DR. JOHNNY A. CHANG (M.D.) – Urology Physician, NPI 1619975182
Urology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
171 UROLOGY in CT
Provider Addresses for DR. JOHNNY A. CHANG (M.D.)
28 CRESCENT ST
MIDDLETOWN, CT 064573650
Phone: (860) 358-6000
Fax: (860) 358-8661
Type: Mailing
410 SAYBROOK RD
MIDDLETOWN, CT 064574777
Phone: (860) 358-2270
Fax: (860) 358-2275
Type: Location
Litchfield Street, Torrington, Litchfield County, Connecticut, 06790, United States
SUITE 102
TORRINGTON, CT 067906669
Phone: (860) 496-8990
Fax: (860) 496-7301
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 54 Open Payments records for all available years, with a total value of $1,259.
Total Amount is formed as General ($1,259) + Research ($0) + Ownership ($0) = $1,259.
Last reported payment date: 2024-10-10 • Largest payer in this snapshot: Sumitomo Pharma America, Inc. ($439).
Total Amount
$1,259
General + Research + Ownership
Payments
54
Total payment records
General Amount
$1,259
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-10
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Sumitomo Pharma America, Inc. | $439 |
| Regeneron Healthcare Solutions, Inc. | $97 |
| Astellas Pharma US Inc | $78 |
| PFIZER INC. | $76 |
| Teleflex LLC | $60 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2011-01-10
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20110110000788 | I | Urology | CT | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 413 | 356 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 378 | 283 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 100 | 100 | $0 |
| 52000 | Diagnostic exam of bladder and urethra using an endoscope | 83 | 70 | $0 |
| 51720 | Instillation of anti-cancer drug into bladder | 42 | 12 | $0 |
Insurance plans in this area (ZIP 06457)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | CT | |
| Nurse Practitioner | CT | |
| Physician Assistant | CT | |
| Family Practice | CT | |
| Physician Assistant | CT | |
| - | CT | |
| Family Practice | CT | |
| Family Practice | CT | |
| Physician Assistant | MA | |
| General Surgery | CT |
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