Internal Medicine · Chicago, IL
NPI
1124140207
Since 2007
Specialty
Internal Medicine
Code 207R00000X
Group practices
4
Medicare group memberships
Hospitals
5
Hospital affiliations
1044 N Francisco Ave
Chicago, IL, 60622
Phone (773) 292-8278
Groups this clinician bills Medicare through
Medicare paid, 2024
$2.5M
33,055 services
Medicare patients, 2024
2,598
Average age 79
Drug cost, 2024
$3.5M
46,643 prescriptions
Company payments, 2025
$265
From 3 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Eric J Chuang was code 99309 (snf e&m), 14,511 times for 1,643 patients. In total Eric J Chuang billed 33,055 services in 41 codes, and Medicare paid $2.5M.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2016-07-29.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99309 SNF E&M | Facility | 14,511 | 1,643 | $79.67 | $1.2M |
| 99308 SNF E&M | Facility | 9,516 | 1,009 | $54.12 | $515K |
| 99233 Hospital E&M - Subsequent | Facility | 2,364 | 531 | $87.32 | $206K |
| 99232 Hospital E&M - Subsequent | Facility | 2,267 | 417 | $57.83 | $131K |
| 99306 SNF E&M | Facility | 1,128 | 930 | $135.12 | $152K |
| 99223 Hospital E&M - Initial | Facility | 654 | 540 | $124.79 | $82K |
| 99310 SNF E&M | Facility | 569 | 372 | $113.74 | $65K |
| 99239 Hospital Discharge Management | Facility | 453 | 361 | $83.14 | $38K |
| 99316 SNF E&M | Facility | 208 | 201 | $96.85 | $20K |
| G0181 Physician or allowed practitioner supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician or allow | Facility | 140 | 129 | $79.23 | $11K |
| 99349 Home E&M - New and Established | Office | 137 | 33 | $94.58 | $13K |
| 99307 SNF E&M | Facility | 128 | 84 | $29.85 | $3,821 |
| 99222 Hospital E&M - Initial | Facility | 118 | 116 | $95.49 | $11K |
| 99305 SNF E&M | Facility | 110 | 101 | $95.54 | $11K |
| 99497 Care Management/Coordination | Facility | 102 | 93 | $56.13 | $5,725 |
By year: 2022 $862K for 11,007 services; 2023 $1.5M for 17,645 services; 2024 $2.5M for 33,055 services.
Medicare prescription drug claims, 2024
In 2024, the drug Eric J Chuang prescribed most often to Medicare patients was Atorvastatin Calcium, with 2,748 prescriptions and refills. In total Eric J Chuang wrote 46,643 Medicare prescriptions that cost $3.5M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Atorvastatin Calcium Generic | 2,748 | 2,749 | 457 | $42K |
| Eliquis Apixaban | 2,301 | 2,301 | 256 | $654K |
| Amlodipine Besylate Generic | 1,311 | 1,311 | 252 | $15K |
| Gabapentin Generic | 1,263 | 1,263 | 214 | $21K |
| Levothyroxine Sodium Generic | 1,186 | 1,186 | 212 | $15K |
| Furosemide Generic | 1,064 | 1,064 | 203 | $7,900 |
| Tamsulosin Hcl Generic | 980 | 980 | 168 | $17K |
| Quetiapine Fumarate Generic | 972 | 972 | 125 | $19K |
| Lisinopril Generic | 929 | 929 | 146 | $9,276 |
| Metoprolol Tartrate Generic | 898 | 898 | 160 | $7,784 |
| Losartan Potassium Generic | 882 | 882 | 139 | $9,974 |
| Donepezil Hcl Generic | 800 | 800 | 119 | $9,021 |
| Sertraline Hcl Generic | 783 | 783 | 121 | $13K |
| Metoprolol Succinate Generic | 780 | 782 | 162 | $14K |
| Memantine Hcl Generic | 765 | 765 | 85 | $23K |
Brand drugs: 8,200 claims; generic drugs: 38,333 claims; opioid claims: 132.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Eric J Chuang $265 ($265 in general payments such as food, travel and fees) from 3 companies. The largest payer was Abbott Laboratories with $181.
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.