DR. BRANDON MARSHALL WILLIAMS (DC, PA) – Surgical Physician Assistant, NPI 1134355175
Surgical Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,853 PHYSICIAN ASSISTANT in MO
Provider Addresses for DR. BRANDON MARSHALL WILLIAMS (DC, PA)
232 S WOODS MILL RD STE 400E
CHESTERFIELD, MO 630173406
Phone: (314) 878-2888
Fax: (314) 576-8187
Type: Location
13 WOLF CREEK DR STE 1
SWANSEA, IL 622262367
Phone: (618) 233-4458
Type: Mailing
St. Luke's Hospital, 232, South Woods Mill Road, Chesterfield, Saint Louis County, Missouri, 63017, United States
CHESTERFIELD, MO 630173417
Phone: (314) 878-2888
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 22 Open Payments records for all available years, with a total value of $601.
Total Amount is formed as General ($601) + Research ($0) + Ownership ($0) = $601.
Last reported payment date: 2024-10-04 • Largest payer in this snapshot: ABBVIE INC. ($369).
Total Amount
$601
General + Research + Ownership
Payments
22
Total payment records
General Amount
$601
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-04
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $369 |
| Lundbeck LLC | $131 |
| Averitas Pharma Inc. | $35 |
| Fidia Pharma USA Inc. | $30 |
| Acella Pharmaceuticals, LLC | $20 |
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: 2020-11-18
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 |
|---|---|---|---|---|
| I20140318000224 | I | Physician Assistant | MO | TBD |
| I20201118001307 | I | Physician Assistant | IL | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 64 | 47 | $0 |
| 97110 | Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes | 54 | 40 | $0 |
| 97112 | Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes | 50 | 39 | $0 |
| 76942 | Ultrasonic guidance for needle placement | 48 | 22 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 45 | 45 | $0 |
Insurance plans in this area (ZIP 63017)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| A N E S T H E S I O L O G Y | MO | |
| Nurse Practitioner | MO |
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