Internal Medicine, Gastroenterology · Mequon, WI
NPI
1669559969
Since 2006
Specialty
Internal Medicine, Gastroenterology
Code 207RG0100X
Group practices
2
Medicare group memberships
Hospitals
2
Hospital affiliations
12203 Corporate Pkwy
Mequon, WI, 53092
Phone (262) 387-8200
Groups this clinician bills Medicare through
Medicare paid, 2024
$27K
306 services
Medicare patients, 2024
121
Average age 70
Drug cost, 2024
$926K
362 prescriptions
Company payments, 2025
$31K
From 2 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Lilani P Perera was code 99214 (office e&m - established), 71 times for 39 patients. In total Lilani P Perera billed 306 services in 25 codes, and Medicare paid $27K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2026-01-17.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Facility | 71 | 39 | $74.28 | $5,274 |
| 45380 Lower GI Endoscopy - Other | Facility | 51 | 51 | $108.86 | $5,552 |
| G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's | Facility | 38 | 28 | $13.82 | $525 |
| 45385 Colonoscopy - Lesion Removal | Facility | 26 | 26 | $205.25 | $5,336 |
| 43239 Upper GI Endoscopy | Facility | 20 | 20 | $77.34 | $1,547 |
| 99215 Office E&M - Established | Facility | 15 | 14 | $108.02 | $1,620 |
| 99204 Office E&M - New | Facility | 13 | 13 | $111.60 | $1,451 |
By year: 2022 $40K for 524 services; 2023 $13K for 131 services; 2024 $27K for 306 services.
Medicare prescription drug claims, 2024
In 2024, the drug Lilani P Perera prescribed most often to Medicare patients was Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl), with 79 prescriptions and refills. In total Lilani P Perera wrote 362 Medicare prescriptions that cost $926K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Gavilyte-G Peg3350/Sod Sulf,bicarb,cl/Kcl | 79 | 79 | 73 | $1,275 |
| Sodium Chloride Generic | 39 | 39 | Under 11 | $5,463 |
| Gavilyte-C Peg3350/Sod Sulf,bicarb,cl/Kcl | 38 | 38 | 38 | $674 |
| Peg-3350 And Electrolytes Peg3350/Sod Sulf,bicarb,cl/Kcl | 19 | 19 | 18 | $345 |
| Stelara Ustekinumab | 18 | 19 | Under 11 | $478K |
| Skyrizi On-Body Risankizumab-Rzaa | 16 | 29 | Under 11 | $329K |
| Pantoprazole Sodium Generic | 16 | 42 | Under 11 | $370 |
| Creon Lipase/Protease/Amylase | 11 | 12 | Under 11 | $16K |
Brand drugs: 102 claims; generic drugs: 260 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Lilani P Perera $31K ($31K in general payments such as food, travel and fees) from 2 companies. The largest payer was Janssen Biotech, Inc. with $31K.
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.