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Edit this profileAt a glance
- 21202 Owens Rd Ste 101, Mokena, IL 60448
About Colleen Grandowski
Colleen M. Grandowski, ACNP is a nurse practitioner practicing in Mokena, IL. Colleen trained at Loyola University of Chicago, Stritch School of Medicine, graduating in 2009. Colleen is also listed as specializing in nurse practitioner — acute care. According to Medicare claims data, Colleen cared for 64 Medicare patients across 66 services. The services billed most often include new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. This provider record is associated with NPI 1265768352.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (779) 334-0030
- Email not available
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Practice Locations
21202 OWENS RD STE 101
Mokena, IL 60448
Procedures Most Often Billed to Medicare
66 services · 64 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
33 | More often than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
21 | Less often than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
12 | Less often than most peers in Nurse Practitioner |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other nurse practitioners at this location 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 22 related providers in 3 groups
Other nurse practitioners in Mokena 6
Same specialty, same city.
Trained at Loyola University of Chicago, Stritch School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2009 at Loyola University of Chicago, Stritch School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Colleen M. Grandowski's specialty?
Colleen M. Grandowski is a nurse practitioner in Mokena, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Colleen M. Grandowski?
Colleen M. Grandowski is listed at 21202 Owens Rd Ste 101, Mokena, IL 60448. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Colleen M. Grandowski?
The number on file is (779) 334-0030. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Colleen M. Grandowski's NPI number?
Colleen M. Grandowski's National Provider Identifier is 1265768352. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Colleen M. Grandowski's education?
Colleen M. Grandowski attended Loyola University of Chicago, Stritch School of Medicine, graduating in 2009. This comes from the CMS National Downloadable File.
CMS public data
How long has Colleen M. Grandowski been practicing?
Colleen M. Grandowski has 17 years experience. Calculated from a graduation year of 2009, reported in the CMS National Downloadable File.
CMS public data
What is Colleen M. Grandowski known for?
According to Medicare billing data, Colleen M. Grandowski the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Colleen M. Grandowski confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Colleen M. Grandowski. If this is you, claiming it is free.
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