EUN A WILLIAMSON (NP) – Adult Health Nurse Practitioner, NPI 1043781180
Adult Health Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
22,209 NURSE PRACTITIONER in TX
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Provider Addresses for EUN A WILLIAMSON (NP)
319 INDIAN SUMMER DR
SUGAR LAND, TX 774795180
Phone: (832) 677-4056
Type: Mailing
OakBend Medical Center, 1705, Jackson Street, Richmond, Fort Bend County, Texas, 77469, United States
RICHMOND, TX 774693246
Phone: (281) 341-3000
Type: Location
4401 GARTH RD
BAYTOWN, TX 775212122
Phone: (832) 677-4056
Type: Mailing
4427 STONE CHAPEL WAY
RICHMOND, TX 774062451
Phone: (832) 677-4056
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2019-05-17
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 |
|---|---|---|---|---|
| I20190517000695 | I | Nurse Practitioner | 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 |
|---|---|---|---|---|
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 36 | 35 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 32 | 32 | $0 |
| 99221 | Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 18 | 18 | $0 |
Insurance plans in this area (ZIP 77479)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | TX | |
| - | TX | |
| Nurse Practitioner | TX | |
| Physician Assistant | TX | |
| Thoracic Surgery, Vascular Surgery | TX | |
| Medical Oncology, Hematology | TX | |
| Internal Medicine | TX | |
| General Surgery | NY | |
| G A S T R O E N T E R O L O G Y | LA | |
| Internal Medicine | TX |
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