APRIL MICHELLE GUILLIAMS (PMHNP-BC) – Psychiatric/Mental Health Nurse Practitioner, NPI 1184285926
Psychiatric/Mental Health Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
11,632 NURSE PRACTITIONER in IL
Provider Addresses for APRIL MICHELLE GUILLIAMS (PMHNP-BC)
405 KAYS DR STE C
NORMAL, IL 617611979
Phone: (309) 664-3130
Fax: (309) 664-3258
Type: Mailing
2948 ARTESIAN RD
NAPERVILLE, IL 605648558
Phone: (888) 428-7890
Fax: (888) 428-7891
Type: Mailing
2071 N SOUTHPORT AVE
CHICAGO, IL 606144015
Phone: (888) 428-7890
Type: Location
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 $126.
Total Amount is formed as General ($126) + Research ($0) + Ownership ($0) = $126.
Last reported payment date: 2023-07-19 • Largest payer in this snapshot: Supernus Pharmaceuticals, Inc. ($126).
Total Amount
$126
General + Research + Ownership
Payments
1
Total payment records
General Amount
$126
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-07-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Supernus Pharmaceuticals, Inc. | $126 |
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: 2023-07-27
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
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 |
|---|---|---|---|---|
| I20190814001994 | I | Nurse Practitioner | IL | TBD |
| I20220802003269 | I | Nurse Practitioner | CT | TBD |
| I20230727000897 | I | Nurse Practitioner | NY | 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 |
|---|---|---|---|---|
| 90833 | Psychotherapy with evaluation and management visit, 30 minutes | 47 | 16 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 39 | 13 | $0 |
Insurance plans in this area (ZIP 61761)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Mental Health Counselor | IL | |
| Mental Health Counselor | IL | |
| Clinical Psychologist | IL | |
| Mental Health Counselor | IL | |
| Nurse Practitioner | IL | |
| Clinical Psychologist | IL | |
| Mental Health Counselor | IL | |
| Clinical Social Worker | NM | |
| Clinical Social Worker | IL | |
| Clinical Social Worker | IL |
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