Urology · Middletown, CT
NPI
1619975182
Since 2005
Specialty
Urology
Code 208800000X
Group practices
3
Medicare group memberships
Hospitals
1
Hospital affiliations
410 Saybrook Rd
Middletown, CT, 06457
Phone (860) 358-2270
Groups this clinician bills Medicare through
Medicare paid, 2024
$89K
1,166 services
Medicare patients, 2024
640
Average age 75
Drug cost, 2024
$596K
5,935 prescriptions
Company payments, 2025
$2,674
From 2 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Johnny A Chang was code 99214 (office e&m - established), 352 times for 292 patients. In total Johnny A Chang billed 1,166 services in 58 codes, and Medicare paid $89K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2026-05-05.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Facility | 352 | 292 | $72.60 | $26K |
| 99213 Office E&M - Established | Facility | 318 | 289 | $47.80 | $15K |
| 99204 Office E&M - New | Facility | 70 | 70 | $93.15 | $6,521 |
| 52000 Cystourethroscopy | Facility | 70 | 53 | $60.28 | $4,220 |
| 74420 Standard X-ray | Facility | 35 | 26 | $19.73 | $690 |
| 55700 Other Organ Systems | Facility | 25 | 25 | $102.88 | $2,572 |
| 76942 Ultrasound - Nonspecific | Facility | 25 | 25 | $23.43 | $586 |
| 52332 Cystourethroscopy | Facility | 22 | 18 | $100.51 | $2,211 |
| 99203 Office E&M - New | Facility | 21 | 21 | $54.40 | $1,142 |
| 51700 Other Organ Systems | Facility | 18 | 15 | $24.66 | $444 |
| 52356 Calculus Removal - Urinary | Facility | 13 | 12 | $346.29 | $4,502 |
| 52310 Calculus Removal - Urinary | Facility | 13 | 13 | $121.84 | $1,584 |
| 99222 Hospital E&M - Initial | Facility | 13 | 13 | $107.19 | $1,393 |
By year: 2022 $103K for 1,311 services; 2023 $109K for 1,325 services; 2024 $89K for 1,166 services.
Medicare prescription drug claims, 2024
In 2024, the drug Johnny A Chang prescribed most often to Medicare patients was Finasteride, with 1,970 prescriptions and refills. In total Johnny A Chang wrote 5,935 Medicare prescriptions that cost $596K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Finasteride Generic | 1,970 | 5,311 | 552 | $23K |
| Tamsulosin Hcl Generic | 1,240 | 3,038 | 326 | $17K |
| Dutasteride Generic | 781 | 2,080 | 254 | $26K |
| Oxybutynin Chloride Er Oxybutynin Chloride | 523 | 1,049 | 125 | $10K |
| Myrbetriq Mirabegron | 277 | 474 | 63 | $217K |
| Gemtesa Vibegron | 179 | 381 | 54 | $184K |
| Methenamine Hippurate Generic | 151 | 210 | 32 | $9,360 |
| Solifenacin Succinate Generic | 120 | 222 | 30 | $3,796 |
| Oxybutynin Chloride Generic | 98 | 142 | 46 | $1,394 |
| Alfuzosin Hcl Er Alfuzosin Hcl | 94 | 228 | 25 | $2,651 |
| Levofloxacin Generic | 69 | 69 | 63 | $89.66 |
| Testosterone Generic | 46 | 51 | Under 11 | $4,718 |
| Nitrofurantoin Mono-Macro Nitrofurantoin Monohyd/M-Cryst | 45 | 45 | 30 | $501 |
| Mirabegron Er Mirabegron | 28 | 52 | 13 | $19K |
| Acetaminophen-Codeine Acetaminophen With Codeine | 26 | 26 | 20 | $48.14 |
Brand drugs: 531 claims; generic drugs: 5,404 claims; opioid claims: 29.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Johnny A Chang $2,674 ($2,674 in general payments such as food, travel and fees) from 2 companies. The largest payer was Gyrus ACMI, Inc. with $2,630.
| Company | Payments | Amount |
|---|---|---|
| Gyrus ACMI, Inc. | 2 | $2,630 |
| Sumitomo Pharma America, Inc. 4506.T | 2 | $44.22 |
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.