COLLEEN M GRANDOWSKI (ACNP) – Nurse Practitioner, NPI 1265768352
Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
11,632 NURSE PRACTITIONER in IL
Provider Addresses for COLLEEN M GRANDOWSKI (ACNP)
21202 OWENS RD STE 101
MOKENA, IL 604482001
Phone: (779) 334-0030
Fax: (779) 334-0031
Type: Location
300, Madison Street, Joliet, Will County, Illinois, 60435, United States
JOLIET, IL 604356549
Phone: (815) 725-4367
Fax: (815) 773-7468
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2010-01-09
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 |
|---|---|---|---|---|
| I20100109000163 | 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 | 11 | 11 | $0 |
Insurance plans in this area (ZIP 60448)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | IL | |
| Interventional Cardiology, Cardiovascular Disease (Cardiology), Internal Medicine | IL | |
| Internal Medicine, Gastroenterology | IN | |
| Internal Medicine | IL | |
| Family Practice | IL | |
| Interventional Cardiology, Cardiovascular Disease (Cardiology) | IL | |
| Internal Medicine | IL | |
| Family Practice | IL | |
| Internal Medicine, Emergency Medicine | MI | |
| Family Practice, Emergency Medicine | IL |
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