COLLEEN M GRANDOWSKI ACNP
NPI 1265768352
Nurse Practitioner in Mokena, IL

Q: What is Colleen Grandowski's NPI number?

The NPI number for Colleen Grandowski is 1265768352. It was assigned to this individual provider in the NPPES registry on October 23, 2009.

Q: What is Colleen Grandowski's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Active since October 23, 2009PECOS EnrolledAccepts Medicare Assignment

21202 OWENS RD STE 101, MOKENA, IL 60448(779) 334-0030(779) 334-0031 Get Directions Write a Review

NPPES record last updated: January 17, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About Colleen M Grandowski Acnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

COLLEEN M GRANDOWSKI ACNP (NPI 1265768352) is an individual nurse practitioner in Mokena, Illinois, licensed in Illinois (277000793) and active in the NPI registry since October 2009. She is enrolled in Medicare PECOS, is affiliated with Presence Saint Joseph Medical Center, and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (2009).

NPPES Registry Identity

NPI1265768352

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameCOLLEEN M GRANDOWSKICredential: ACNP

Location Address21202 OWENS RD STE 101Mokena, IL 60448-2001

Mailing Address21202 Owens Rd Ste 101Mokena, IL 60448-2001 · (779) 334-0030 · Fax (779) 334-0031

Phone(779) 334-0030

Fax(779) 334-0031

Sole ProprietorNo

Medical School CMSLoyola University Of Chicago, Stritch School Of MedicineGraduated 2009

Enumeration DateOctober 23, 2009

Last NPPES UpdateJanuary 17, 2022

NPPES CertifiedDecember 8, 2021

✔ NPI 1265768352 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in IL · 277000793

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Also ListedNurse Practitioner · Acute CareTaxonomy 363LA2100X · License 209007785 (IL)

21202 OWENS RD STE 101, Mokena, IL 60448

Open in Google Maps ↗

Other Identifiers 1

Other2009006540IL · American Nurses Credentialing Center

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Colleen M Grandowski Acnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5294876439

PECOS Enrollment IDI20100109000163

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Colleen Grandowski reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

E Mediate Cure LLC

16 mi

Urgent Care

1039 BROOK FOREST AVE
Shorewood, IL 60404

Reassigned Medicare billing, Illinois enrollment
49 clinicians in this Medicare group

NPI 1780051466 (815) 681-7733

Mount Sinai Community Foundation

21 mi

Urology

6084 S ARCHER AVE, STE 202
Chicago, IL 60638

Reassigned Medicare billing, Illinois enrollment
646 clinicians in this Medicare group

NPI 1548640212 (773) 581-5888

Bonaventure Medical Foundation, LLC

35 mi

Family Medicine

701 BIESTERFIELD RD UNIT 4D
Elk Grove Village, IL 60007

Reassigned Medicare billing, Illinois enrollment
281 clinicians in this Medicare group

NPI 1588775647 (855) 692-6482

Prime Healthcare Illinois Medical Group LLC

37 mi

Multi-Specialty

2380 E DEMPSTER ST
Des Plaines, IL 60016

Reassigned Medicare billing, Illinois enrollment
443 clinicians in this Medicare group

NPI 1023837689 (833) 291-0464

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

33 services33 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

21 services20 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

12 services11 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Presence Saint Joseph Medical Center

Acute Care Hospitals · Joliet, IL

2/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140007

Location333 N Madison StJoliet, IL 60435 · Will County

Emergency services Birthing friendly

Mt Sinai Hospital Medical Center

Acute Care Hospitals · Chicago, IL

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140018

Location1500 S Fairfield AveChicago, IL 60608 · Cook County

Emergency services Birthing friendly

Morris Hospital & Healthcare Centers

Acute Care Hospitals · Morris, IL

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140101

Location150 W High StMorris, IL 60450 · Grundy County

Emergency services Birthing friendly

Presence St Marys Hospital

Acute Care Hospitals · Kankakee, IL

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140155

Location500 W Court StKankakee, IL 60901 · Kankakee County

Emergency services Birthing friendly

Alexian Brothers Medical Center 1

Acute Care Hospitals · Elk Grove Village, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140258

Location800 Biesterfield RdElk Grove Village, IL 60007 · Cook County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60448 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$93.02 typical visit price

range $59.81 – $181.38

Typical copayment $23.25 (range $14.95 – $45.34)

Most-billed visit code 99203

Established Patient

$105.07 typical visit price

range $19.15 – $147.12

Typical copayment $26.26 (range $4.78 – $36.78)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

NICOLE FITZGERALD FNP-BC

Nurse Practitioner