DR. WILLIAM J HWANG (MD) – Neurology Physician, NPI 1093714172
Neurology Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for DR. WILLIAM J HWANG (MD)
West Wheatland Road, Dallas, Dallas County, Texas, 75249, United States
#107
DALLAS, TX 752373458
Phone: (972) 572-4000
Fax: (972) 572-3992
Type: Mailing
3430 W Wheatland Rd
#107
Dallas, TX 752373470
Phone: (972) 572-4000
Fax: (972) 572-3992
Type: Location
PO BOX 844658
DALLAS, TX 752844658
Phone: (254) 724-2111
Type: Mailing
2405 CLEAR CREEK RD
KILLEEN, TX 765495775
Phone: (254) 245-9045
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $111.
Total Amount is formed as General ($111) + Research ($0) + Ownership ($0) = $111.
Last reported payment date: 2024-05-14 • Largest payer in this snapshot: Amgen Inc. ($111).
Total Amount
$111
General + Research + Ownership
Payments
1
Total payment records
General Amount
$111
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-05-14
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Amgen Inc. | $111 |
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: 2020-07-28
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
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 |
|---|---|---|---|---|
| I20031231000484 | I | Neurology | TX | TBD |
| I20200224000137 | I | Neurology | CO | TBD |
| I20200728002104 | I | Neurology | ND | 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 75237)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| NEUROLOGY | TX | 95811 | Sleep monitoring of patient (6 years or older) in sleep lab with continued pressured respiratory assistance by mask or breathing tube | 17 | 16 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | ND | |
| A N E S T H E S I O L O G Y | IN | |
| - | ND | |
| H O S P I T A L I S T | ND | |
| Certified Registered Nurse Anesthetist (Crna) | ND | |
| N E P H R O L O G Y | KY | |
| Cardiovascular Disease (Cardiology), Cardiac Electrophysiology | RI | |
| - | NY | |
| - | ND | |
| Internal Medicine, Hospitalist | NC |
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