HELEN ZAKOS (NP) – Critical Care Medicine Nurse Practitioner, NPI 1003229840
Critical Care Medicine Nurse Practitioner
Main info
Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
11,632 NURSE PRACTITIONER in IL
Provider Addresses for HELEN ZAKOS (NP)
800 BIESTERFIELD RD STE 510
ELK GROVE VILLAGE, IL 600073367
Phone: (847) 981-3660
Type: Mailing
800 W Central Rd
Arlington Heights, IL 600052349
Phone: (847) 618-1000
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 13 Open Payments records for all available years, with a total value of $285.
Total Amount is formed as General ($285) + Research ($0) + Ownership ($0) = $285.
Last reported payment date: 2024-07-25 • Largest payer in this snapshot: GlaxoSmithKline, LLC. ($89).
Total Amount
$285
General + Research + Ownership
Payments
13
Total payment records
General Amount
$285
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-07-25
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2014-11-25
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 |
|---|---|---|---|---|
| I20141125000364 | 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 |
|---|---|---|---|---|
| 99291 | Critical care, first 30-74 minutes | 273 | 147 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 42 | 40 | $0 |
Insurance plans in this area (ZIP 60007)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Critical Care (Intensivists), Pulmonary Disease | NY | |
| Nurse Practitioner | IL | |
| Nurse Practitioner | IL | |
| Family Practice | IL | |
| Pulmonary Disease, Critical Care (Intensivists), Internal Medicine | IL | |
| Nurse Practitioner | IL | |
| Hospice/Palliative Care | IL | |
| Critical Care (Intensivists), Internal Medicine | IL | |
| Nurse Practitioner | IL | |
| Nurse Practitioner | WI |
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