Internal Medicine, Nephrology · Danville, PA
NPI
1407016967
Since 2008
Specialty
Internal Medicine, Nephrology
Code 207RN0300X
Group practices
1
Medicare group memberships
Hospitals
3
Hospital affiliations
100 N Academy Ave
Danville, PA, 17822
Phone (570) 271-6393
Groups this clinician bills Medicare through
Medicare paid, 2024
$16K
292 services
Medicare patients, 2024
138
Average age 72
Drug cost, 2024
$707K
1,171 prescriptions
Company payments, 2025
$3,403
From 7 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Alexander R Chang was code 99232 (hospital e&m - subsequent), 80 times for 38 patients. In total Alexander R Chang billed 292 services in 19 codes, and Medicare paid $16K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2020-08-20.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99232 Hospital E&M - Subsequent | Facility | 80 | 38 | $59.34 | $4,747 |
| 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 | 46 | 41 | $11.12 | $511 |
| 99214 Office E&M - Established | Facility | 37 | 32 | $63.57 | $2,352 |
| 90935 Hemodialysis | Facility | 20 | 16 | $53.49 | $1,070 |
| 99222 Hospital E&M - Initial | Facility | 17 | 17 | $98.33 | $1,672 |
| 93784 External Electrocardiographic Monitoring | Facility | 12 | 12 | $28.23 | $339 |
| 99213 Office E&M - Established | Facility | 11 | 11 | $45.27 | $498 |
By year: 2022 $24K for 360 services; 2023 $18K for 286 services; 2024 $16K for 292 services.
Medicare prescription drug claims, 2024
In 2024, the drug Alexander R Chang prescribed most often to Medicare patients was Amlodipine Besylate, with 127 prescriptions and refills. In total Alexander R Chang wrote 1,171 Medicare prescriptions that cost $707K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Amlodipine Besylate Generic | 127 | 274 | 42 | $722 |
| Lisinopril Generic | 101 | 217 | 29 | $741 |
| Losartan Potassium Generic | 101 | 222 | 31 | $908 |
| Jardiance Empagliflozin | 65 | 102 | 15 | $60K |
| Spironolactone Generic | 65 | 147 | 18 | $505 |
| Torsemide Generic | 63 | 120 | 17 | $1,667 |
| Hydrochlorothiazide Generic | 53 | 97 | 13 | $235 |
| Chlorthalidone Generic | 53 | 91 | 12 | $807 |
| Irbesartan Generic | 41 | 59 | Under 11 | $362 |
| Metoprolol Succinate Generic | 39 | 61 | Under 11 | $478 |
| Carvedilol Generic | 36 | 85 | 14 | $407 |
| Jynarque Tolvaptan | 26 | 26 | Under 11 | $514K |
| Allopurinol Generic | 26 | 68 | Under 11 | $155 |
| Potassium Citrate Er Potassium Citrate | 23 | 34 | Under 11 | $1,024 |
| Eplerenone Generic | 21 | 31 | Under 11 | $1,327 |
Brand drugs: 153 claims; generic drugs: 1,018 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Alexander R Chang $3,403 ($3,403 in general payments such as food, travel and fees) from 7 companies. The largest payer was Amgen Inc. with $3,285.
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.