WEIWEI CAO (M.D., PHD) – Gastroenterology Physician, NPI 1992987283
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,498 GASTROENTEROLOGY in TX
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Provider Addresses for WEIWEI CAO (M.D., PHD)
6210 E HIGHWAY 290 STE 420
AUSTIN, TX 787231142
Phone: (512) 483-9569
Fax: (512) 406-6216
Type: Mailing
Medical Parkway, Cedar Park, Williamson County, Texas, United States
CEDAR PARK, TX 786135013
Phone: (512) 260-1581
Fax: (512) 406-7309
Type: Location
1401 MEDICAL PKWY BLDG. B STE. 200
CEDAR PARK, TX 786135013
Phone: (512) 260-1581
Fax: (512) 406-7309
Type: Location
6210 E HIGHWAY 290
AUSTIN, TX 787231142
Phone: (512) 483-9569
Fax: (512) 406-6216
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 15 Open Payments records for all available years, with a total value of $502.
Total Amount is formed as General ($502) + Research ($0) + Ownership ($0) = $502.
Last reported payment date: 2024-09-04 • Largest payer in this snapshot: E.R. Squibb & Sons, L.L.C. ($133).
Total Amount
$502
General + Research + Ownership
Payments
15
Total payment records
General Amount
$502
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-04
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| E.R. Squibb & Sons, L.L.C. | $133 |
| INTERCEPT PHARMACEUTICALS, INC. | $121 |
| ABBVIE INC. | $98 |
| PFIZER INC. | $48 |
| Celgene Corporation | $40 |
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: 2014-10-27
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 |
|---|---|---|---|---|
| I20141027000781 | I | Gastroenterology | 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 |
|---|---|---|---|---|
| 45380 | Biopsy of large bowel using a flexible endoscope | 79 | 77 | $0 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 45 | 43 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 42 | 42 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 36 | 33 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 31 | 31 | $0 |
Insurance plans in this area (ZIP 78723)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| GASTROENTEROLOGY | TX | 45385 | Removal of polyps or growths of large bowel using an endoscope | 21 | 21 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| General Surgery | TX | |
| - | TX | |
| Nurse Practitioner | LA | |
| - | TX | |
| - | TX | |
| - | TX | |
| Family Practice | IA | |
| Family Practice | TX | |
| - | TX | |
| O B S T E T R I C S/ G Y N E C O L O G Y | TX |
Reviews
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