VICTOR CHANG (MD) – Hematology (Internal Medicine) Physician, NPI 1760423867
Hematology (Internal Medicine) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
86 HEMATOLOGY in CT
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Provider Addresses for VICTOR CHANG (MD)
19, Lunar Drive, Woodbridge, New Haven County, Connecticut, 06525, United States
WOODBRIDGE, CT 06525
Phone: (203) 389-7504
Fax: (203) 389-1666
Type: Mailing
1075, Chase Parkway, Waterbury, Naugatuck Valley Planning Region, Connecticut, 06708, United States
SUITE B
WATERBURY, CT 06708
Phone: (203) 755-6311
Fax: (203) 755-6263
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 10 Open Payments records for all available years, with a total value of $909.
Total Amount is formed as General ($909) + Research ($0) + Ownership ($0) = $909.
Last reported payment date: 2024-10-18 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($370).
Total Amount
$909
General + Research + Ownership
Payments
10
Total payment records
General Amount
$909
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-18
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2005-06-23
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 |
|---|---|---|---|---|
| I20050623000329 | I | Hematology | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 572 | 279 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 367 | 174 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 227 | 108 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 143 | 134 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 106 | 100 | $0 |
Insurance plans in this area (ZIP 06525)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Interventional Cardiology, Cardiovascular Disease (Cardiology) | CT | |
| H E M A T O L O G Y/ O N C O L O G Y | CT | |
| - | CT | |
| - | NC | |
| Internal Medicine | CT | |
| - | CT | |
| - | CT | |
| - | CT | |
| Physician Assistant | CT | |
| - | CT |
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