HSIAW-LUEN CHANG (MD) – Obstetrics & Gynecology Physician, NPI 1639253016
Obstetrics & Gynecology Physician
Main info
Contacts
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for HSIAW-LUEN CHANG (MD)
25553 Highway 59
Porter, TX 773656154
Phone: (713) 442-2100
Type: Location
17198 St Lukes Way Ste 540
The Woodlands, TX 773848016
Phone: (713) 442-1900
Type: Location
11511 SHADOW CREEK PKWY
PEARLAND, TX 775847298
Phone: (713) 442-4997
Type: Mailing
Kelsey-Seybold Pharmacy, 2755, West Lake Houston Parkway, Kingwood, Houston, Harris County, Texas, 77339, United States
KINGWOOD, TX 773395223
Phone: (713) 442-2100
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $56.
Total Amount is formed as General ($56) + Research ($0) + Ownership ($0) = $56.
Last reported payment date: 2024-10-02 • Largest payer in this snapshot: Bayer Healthcare Pharmaceuticals Inc. ($30).
Total Amount
$56
General + Research + Ownership
Payments
2
Total payment records
General Amount
$56
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-02
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | $30 |
| CooperSurgical, Inc. | $26 |
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: 2010-10-19
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 |
|---|---|---|---|---|
| I20101019001573 | I | Obstetrics/Gynecology | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 77365)
Loading plans...
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.