DR. BILL K CHANG (MD) – Vascular Surgery Physician, NPI 1043321698
Vascular Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
492 VASCULAR SURGERY in TX
Provider Addresses for DR. BILL K CHANG (MD)
1050 GEMINI ST STE 203
HOUSTON, TX 770582706
Phone: (281) 554-8919
Fax: (281) 554-6045
Type: Location
560, Blossom Street, Webster, Harris County, Texas, 77598, United States
SUITE A
WEBSTER, TX 775984236
Phone: (281) 554-8919
Fax: (281) 554-6045
Type: Location
PO BOX 58687
WEBSTER, TX 775988687
Phone: (281) 554-8919
Fax: (281) 554-6045
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 38 Open Payments records for all available years, with a total value of $1,737.
Total Amount is formed as General ($1,737) + Research ($0) + Ownership ($0) = $1,737.
Last reported payment date: 2024-10-08 • Largest payer in this snapshot: Silk Road Medical, Inc. ($998).
Total Amount
$1,737
General + Research + Ownership
Payments
38
Total payment records
General Amount
$1,737
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-08
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Silk Road Medical, Inc. | $998 |
| Medtronic, Inc. | $294 |
| Boston Scientific Corporation | $132 |
| AngioDynamics, Inc. | $111 |
| Janssen Pharmaceuticals, Inc | $50 |
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: 2007-02-16
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 |
|---|---|---|---|---|
| I20070216000219 | I | Vascular Surgery | TX | 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 | 375 | 182 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 162 | 126 | $0 |
| 93925 | Ultrasound of leg arteries or artery grafts | 100 | 67 | $0 |
| 75710 | Review by radiologist of arm or leg artery image | 100 | 64 | $0 |
| 93923 | Complete ultrasound study of arm and leg arteries | 96 | 63 | $0 |
Insurance plans in this area (ZIP 77058)
Loading plans...
Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| VASCULAR SURGERY | TX | 36556 | Insertion of central venous catheter for infusion, patient 5 years or older | 223 | 181 |
| VASCULAR SURGERY | TX | 93922 | Ultrasound study of arteries of both arms and legs | 14 | 11 |
| VASCULAR SURGERY | TX | 93926 | Ultrasound study of arteries and arterial grafts of one leg or limited | 15 | 12 |
| VASCULAR SURGERY | TX | 93971 | Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers | 210 | 175 |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.