Active NPI 1265768352 Individual Practitioner Female Practitioner

Colleen M Grandowski , ACNP

Nurse Practitioner • Mokena, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Colleen Grandowski, ACNP is a certified Nurse Practitioner practicing in Mokena, IL. With approximately 17 years of clinical experience since graduating from Loyola University Of Chicago, Stritch School Of Medicine in 2009, Colleen Grandowski delivers high-quality medical care to the local community at 21202 OWENS RD STE 101.

Colleen Grandowski maintains professional affiliations with Prime Healthcare Illinois Medical Group Llc, Mount Sinai Community Foundation and accepts Medicare assignment.

Frequently performed procedures and clinical services include new patient outpatient office visit, established patient outpatient office visit, subsequent hospital care with moderate levelof medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

21202 Owens Rd Ste 101

Mokena, IL 604482001

Telephone 7793340030

Fax 7793340031

Medicare Profile & Education

Medical School

Loyola University Of Chicago, Stritch School Of Medicine

Graduation Year

2009

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Nurse Practitioner in Mokena, IL

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

17 Yrs +8.0 yrs vs City Avg

City Avg: 9.0 Yrs

State Avg: 10.4 Yrs

Regional Practice Density

25 Specialists

Practicing in Mokena, IL (4929 Statewide)

Telehealth Adoption Rate

52.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

54.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Grandowski (17 Years) 17 Yrs

Mokena Specialty Average (9.0 Years) 9.0 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	33	33	$356.00	$146.80
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	21	20	$228.61	$112.15
99213 Established patient office or other outpatient visit, typically 15 minutes	12	11	$154.80	$79.14

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	11	11	$334.43	$157.90

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	17	17	$356.00	$149.91
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	17	17	$228.82	$114.69
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	14	14	$449.00	$199.40

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	73	44	$161.56	$63.89

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	216	118	$161.06	$65.54
99221 Initial hospital inpatient care per day, typically 30 minutes	46	46	$223.00	$93.58
99231 Follow-up hospital inpatient care per day, typically 15 minutes	24	21	$86.00	$35.99
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	16	16	$297.00	$119.94
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	12	12	$439.00	$185.67

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	221	138	$176.97	$65.20
99221 Initial hospital inpatient care per day, typically 30 minutes	47	47	$254.83	$92.13
99231 Follow-up hospital inpatient care per day, typically 15 minutes	37	33	$95.24	$34.57
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	28	20	$243.43	$90.82
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	27	27	$325.44	$123.59
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	15	15	$474.20	$182.02

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	42	24	$186.00	$63.85

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	57	49	$186.00	$64.25
99231 Follow-up hospital inpatient care per day, typically 15 minutes	46	42	$104.00	$35.14
99221 Initial hospital inpatient care per day, typically 30 minutes	17	17	$267.00	$91.57

Medical Specialties & State Licenses

CMS Verified: 2021-12-08

Nurse Practitioner Primary Specialty

NUCC Taxonomy Code: 363L00000X

State License IL 277000793

(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.

Nurse Practitioner - Acute Care

NUCC Taxonomy Code: 363LA2100X

State License IL 209007785

Definition to come...

Additional State Medicaid & Healthcare Payer Identifiers

Commercial Insurance / Payer ID American Nurses Credentialing Center

2009006540 (IL)

Hospital & Practice Group Affiliations

Prime Healthcare Illinois Medical Group Llc

201 N Hammes Ave, Joliet, IL 604356611

Phone: 2242736350

Mount Sinai Community Foundation

1859 S Blue Island Ave, Chicago, IL 606083012

Phone: 3127383111

Mount Sinai Community Foundation

1401 S California Ave, Chicago, IL 606081858

Phone: 7735226656

Mount Sinai Community Foundation

California Ave At 15th St, Chicago, IL 606081858

Phone: 7735422000

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

8 Associated Practitioners

Nicole Fitzgerald , FNP-BC

Nurse Practitioner

NPI 1174012454

Family Nurse Practitioner (Board Certified)

Anthony Hasson , FNP-BC

Nurse Practitioner

NPI 1235615279

Family Nurse Practitioner (Board Certified)

Nichole Dimaria , FNP

Nurse Practitioner

NPI 1336675610

Family Nurse Practitioner

Cristal Reider , APRN, CNP

Nurse Practitioner

NPI 1427650464

Advanced Practice Registered Nurse, Certified Nurse Practitioner

Jessica Bara , APRN, CNP

Nurse Practitioner

NPI 1457698961

Advanced Practice Registered Nurse, Certified Nurse Practitioner

Francisco Acevedo , APRN, CNP

Nurse Practitioner

NPI 1467446930

Advanced Practice Registered Nurse, Certified Nurse Practitioner

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

8 Historical Events

📍

Updated Practice Location January 17, 2022

Registered at 21202 OWENS RD STE 101, MOKENA, IL 604482001 (Tel: 7793340030)

📍

Updated Business Mailing Address January 17, 2022

Registered at 21202 OWENS RD STE 101, MOKENA, IL 604482001 (Tel: 7793340030)

✅

NPI Profile Active July 17, 2015

NPI status registered as active in NPPES database

📍

Updated Practice Location July 17, 2015

Registered at 301 MADISON ST 300, JOLIET, IL 604356549 (Tel: 8157254367)

📍

Updated Business Mailing Address July 17, 2015

Registered at 301 MADISON ST 300, JOLIET, IL 604356549 (Tel: 8157254367)

👤

Provider Name / Credentials Updated July 17, 2015

Recorded as COLLEEN GRANDOWSKI, ACNP

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 17, 2015

Nurse Practitioner (License #209007785 in IL)

🟢

Initial NPI Registration & Enumeration October 23, 2009

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1265768352

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: October 23, 2009

Last Update: January 17, 2022

Sole Proprietor: No

Update or Correct Profile

Mailing Address

21202 Owens Rd Ste 101

Mokena, IL 604482001

Phone: 7793340030

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.