MICHAEL BRANDON WILLIAMS (MD) – Surgery Physician, NPI 1558781344
Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,644 GENERAL SURGERY in TX
Provider Addresses for MICHAEL BRANDON WILLIAMS (MD)
1614 LILA BETH LN
MISSION, TX 785723188
Phone:
Type: Mailing
614 Maco Dr
Harlingen, TX 785508450
Phone: (956) 296-7000
Fax: (956) 440-9801
Type: Location
614 MACO DR
HARLINGEN, TX 785508450
Phone: (956) 296-7000
Fax: (956) 440-9801
Type: Location
2151 W SPRING ST STE B210
MONROE, GA 306553214
Phone: (770) 207-5738
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 10 Open Payments records for all available years, with a total value of $3,517.
Total Amount is formed as General ($3,517) + Research ($0) + Ownership ($0) = $3,517.
Last reported payment date: 2024-11-11 • Largest payer in this snapshot: Janssen Biotech, Inc. ($3,330).
Total Amount
$3,517
General + Research + Ownership
Payments
10
Total payment records
General Amount
$3,517
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-11
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Janssen Biotech, Inc. | $3,330 |
| AstraZeneca Pharmaceuticals LP | $120 |
| Davol Inc. | $37 |
| Organogenesis Inc. | $18 |
| Intuitive Surgical, Inc. | $12 |
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: 2022-08-23
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20200727001860 | I | General Surgery | TX | TBD |
| I20220823000141 | I | General Surgery | GA | 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 |
|---|---|---|---|---|
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 27 | 27 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 17 | 11 | $0 |
Insurance plans in this area (ZIP 78572)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| General Surgery | GA | |
| Nurse Practitioner | GA | |
| Critical Care (Intensivists), Pulmonary Disease, Sleep Medicine | GA | |
| - | GA | |
| Nurse Practitioner | GA | |
| - | GA | |
| General Surgery | GA | |
| Surgical Oncology | WA | |
| R H E U M A T O L O G Y | GA | |
| Pulmonary Disease, Critical Care (Intensivists), Internal Medicine, Pediatric Medicine | GA |
Reviews
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