Internal Medicine, Gastroenterology · New York, NY
NPI
1457449621
Since 2006
Specialty
Internal Medicine, Gastroenterology
Code 207RG0100X
Group practices
1
Medicare group memberships
Hospitals
0
Hospital affiliations
198 Canal Street, Suite 501
New York, NY, 10013
Phone (212) 219-8010
Groups this clinician bills Medicare through
Medicare paid, 2024
$53K
404 services
Medicare patients, 2024
68
Average age 73
Drug cost, 2024
$917K
10,197 prescriptions
Company payments, 2025
$892
From 7 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Anthony P Chan was code 99214 (office e&m - established), 104 times for 50 patients. In total Anthony P Chan billed 404 services in 22 codes, and Medicare paid $53K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2007-07-08.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Office | 104 | 50 | $109.79 | $11K |
| 46600 Digestive/Gastrointestinal | Office | 60 | 48 | $103.35 | $6,201 |
| 99213 Office E&M - Established | Office | 53 | 34 | $78.22 | $4,146 |
| 43239 Upper GI Endoscopy | Office | 41 | 31 | $107.50 | $4,407 |
| 43251 Upper GI Endoscopy | Office | 36 | 28 | $430.19 | $15K |
| 45331 Lower GI Endoscopy - Other | Office | 24 | 24 | $198.17 | $4,756 |
| 82270 Immunoassay | Office | 19 | 19 | $4.29 | $81.51 |
By year: 2022 $69K for 396 services; 2023 $73K for 427 services; 2024 $53K for 404 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 82270 Immunoassay | 19 | 19 | $4.29 | $81.51 |
Medicare prescription drug claims, 2024
In 2024, the drug Anthony P Chan prescribed most often to Medicare patients was Famotidine, with 2,703 prescriptions and refills. In total Anthony P Chan wrote 10,197 Medicare prescriptions that cost $917K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Famotidine Generic | 2,703 | 4,695 | 688 | $44K |
| Omeprazole Generic | 1,834 | 2,003 | 441 | $15K |
| Procto-Med Hc Hydrocortisone | 892 | 906 | 366 | $8,106 |
| Dicyclomine Hcl Generic | 798 | 821 | 303 | $4,010 |
| Hydrocortisone Generic | 759 | 764 | 285 | $12K |
| Trulance Plecanatide | 456 | 480 | 138 | $268K |
| Gabapentin Generic | 403 | 415 | 267 | $2,473 |
| Pantoprazole Sodium Generic | 364 | 410 | 84 | $1,381 |
| Linzess Linaclotide | 300 | 308 | 95 | $163K |
| Esomeprazole Magnesium Generic | 280 | 308 | 61 | $3,693 |
| Proctozone-Hc Hydrocortisone | 180 | 187 | 95 | $1,702 |
| Licart Diclofenac Epolamine | 177 | 177 | 68 | $70K |
| Buspirone Hcl Generic | 114 | 114 | 74 | $1,580 |
| Sod Sulf-Potass Sulf-Mag Sulf Sodium, Potassium,mag Sulfates | 105 | 105 | 105 | $6,899 |
| Vemlidy Tenofovir Alafenamide | 82 | 82 | 11 | $117K |
Brand drugs: 1,178 claims; generic drugs: 9,019 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Anthony P Chan $892 ($892 in general payments such as food, travel and fees) from 7 companies. The largest payer was Salix Pharmaceuticals, a division of Bausch Health US, LLC with $390.
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.