88313 Surgical Pathology Examination | 300 | 179 | $64.80 | $19K |
| 88312 Surgical Pathology Examination | 241 | 162 | $87.50 | $21K |
| 88360 Immunohistochemistry | 129 | 87 | $94.63 | $12K |
| 88342 Immunohistochemistry | 92 | 60 | $83.36 | $7,669 |
Medicare prescription drug claims, 2024
In 2024, the drug Siddharth Mathur prescribed most often to Medicare patients was Omeprazole, with 543 prescriptions and refills. In total Siddharth Mathur wrote 1,929 Medicare prescriptions that cost $524K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Omeprazole Generic | 543 | 1,429 | 234 | $8,345 |
| Clenpiq Sod Picosulf/Mag Ox/Citric Ac | 387 | 392 | 378 | $67K |
| Pantoprazole Sodium Generic | 112 | 309 | 51 | $1,901 |
| Gavilyte-C Peg3350/Sod Sulf,bicarb,cl/Kcl | 110 | 110 | 107 | $1,984 |
| Famotidine Generic | 106 | 286 | 39 | $1,853 |
| Sucralfate Generic | 65 | 87 | 32 | $1,200 |
| Linzess Linaclotide | 51 | 105 | 16 | $56K |
| Peg 3350-Electrolyte Sodium Chloride/Nahco3/Kcl/Peg | 44 | 44 | 43 | $1,100 |
| Metoclopramide Hcl Generic | 42 | 53 | 17 | $211 |
| Colestipol Hcl Generic | 41 | 100 | 20 | $3,588 |
| Gavilyte-G Peg3350/Sod Sulf,bicarb,cl/Kcl | 33 | 44 | 32 | $511 |
| Voquezna Vonoprazan Fumarate | 32 | 32 | 14 | $20K |
| Mesalamine Generic | 26 | 40 | Under 11 | $13K |
| Dicyclomine Hcl Generic | 22 | 27 | Under 11 | $171 |
| Budesonide Dr Budesonide | 21 | 31 | Under 11 | $2,823 |
Brand drugs: 619 claims; generic drugs: 1,310 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Siddharth Mathur $20K ($20K in general payments such as food, travel and fees) from 22 companies. The largest payer was Phathom Pharmaceuticals, Inc. with $18K.
| Company | Payments | Amount |
|---|---|---|
| Phathom Pharmaceuticals, Inc. PHAT | 30 | $18K |
| Janssen Biotech, Inc. JNJ | 14 | $558 |
| Abbvie Inc. ABBV | 19 | $374 |
| Ipsen Biopharmaceuticals, Inc IPN.PA | 7 | $296 |
| Intercept Pharmaceuticals, Inc. | 3 | $158 |
| Boston Scientific Corporation BSX | 1 | $136 |
| Aimmune Therapeutics, Inc. | 5 | $89.1 |
| Genzyme Corporation SNY | 3 | $74.28 |
| Lilly USA, LLC LLY | 2 | $50.64 |
| Madrigal Pharmaceuticals MDGL | 2 | $48.58 |
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.