Internal Medicine · Brooklyn, NY
NPI
1902978141
Since 2006
Specialty
Internal Medicine
Code 207R00000X
Group practices
0
Medicare group memberships
Hospitals
0
Hospital affiliations
83 Avenue O
Brooklyn, NY, 11204
Phone (718) 236-6186
Medicare paid, 2024
$57K
826 services
Medicare patients, 2024
97
Average age 76
Drug cost, 2024
$4.9M
38,008 prescriptions
Company payments, 2025
$807
From 10 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Gary G Chen was code 99213 (office e&m - established), 253 times for 82 patients. In total Gary G Chen billed 826 services in 24 codes, and Medicare paid $57K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2016-02-25.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99213 Office E&M - Established | Office | 253 | 82 | $66.62 | $17K |
| 99214 Office E&M - Established | Office | 166 | 70 | $91.05 | $15K |
| 99212 Office E&M - Established | Office | 74 | 44 | $45.75 | $3,385 |
| G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Office | 53 | 53 | $147.26 | $7,805 |
| 90658 Vaccine Product | Office | 28 | 28 | $21.42 | $600 |
| G0179 Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a | Office | 26 | 19 | $32.93 | $856 |
| G0008 Administration of influenza virus vaccine | Office | 21 | 21 | $37.09 | $779 |
| 93000 Electrocardiogram | Office | 15 | 15 | $12.34 | $185 |
By year: 2022 $87K for 1,226 services; 2023 $75K for 1,099 services; 2024 $57K for 826 services.
Lab tests billed to Medicare, 2023
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 36415 Venipuncture Blood Collection | 17 | 17 | $8.40 | $143 |
Medicare prescription drug claims, 2024
In 2024, the drug Gary G Chen prescribed most often to Medicare patients was Atorvastatin Calcium, with 2,043 prescriptions and refills. In total Gary G Chen wrote 38,008 Medicare prescriptions that cost $4.9M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Atorvastatin Calcium Generic | 2,043 | 3,945 | 409 | $14K |
| Diclofenac Epolamine Generic | 1,845 | 2,175 | 225 | $1.5M |
| Vascepa Icosapent Ethyl | 1,674 | 1,946 | 238 | $675K |
| Losartan Potassium Generic | 1,295 | 2,522 | 255 | $8,672 |
| Mometasone Furoate Generic | 1,258 | 1,323 | 157 | $109K |
| Amlodipine Besylate Generic | 913 | 1,714 | 186 | $5,103 |
| Metformin Hcl Generic | 872 | 1,708 | 177 | $5,282 |
| Bepotastine Besilate Generic | 869 | 891 | 112 | $95K |
| Baclofen Generic | 865 | 1,365 | 192 | $6,186 |
| Clobetasol Emollient Clobetasol Propionate/Emoll | 860 | 861 | 87 | $94K |
| Atenolol Generic | 850 | 1,642 | 175 | $5,724 |
| Tamsulosin Hcl Generic | 837 | 1,555 | 168 | $6,939 |
| Glimepiride Generic | 801 | 1,567 | 148 | $6,238 |
| Clopidogrel Clopidogrel Bisulfate | 761 | 1,560 | 153 | $5,113 |
| Omeprazole Generic | 738 | 1,280 | 187 | $11K |
Brand drugs: 6,989 claims; generic drugs: 29,959 claims; opioid claims: 57.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Gary G Chen $807 ($807 in general payments such as food, travel and fees) from 10 companies. The largest payer was AstraZeneca Pharmaceuticals LP with $245.
| Company | Payments | Amount |
|---|---|---|
| AstraZeneca Pharmaceuticals LP AZN | 13 | $245 |
| Bayer Healthcare Pharmaceuticals Inc. BAYN.DE | 1 | $150 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 1 | $125 |
| GlaxoSmithKline, LLC. GSK | 3 | $65.47 |
| Aimmune Therapeutics, Inc. | 3 | $63.09 |
| Gilead Sciences, Inc. GILD | 2 | $58.87 |
| Kowa Pharmaceuticals America, Inc. | 3 | $51.01 |
| Amgen Inc. AMGN | 1 | $19.89 |
| Phathom Pharmaceuticals, Inc. PHAT | 1 | $14.68 |
| Sanofi Pasteur Inc. SNY | 1 | $14.34 |
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.