Internal Medicine, Gastroenterology · Stockton, CA
NPI
1164527883
Since 2006
Specialty
Internal Medicine, Gastroenterology
Code 207RG0100X
Group practices
0
Medicare group memberships
Hospitals
3
Hospital affiliations
420 W Acacia St, # 18
Stockton, CA, 95203
Phone (209) 466-4685
Medicare paid, 2024
$128K
1,443 services
Medicare patients, 2024
472
Average age 70
Drug cost, 2024
$1.0M
2,770 prescriptions
Company payments, 2025
$2,121
From 16 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Lakshma R Tiyyagura was code 99213 (office e&m - established), 516 times for 271 patients. In total Lakshma R Tiyyagura billed 1,443 services in 26 codes, and Medicare paid $128K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2009-05-11.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99213 Office E&M - Established | Office | 516 | 271 | $67.43 | $35K |
| 99204 Office E&M - New | Office | 149 | 149 | $121.84 | $18K |
| 99232 Hospital E&M - Subsequent | Facility | 136 | 55 | $55.43 | $7,538 |
| 99214 Office E&M - Established | Office | 132 | 125 | $92.60 | $12K |
| 43239 Upper GI Endoscopy | Facility | 113 | 112 | $67.57 | $7,635 |
| 99215 Office E&M - Established | Office | 101 | 27 | $137.35 | $14K |
| 45378 Lower GI Endoscopy - Other | Facility | 81 | 80 | $114.22 | $9,252 |
| 99222 Hospital E&M - Initial | Facility | 56 | 56 | $95.99 | $5,375 |
| 45385 Colonoscopy - Lesion Removal | Facility | 33 | 33 | $156.76 | $5,173 |
| 45380 Lower GI Endoscopy - Other | Facility | 31 | 31 | $128.90 | $3,996 |
| 99233 Hospital E&M - Subsequent | Facility | 21 | 19 | $66.20 | $1,390 |
| 99203 Office E&M - New | Office | 15 | 15 | $83.70 | $1,256 |
| 43235 Upper GI Endoscopy | Facility | 15 | 15 | $80.88 | $1,213 |
| 76981 Ultrasound - Nonspecific | Office | 13 | 13 | $82.50 | $1,073 |
By year: 2022 $145K for 1,471 services; 2023 $144K for 1,491 services; 2024 $128K for 1,443 services.
Medicare prescription drug claims, 2024
In 2024, the drug Lakshma R Tiyyagura prescribed most often to Medicare patients was Famotidine, with 428 prescriptions and refills. In total Lakshma R Tiyyagura wrote 2,770 Medicare prescriptions that cost $1.0M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Famotidine Generic | 428 | 1,039 | 156 | $5,317 |
| Omeprazole Generic | 340 | 821 | 138 | $3,248 |
| Gavilyte-G Peg3350/Sod Sulf,bicarb,cl/Kcl | 280 | 280 | 270 | $4,526 |
| Linzess Linaclotide | 163 | 289 | 55 | $153K |
| Pantoprazole Sodium Generic | 118 | 253 | 38 | $1,305 |
| Tenofovir Disoproxil Fumarate Generic | 110 | 145 | 18 | $14K |
| Peg-3350 And Electrolytes Peg3350/Sod Sulf,bicarb,cl/Kcl | 101 | 101 | 97 | $1,618 |
| Carvedilol Generic | 87 | 167 | 27 | $592 |
| Metronidazole Generic | 70 | 70 | 66 | $538 |
| Spironolactone Generic | 66 | 119 | 17 | $593 |
| Esomeprazole Magnesium Generic | 60 | 96 | 20 | $1,022 |
| Ondansetron Odt Ondansetron | 56 | 58 | 16 | $792 |
| Entecavir Generic | 54 | 77 | Under 11 | $6,963 |
| Gavilyte-C Peg3350/Sod Sulf,bicarb,cl/Kcl | 52 | 52 | 49 | $796 |
| Lactulose Generic | 52 | 58 | 13 | $893 |
Brand drugs: 528 claims; generic drugs: 2,242 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Lakshma R Tiyyagura $2,121 ($2,121 in general payments such as food, travel and fees) from 16 companies. The largest payer was Ardelyx, Inc. with $289.
| Company | Payments | Amount |
|---|---|---|
| Ardelyx, Inc. ARDX | 23 | $289 |
| Janssen Biotech, Inc. JNJ | 12 | $284 |
| Ipsen Biopharmaceuticals, Inc IPN.PA | 10 | $259 |
| Gilead Sciences, Inc. GILD | 15 | $242 |
| Takeda Pharmaceuticals U.S.A., Inc. TAK | 7 | $241 |
| Madrigal Pharmaceuticals MDGL | 6 | $204 |
| Abbvie Inc. ABBV | 10 | $148 |
| Boston Scientific Corporation BSX | 3 | $114 |
| Aimmune Therapeutics, Inc. | 3 | $108 |
| Pfizer Inc. PFE | 2 | $67.67 |
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.