MRS. GLADYS C WENG (D.O.) – Internal Medicine Physician, NPI 1225094121
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
13,290 INTERNAL MEDICINE in TX
Provider Addresses for MRS. GLADYS C WENG (D.O.)
Wonder World Drive, San Marcos, Hays County, Texas, 78666-5923, United States
SUITE 101
SAN MARCOS, TX 786667557
Phone: (512) 396-3911
Fax: (512) 353-8052
Type: Mailing
4419 FRONTIER TRL
AUSTIN, TX 787451686
Phone: (512) 654-8100
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 $29.
Total Amount is formed as General ($29) + Research ($0) + Ownership ($0) = $29.
Last reported payment date: 2024-07-22 • Largest payer in this snapshot: Exact Sciences Corporation ($29).
Total Amount
$29
General + Research + Ownership
Payments
1
Total payment records
General Amount
$29
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-07-22
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Exact Sciences Corporation | $29 |
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: 2006-01-20
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 |
|---|---|---|---|---|
| I20060120000803 | I | Internal Medicine | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 331 | 145 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 202 | 116 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 90 | 90 | $0 |
| G0008 | Administration of influenza virus vaccine | 41 | 41 | $0 |
| 90694 | Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage | 38 | 38 | $0 |
Insurance plans in this area (ZIP 78666)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Radiation Oncology | TX | |
| U R O L O G Y | TX | |
| General Surgery | OK | |
| Certified Registered Nurse Anesthetist (Crna) | TX | |
| - | TX | |
| Anesthesiology Assistant | TX | |
| - | TX | |
| - | TX | |
| O B S T E T R I C S/ G Y N E C O L O G Y | TX | |
| - | TX |
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