MRS. HEATHER MARIE WILLIAMS (PA-C) – Physician Assistant, NPI 1144699125
Physician Assistant
Main info
Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
6,069 PHYSICIAN ASSISTANT in MI
Provider Addresses for MRS. HEATHER MARIE WILLIAMS (PA-C)
730 Water Tower Rd
Big Rapids, MI 493072160
Phone: (231) 527-7150
Fax: (231) 796-4109
Type: Location
100 MICHIGAN ST NE # MC845
GRAND RAPIDS, MI 495032560
Phone:
Type: Mailing
111 E CHURCH ST
TUSTIN, MI 496885114
Phone: (231) 832-8560
Type: Location
21422 15 MILE RD
LEROY, MI 496558524
Phone: (231) 388-3746
Type: Mailing
1035 E WILCOX AVE
WHITE CLOUD, MI 493498794
Phone: (231) 689-5943
Fax: (231) 689-1590
Type: Location
520 COBB ST
CADILLAC, MI 496012588
Phone: (231) 876-6527
Fax: (231) 876-6519
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $18.
Total Amount is formed as General ($18) + Research ($0) + Ownership ($0) = $18.
Last reported payment date: 2024-03-21 • Largest payer in this snapshot: ABBVIE INC. ($18).
Total Amount
$18
General + Research + Ownership
Payments
1
Total payment records
General Amount
$18
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-03-21
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $18 |
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: 2016-06-08
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 |
|---|---|---|---|---|
| I20160608001153 | I | Physician Assistant | MI | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 49307)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| General Practice, Emergency Medicine | MI | |
| Emergency Medicine | MI | |
| Emergency Medicine | MI | |
| - | MI | |
| Emergency Medicine | MI | |
| Family Practice | MI | |
| Emergency Medicine | MI | |
| - | MI | |
| Nurse Practitioner | MI | |
| Family Practice | MI |
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