JENNIFER I KLAAS (NP) – Nurse Practitioner, NPI 1932469640
Nurse Practitioner
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Profile Insights
NPPES metrics only — not quality of care.
11,632 NURSE PRACTITIONER in IL
Provider Addresses for JENNIFER I KLAAS (NP)
1725 W Harrison St
Suite 207
Chicago, IL 606123841
Phone: (312) 942-5861
Type: Location
1725 W HARRISON ST
SUITE 207
CHICAGO, IL 606123841
Phone: (312) 942-5861
Type: Mailing
29373 NETWORK PL
CHICAGO, IL 606731293
Phone: (847) 390-5900
Type: Mailing
17850 KEDZIE AVE STE 2100
HAZEL CREST, IL 604292056
Phone: (708) 957-4011
Fax: (708) 957-4013
Type: Location
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 $212.
Total Amount is formed as General ($212) + Research ($0) + Ownership ($0) = $212.
Last reported payment date: 2024-08-13 • Largest payer in this snapshot: Horizon Therapeutics plc ($125).
Total Amount
$212
General + Research + Ownership
Payments
2
Total payment records
General Amount
$212
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-08-13
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Horizon Therapeutics plc | $125 |
| Medtronic, Inc. | $87 |
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: 2012-08-21
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 |
|---|---|---|---|---|
| I20120821000898 | 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 |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 344 | 185 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 23 | 23 | $0 |
Insurance plans in this area (ZIP 60612)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nephrology, Internal Medicine | IL | |
| A N E S T H E S I O L O G Y | IL | |
| - | MN | |
| - | IL | |
| - | IL | |
| Rheumatology, Internal Medicine | IL | |
| - | IL | |
| Internal Medicine | IL | |
| P S Y C H I A T R Y | IL | |
| - | IL |
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