Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1811138944 Individual Practitioner Female Practitioner

Mary E Wassilak , WHNP-BC

Nurse Practitioner • Geneva, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Mary Wassilak, WHNP-BC is a certified Nurse Practitioner practicing in Geneva, IL. With approximately 19 years of clinical experience since graduating from University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb) in 2007, Mary Wassilak delivers high-quality medical care to the local community at 351 DELNOR DR STE 204.

Mary Wassilak is affiliated with Central Dupage Physician Group and accepts Medicare assignment.

Practice Location & Contact Primary Location

Practice Address

351 Delnor Dr Ste 204

Geneva, IL 601344226

Telephone 6302080784
Fax 6309389190

Medicare Profile & Education

Medical School

University Of Illinois College Of Med (Chi/peor/rock/chm-Urb)

Graduation Year

2007

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Nurse Practitioner in Geneva, IL

Established Specialist (10-20 Yrs)
Practitioner Clinical Experience
19 Yrs +7.6 yrs vs City Avg
City Avg: 11.4 Yrs
State Avg: 10.4 Yrs
Regional Practice Density
35 Specialists

Practicing in Geneva, IL (4929 Statewide)

Telehealth Adoption Rate
22.9% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Wassilak (19 Years) 19 Yrs
Geneva Specialty Average (11.4 Years) 11.4 Yrs

Medical Specialties & State Licenses

CMS Verified: 2023-10-06
Nurse Practitioner Primary Specialty

NUCC Taxonomy Code: 363L00000X

State License IL 209006774

(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 - Women's Health

NUCC Taxonomy Code: 363LW0102X

State License IL 209.006774

Definition to come...

Nurse Practitioner - Obstetrics & Gynecology

NUCC Taxonomy Code: 363LX0001X

State License IL 209006774

Definition to come...

Hospital & Practice Group Affiliations

Central Dupage Physician Group

351 Delnor Dr, Geneva, IL 601344222

Phone: 6309239600

Secondary Practice Locations

680 N Lake Shore Dr, Suite 824

Chicago, IL 606114546

Phone: 3129433300

Practice Associates & Co-Workers

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

8 Associated Practitioners
Dr. Donald Adeli , MD

Obstetrics & Gynecology

NPI 1114928397

Doctor of Medicine (M.D.)

Dr. Michael Larry , MD

Obstetrics & Gynecology

NPI 1164433348

Doctor of Medicine (M.D.)

Dr. Deborah Hay , MD

Obstetrics & Gynecology

NPI 1235140492

Doctor of Medicine (M.D.)

Dr. Phyllis Chang , MD

Obstetrics & Gynecology - Obstetrics

NPI 1265654735

Doctor of Medicine (M.D.)

Dr. Aprilee Gostomski , MD

Obstetrics & Gynecology - Obstetrics

NPI 1457872400

Doctor of Medicine (M.D.)

Dr. Maliha Sayla , MD

Obstetrics & Gynecology

NPI 1699099648

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

8 Historical Events
📍
Updated Practice Location October 06, 2023

Registered at 351 DELNOR DR STE 204, GENEVA, IL 601344226 (Tel: 6302080784)

📍
Updated Business Mailing Address October 06, 2023

Registered at 351 DELNOR DR STE 204, GENEVA, IL 601344226 (Tel: 6302080784)

NPI Profile Active March 19, 2009

NPI status registered as active in NPPES database

📍
Updated Practice Location March 19, 2009

Registered at 680 N LAKE SHORE DR, SUITE 824, CHICAGO, IL 606114546 (Tel: 3129433300)

📍
Updated Business Mailing Address March 19, 2009

Registered at 680 N LAKE SHORE DR, SUITE 824, CHICAGO, IL 606114546 (Tel: 3129433300)

👤
Provider Name / Credentials Updated March 19, 2009

Recorded as MARY WASSILAK, WHNP-BC

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 19, 2009

Nurse Practitioner (License #209.006774 in IL)

🟢
Initial NPI Registration & Enumeration March 19, 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: 1811138944
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 19, 2009
Last Update: October 06, 2023
Sole Proprietor: No

Mailing Address

351 Delnor Dr Ste 204

Geneva, IL 601344226

Phone: 6302080784

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.