CASTYN ROSE WILLIAMS (PA) – Physician Assistant, NPI 1306329776
Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
6,069 PHYSICIAN ASSISTANT in MI
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Provider Addresses for CASTYN ROSE WILLIAMS (PA)
4119 KIRKWAY CT
HOWELL, MI 488435510
Phone: (517) 881-2486
Type: Mailing
McAuley Drive, Ypsilanti, Washtenaw County, Michigan, 48107, United States
YPSILANTI, MI 481971051
Phone: (734) 712-3456
Type: Location
221 MICHIGAN ST NE STE 300
GRAND RAPIDS, MI 495032537
Phone: (616) 459-7258
Type: Location
100 MICHIGAN ST NE # MC845
GRAND RAPIDS, MI 495032560
Phone:
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $300.
Total Amount is formed as General ($300) + Research ($0) + Ownership ($0) = $300.
Last reported payment date: 2024-03-19 • Largest payer in this snapshot: Edwards Lifesciences Corporation ($175).
Total Amount
$300
General + Research + Ownership
Payments
2
Total payment records
General Amount
$300
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-03-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Edwards Lifesciences Corporation | $175 |
| ATRICURE, INC. | $125 |
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: 2020-03-30
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 |
|---|---|---|---|---|
| I20181205003329 | I | Physician Assistant | MI | TBD |
| I20200330003807 | I | Physician Assistant | NC | 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 |
|---|---|---|---|---|
| 33533 | Coronary artery bypass using artery graft, 1 graft | 13 | 13 | $0 |
| 33508 | Harvest of vein using an endoscope | 12 | 12 | $0 |
Insurance plans in this area (ZIP 48843)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Critical Care (Intensivists) | IL | |
| Physician Assistant | MI | |
| Physician Assistant | MI | |
| Physician Assistant | MI | |
| - | MI | |
| Vascular Surgery | IL | |
| - | MI | |
| - | MI | |
| A N E S T H E S I O L O G Y | TX | |
| Clinical Social Worker | MI |
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