Internal Medicine, Gastroenterology · Lancaster, CA
NPI
1073612545
Since 2006
Specialty
Internal Medicine, Gastroenterology
Code 207RG0100X
Group practices
1
Medicare group memberships
Hospitals
5
Hospital affiliations
1331 W Avenue J Ste 202
Lancaster, CA, 93534
Phone (661) 529-7550
Groups this clinician bills Medicare through
Medicare paid, 2024
$326K
3,407 services
Medicare patients, 2024
959
Average age 72
Drug cost, 2024
$1.1M
4,059 prescriptions
Company payments, 2025
$1,148
From 15 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Vivaik Tyagi was code 99214 (office e&m - established), 1,140 times for 594 patients. In total Vivaik Tyagi billed 3,407 services in 51 codes, and Medicare paid $326K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2019-05-24.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Office | 1,140 | 594 | $88.93 | $101K |
| 43239 Upper GI Endoscopy | Facility | 481 | 412 | $36.47 | $18K |
| 45385 Colonoscopy - Lesion Removal | Facility | 338 | 329 | $190.54 | $64K |
| 45380 Lower GI Endoscopy - Other | Facility | 272 | 272 | $33.61 | $9,143 |
| 99204 Office E&M - New | Office | 257 | 257 | $121.59 | $31K |
| 43251 Upper GI Endoscopy | Facility | 137 | 135 | $112.05 | $15K |
| 43249 Upper GI Endoscopy | Facility | 137 | 111 | $69.34 | $9,500 |
| 99233 Hospital E&M - Subsequent | Facility | 107 | 73 | $97.64 | $10K |
| 99213 Office E&M - Established | Office | 85 | 81 | $56.66 | $4,816 |
| 99223 Hospital E&M - Initial | Facility | 63 | 60 | $142.21 | $8,960 |
| 43255 Upper GI Endoscopy | Facility | 35 | 30 | $126.60 | $4,431 |
| 99215 Office E&M - Established | Office | 35 | 30 | $133.88 | $4,686 |
| 99232 Hospital E&M - Subsequent | Facility | 33 | 30 | $64.84 | $2,140 |
| 91200 Standard X-ray | Office | 32 | 32 | $25.15 | $805 |
| 43254 Upper GI Endoscopy | Facility | 27 | 27 | $219.44 | $5,925 |
By year: 2022 $299K for 2,839 services; 2023 $324K for 3,287 services; 2024 $326K for 3,407 services.
Medicare prescription drug claims, 2024
In 2024, the drug Vivaik Tyagi prescribed most often to Medicare patients was Pantoprazole Sodium, with 792 prescriptions and refills. In total Vivaik Tyagi wrote 4,059 Medicare prescriptions that cost $1.1M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Pantoprazole Sodium Generic | 792 | 1,148 | 254 | $7,940 |
| Famotidine Generic | 643 | 1,056 | 167 | $4,995 |
| Gavilyte-G Peg3350/Sod Sulf,bicarb,cl/Kcl | 313 | 313 | 303 | $4,495 |
| Omeprazole Generic | 288 | 519 | 82 | $3,380 |
| Peg-3350 And Electrolytes Peg3350/Sod Sulf,bicarb,cl/Kcl | 248 | 248 | 240 | $3,525 |
| Linzess Linaclotide | 219 | 290 | 62 | $155K |
| Dicyclomine Hcl Generic | 135 | 164 | 44 | $2,444 |
| Peg 3350-Electrolyte Sodium Chloride/Nahco3/Kcl/Peg | 97 | 97 | 94 | $2,128 |
| Movantik Naloxegol Oxalate | 91 | 95 | 24 | $38K |
| Lactulose Generic | 83 | 93 | 28 | $4,757 |
| Sucralfate Generic | 78 | 100 | 27 | $1,261 |
| Desipramine Hcl Generic | 64 | 81 | 17 | $1,165 |
| Constulose Lactulose | 58 | 62 | 16 | $3,373 |
| Metoclopramide Hcl Generic | 51 | 52 | 37 | $82.22 |
| Lubiprostone Generic | 47 | 53 | Under 11 | $8,455 |
Brand drugs: - claims; generic drugs: 3,189 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Vivaik Tyagi $1,148 ($1,148 in general payments such as food, travel and fees) from 15 companies. The largest payer was Abbvie Inc. with $445.
| Company | Payments | Amount |
|---|---|---|
| Abbvie Inc. ABBV | 28 | $445 |
| Janssen Biotech, Inc. JNJ | 7 | $183 |
| Ardelyx, Inc. ARDX | 8 | $142 |
| Madrigal Pharmaceuticals MDGL | 3 | $66.17 |
| Phathom Pharmaceuticals, Inc. PHAT | 2 | $55.72 |
| Pfizer Inc. PFE | 2 | $49.4 |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC BHC | 2 | $48.13 |
| CapsoVision, Inc. CV | 2 | $33.99 |
| Ipsen Biopharmaceuticals, Inc IPN.PA | 1 | $32.25 |
| Takeda Pharmaceuticals U.S.A., Inc. TAK | 1 | $31.53 |
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.