CLARRISA C. HAMANN (APN-CNP) – Nurse Practitioner, NPI 1255542718
Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
11,632 NURSE PRACTITIONER in IL
Provider Addresses for CLARRISA C. HAMANN (APN-CNP)
2151 Waukegan Rd
SUITE 100
Bannockburn, IL 600151885
Phone: (847) 444-5300
Fax: (847) 267-1429
Type: Location
Highland Park Hospital, 777, Park Avenue West, Highland Park, Lake County, Illinois, 60035, United States
HIGHLAND PARK, IL 600352433
Phone: (847) 480-3956
Fax: (847) 480-2861
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 102 Open Payments records for all available years, with a total value of $3,932.
Total Amount is formed as General ($3,932) + Research ($0) + Ownership ($0) = $3,932.
Last reported payment date: 2024-12-18 • Largest payer in this snapshot: Novartis Pharmaceuticals Corporation ($720).
Total Amount
$3,932
General + Research + Ownership
Payments
102
Total payment records
General Amount
$3,932
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Novartis Pharmaceuticals Corporation | $720 |
| Amgen Inc. | $703 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $641 |
| Abbott Laboratories | $404 |
| Novo Nordisk Inc | $298 |
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: 2005-08-09
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 |
|---|---|---|---|---|
| I20050809000429 | I | Nurse Practitioner | 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 |
|---|---|---|---|---|
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 261 | 219 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 75 | 72 | $0 |
| G2212 | Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or | 50 | 39 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 24 | 22 | $0 |
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 15 | 13 | $0 |
Insurance plans in this area (ZIP 60015)
Loading plans...
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | IL | |
| E N D O C R I N O L O G Y | IL | |
| N E U R O L O G Y | IL | |
| Hospitalist, Internal Medicine | IL | |
| O P H T H A L M O L O G Y | IL | |
| - | IL | |
| E N D O C R I N O L O G Y | IL | |
| Cardiovascular Disease (Cardiology), Interventional Cardiology | IL | |
| Clinical Social Worker | IL | |
| Certified Nurse Midwife (Cnm) | IL |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.