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Active NPI 1235851791 Individual Practitioner Female Practitioner

Shannon O'malley , APRN, CNP

Nurse Practitioner • Chicago, IL

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Shannon O'Malley, APRN, CNP is a certified Nurse Practitioner practicing in Chicago, IL. With approximately 4 years of clinical experience since completing medical education in 2022, Shannon O'Malley delivers high-quality medical care to the local community at 676 N SAINT CLAIR ST STE 701.

Shannon O'Malley is affiliated with Northwestern Medical Faculty Foundation and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's, established patient outpatient office visit, continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

676 N Saint Clair St Ste 701

Chicago, IL 606112996

Telephone 3126957970
Fax 3126954433

Medicare Profile & Education

Medical School

Other

Graduation Year

2022

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Nurse Practitioner in Chicago, IL

Rising Specialist (<5 Yrs)
Practitioner Clinical Experience
4 Yrs -4.9 yrs vs City Avg
City Avg: 8.9 Yrs
State Avg: 10.4 Yrs
Regional Practice Density
961 Specialists

Practicing in Chicago, IL (4929 Statewide)

Telehealth Adoption Rate
19.8% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. O'malley (4 Years) 4 Yrs
Chicago Specialty Average (8.9 Years) 8.9 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
G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's
222 185 $88.00 $14.30
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
172 153 $321.89 $110.54
95251 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report
106 86 $199.00 $29.61
99443 Telephone medical discussion with physician, 21-30 minutes
72 70 $250.00 $112.53
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more
70 61 $430.48 $157.16
83036 Hemoglobin A1C level
59 49 $69.00 $9.52
99213 Established patient office or other outpatient visit, typically 15 minutes
16 16 $219.00 $79.94

Medical Specialties & State Licenses

CMS Verified: 2026-04-03
Nurse Practitioner Primary Specialty

NUCC Taxonomy Code: 363L00000X

State License IL 209026146

(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.

Registered Nurse - Ambulatory Care

NUCC Taxonomy Code: 163WP2201X

State License IL 041.431593

Definition to come...

Hospital & Practice Group Affiliations

Northwestern Medical Faculty Foundation

676 N Saint Clair, Chicago, IL 606112927

Northwestern Medical Faculty Foundation

4732 N Lincoln Ave, Chicago, IL 606258561

Phone: 3129266000

Northwestern Medical Faculty Foundation

676 N Saint Clair St, Chicago, IL 606112927

Northwestern Medical Faculty Foundation

4732 N Lincoln Ave, Chicago, IL 606258561

Phone: 8474752273

Northwestern Medical Faculty Foundation

4445 W Irving Park Rd, Chicago, IL 606412808

Northwestern Medical Faculty Foundation

675 N St Clair, Chicago, IL 606115975

Northwestern Medical Faculty Foundation

1333 W Belmont Ave, Chicago, IL 606575785

Northwestern Medical Faculty Foundation

660 N Westmoreland Rd, Lake Forest, IL 600451673

Phone: 3129266146

Northwestern Medical Faculty Foundation

675 N Saint Clair St, Chicago, IL 606115975

Northwestern Medical Faculty Foundation

820 S Il Route 59, Bartlett, IL 601031694

Phone: 6302252663

Northwestern Medical Faculty Foundation

820 Route 59, Barlett, IL 601031694

Phone: 6302139600

Practice Associates & Co-Workers

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

35 Associated Practitioners
Dr. Deyger Navarrete , MD

Internal Medicine - Endocrinology, Diabetes & Metabolism

NPI 1023513025

Doctor of Medicine (M.D.)

Melanie Obrochta , LCSW

Social Worker - Clinical

NPI 1023858479

Licensed Clinical Social Worker

Dr. Ioannis Papagiannis , MD

Internal Medicine - Endocrinology, Diabetes & Metabolism

NPI 1043484561

Doctor of Medicine (M.D.)

Dr. Allison Hahr , MD

Internal Medicine - Endocrinology, Diabetes & Metabolism

NPI 1083774889

Doctor of Medicine (M.D.)

Dr. William Lowe , MD

Internal Medicine - Endocrinology, Diabetes & Metabolism

NPI 1093879652

Doctor of Medicine (M.D.)

Erica Tayaban

Nurse Practitioner - Family

NPI 1114269784

Career & Practice History Timeline

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

11 Historical Events
📍
Updated Practice Location April 03, 2026

Registered at 676 N SAINT CLAIR ST STE 701, CHICAGO, IL 606112996 (Tel: 3126957970)

📍
Updated Business Mailing Address April 03, 2026

Registered at 676 N SAINT CLAIR ST STE 701, CHICAGO, IL 606112996 (Tel: 3126957970)

📍
Updated Practice Location January 30, 2023

Registered at 675 N SAINT CLAIR ST STE 14-100, CHICAGO, IL 606115966 (Tel: 3126957970)

📍
Updated Business Mailing Address January 30, 2023

Registered at 675 N SAINT CLAIR ST STE 14-100, CHICAGO, IL 606115966 (Tel: 3126957970)

👤
Provider Name / Credentials Updated January 30, 2023

Recorded as SHANNON O'MALLEY, APRN, CNP

NPI Profile Active September 12, 2022

NPI status registered as active in NPPES database

📍
Updated Practice Location September 12, 2022

Registered at 201 E HURON ST, CHICAGO, IL 606113197 (Tel: 3129262000)

📍
Updated Business Mailing Address September 12, 2022

Registered at 345 E OHIO ST APT 3002, CHICAGO, IL 606114071 (Tel: 7084660199)

👤
Provider Name / Credentials Updated September 12, 2022

Recorded as SHANNON O'MALLEY, FNP

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) September 12, 2022

Registered Nurse (License #041.431593 in IL)

🟢
Initial NPI Registration & Enumeration September 12, 2022

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: 1235851791
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: September 12, 2022
Last Update: April 03, 2026
Sole Proprietor: No

Mailing Address

676 N Saint Clair St Ste 701

Chicago, IL 606112996

Phone: 3126957970

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.