PHYLLIS CLARA CHANG (M.D.) – Gastroenterology Physician, NPI 1316058266
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,498 GASTROENTEROLOGY in TX
Loading map...
Provider Addresses for PHYLLIS CLARA CHANG (M.D.)
2206, East Villa Maria Road, Bryan, Brazos County, Texas, 77802, United States
BRYAN, TX 778022547
Phone: (979) 776-4600
Fax: (979) 774-0877
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 63 Open Payments records for all available years, with a total value of $1,676.
Total Amount is formed as General ($1,676) + Research ($0) + Ownership ($0) = $1,676.
Last reported payment date: 2024-12-10 • Largest payer in this snapshot: ABBVIE INC. ($560).
Total Amount
$1,676
General + Research + Ownership
Payments
63
Total payment records
General Amount
$1,676
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-10
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2010-11-16
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 |
|---|---|---|---|---|
| I20101116000715 | 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 |
|---|---|---|---|---|
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | 493 | 228 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 213 | 182 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 161 | 149 | $0 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 141 | 140 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 123 | 122 | $0 |
Insurance plans in this area (ZIP 77802)
Loading plans...
Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| GASTROENTEROLOGY | TX | 45378 | Diagnostic examination of large bowel using an endoscope | 18 | 18 |
| GASTROENTEROLOGY | TX | 45385 | Removal of polyps or growths of large bowel using an endoscope | 81 | 80 |
| GASTROENTEROLOGY | TX | 88312 | Special stained specimen slides to identify organisms including interpretation and report | 147 | 105 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| G A S T R O E N T E R O L O G Y | TX | |
| Physician Assistant | TX | |
| G A S T R O E N T E R O L O G Y | TX | |
| G A S T R O E N T E R O L O G Y | TX | |
| G A S T R O E N T E R O L O G Y | TX | |
| Physician Assistant | TX | |
| Physician Assistant | TX | |
| G A S T R O E N T E R O L O G Y | TX |
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.