Doctor profile · Federal record
Dr. Colleen Grandowski, ACNP
Nurse Practitioner · Acute Care Nurse Practitioner · Mokena, IL
- NPI 1265768352
- Accepts Medicare
- 17 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
21202 Owens RD Ste 101
Mokena, IL 604482001
(779) 334-0030
fax (779) 334-0031
Credentials & registration
- NPI registered
- October 2009 — 17 yrs on file
- Profile last updated
- January 17, 2022
- Year of graduation
- 2009 — 17 yrs since
- Specialty taxonomy
- 363L00000X — NUCC code
- State licenses (2)
- Illinois #277000793 · Illinois #209007785
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1265768352. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
11
Distinct HCPCS
1
Medicare allowed
$1,737
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 11 | 11 | $158 |
In context: peer comparison
Among 9 peers in this city , average services per provider: 45. This provider delivers 0.2× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
32
Patients
13
Total drug cost
$497
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 19 | 13 | $423 |
| Meloxicam | Generic | 13 | 0 | $74 |
Hospital affiliations
Frequently asked questions
What is Dr. Colleen Grandowski's medical specialty?
Dr. Colleen Grandowski practices Nurse Practitioner in Mokena, IL.
Where does Dr. Colleen Grandowski practice?
Dr. Colleen Grandowski practices at 21202 Owens RD Ste 101, Mokena, IL 604482001. Office phone: 7793340030.
What is Dr. Colleen Grandowski's NPI?
Dr. Colleen Grandowski's National Provider Identifier (NPI) is 1265768352, issued by NPPES.
Does Dr. Colleen Grandowski accept Medicare assignment?
Yes. Dr. Colleen Grandowski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Colleen Grandowski commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.