MRS. ROXANNE JENNIFER SIEMECK (APRN, CNS-BC, FNP-BC) – Clinical Nurse Specialist, NPI 1972774560
Clinical Nurse Specialist
Main info
Contacts
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for MRS. ROXANNE JENNIFER SIEMECK (APRN, CNS-BC, FNP-BC)
Advocate Children's Hospital, 4440, West 95th Street, Oak Lawn, Worth Township, Cook County, Illinois, 60453, United States
6TH FLOOR OUTPATIENT PAVILION
OAK LAWN, IL 60453
Phone: (708) 860-8764
Fax: (708) 520-1871
Type: Mailing
29373 NETWORK PL
CHICAGO, IL 606731293
Phone: (847) 390-5900
Fax: (847) 390-4757
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 51 Open Payments records for all available years, with a total value of $1,999.
Total Amount is formed as General ($1,999) + Research ($0) + Ownership ($0) = $1,999.
Last reported payment date: 2024-12-03 • Largest payer in this snapshot: Abbott Laboratories ($1,930).
Total Amount
$1,999
General + Research + Ownership
Payments
51
Total payment records
General Amount
$1,999
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-03
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Abbott Laboratories | $1,930 |
| Inspire Medical Systems, Inc. | $34 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $34 |
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: 2022-07-14
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 |
|---|---|---|---|---|
| I20220714002161 | I | Certified Clinical Nurse Specialist (Cns) | 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 |
|---|---|---|---|---|
| 93750 | Evaluation of lower heart chamber assist device | 145 | 37 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 104 | 26 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 23 | 11 | $0 |
Insurance plans in this area (ZIP 60453)
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