Internal Medicine, Endocrinology, Diabetes, & Metabolism · Sellersburg, IN
NPI
1104835958
Since 2006
Specialty
Internal Medicine, Endocrinology, Diabetes, & Metabolism
Code 207RE0101X
Group practices
2
Medicare group memberships
Hospitals
5
Hospital affiliations
130 Hunter Station Way Ste 101
Sellersburg, IN, 47172
Phone (812) 218-6560
Groups this clinician bills Medicare through
Medicare paid, 2024
$147K
5,046 services
Medicare patients, 2024
438
Average age 70
Drug cost, 2024
$4.3M
7,804 prescriptions
Company payments, 2025
$736
From 7 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Chih C Chang was code J0897 (injection, denosumab, 1 mg), 3,000 times for 33 patients. In total Chih C Chang billed 5,046 services in 17 codes, and Medicare paid $147K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2026-03-03.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| J0897 Injection, denosumab, 1 mg | Office | 3,000 | 33 | $20.11 | $60K |
| 99214 Office E&M - Established | Office | 698 | 365 | $81.68 | $57K |
| 83036 Blood Count | Office | 424 | 249 | $9.40 | $3,985 |
| 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 | Office | 380 | 273 | $11.75 | $4,464 |
| 95251 Test - Miscellaneous | Office | 298 | 153 | $24.22 | $7,217 |
| 99204 Office E&M - New | Office | 82 | 82 | $107.47 | $8,813 |
| 76536 Ultrasound - Nonspecific | Office | 53 | 44 | $16.00 | $848 |
| 96372 Injection Administration | Office | 51 | 34 | $9.73 | $496 |
| 99213 Office E&M - Established | Office | 17 | 17 | $54.09 | $919 |
By year: 2022 $150K for 5,760 services; 2023 $161K for 5,694 services; 2024 $147K for 5,046 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 83036 Blood Count | 424 | 249 | $9.40 | $3,985 |
Medicare prescription drug claims, 2024
In 2024, the drug Chih C Chang prescribed most often to Medicare patients was Mounjaro (Tirzepatide), with 570 prescriptions and refills. In total Chih C Chang wrote 7,804 Medicare prescriptions that cost $4.3M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Mounjaro Tirzepatide | 570 | 684 | 114 | $714K |
| Levothyroxine Sodium Generic | 522 | 1,117 | 115 | $5,305 |
| Ozempic Semaglutide | 486 | 701 | 108 | $645K |
| Metformin Hcl Er Metformin Hcl | 350 | 986 | 119 | $2,648 |
| Lantus Solostar Insulin Glargine,hum.Rec.Anlog | 274 | 575 | 81 | $49K |
| Nano 2nd Gen Pen Needle Pen Needle, Diabetic | 266 | 637 | 118 | $26K |
| Farxiga Dapagliflozin Propanediol | 249 | 487 | 67 | $265K |
| Trulicity Dulaglutide | 240 | 335 | 52 | $318K |
| Jardiance Empagliflozin | 236 | 489 | 67 | $289K |
| Glimepiride Generic | 209 | 557 | 61 | $1,416 |
| Metformin Hcl Generic | 190 | 493 | 62 | $1,376 |
| Tresiba Flextouch U-100 Insulin Degludec | 146 | 297 | 41 | $118K |
| Novolog Flexpen Insulin Aspart | 132 | 223 | 39 | $30K |
| Atorvastatin Calcium Generic | 131 | 326 | 36 | $1,225 |
| Humalog Kwikpen U-100 Insulin Lispro | 126 | 238 | 37 | $51K |
Brand drugs: 4,684 claims; generic drugs: 2,372 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Chih C Chang $736 ($736 in general payments such as food, travel and fees) from 7 companies. The largest payer was Sequel Med Tech, LLC with $150.
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.