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Active NPI 1891443289 Individual Practitioner Female Practitioner

Rachael Demattei , APRN

Nurse Practitioner • O Fallon, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Rachael Demattei, APRN is a certified Nurse Practitioner practicing in O Fallon, IL. With approximately 4 years of clinical experience since graduating from Southern Illinois University School Of Medicine in 2022, Rachael Demattei delivers high-quality medical care to the local community at 321 REGENCY PARK STE 100.

Rachael Demattei is affiliated with Cancer Care Specialists Of Central Illinois Sc and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, 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, insertion of needle into vein for collection of blood sample. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

321 Regency Park Ste 100

O Fallon, IL 622691887

Telephone 6184167970
Fax 6184167971

Medicare Profile & Education

Medical School

Southern Illinois University School Of Medicine

Graduation Year

2022

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Nurse Practitioner in O Fallon, IL

Rising Specialist (<5 Yrs)
Practitioner Clinical Experience
4 Yrs -4.5 yrs vs City Avg
City Avg: 8.5 Yrs
State Avg: 10.4 Yrs
Regional Practice Density
19 Specialists

Practicing in O Fallon, IL (4929 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
51.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Demattei (4 Years) 4 Yrs
O Fallon Specialty Average (8.5 Years) 8.5 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
42 38 $250.00 $124.48
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
21 20 $32.00 $16.15
36415 Insertion of needle into vein for collection of blood sample
15 14 $24.00 $8.65

Medical Specialties & State Licenses

CMS Verified: 2023-10-16
Nurse Practitioner Primary Specialty

NUCC Taxonomy Code: 363L00000X

State License IL 209027937

(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

NUCC Taxonomy Code: 163W00000X

State License IL 041495134

(1) A registered nurse is a person qualified by graduation from an accredited nursing school (depending upon schooling, a registered nurse may receive either a diploma from a hospital program, an associate degree in nursing (A.D.N.) or a Bachelor of Science degree in nursing (B.S.N.), who is licensed or certified by the state, and is practicing within the scope of that license or certification. R.N.'s assist patient in recovering and maintaining their physical or mental health. They assist physicians during treatments and examinations and administer medications. (2) A provider who is trained and educated in a formal nursing education program at an accredited school of nursing, passes a national certification examination, and is licensed by the state to practice nursing. The individual provides nursing services to patients or clients in areas such as health promotion, disease prevention, acute and chronic care and restoration and maintenance of health across the life span.

Registered Nurse

NUCC Taxonomy Code: 163W00000X

State License MO 2017003138

(1) A registered nurse is a person qualified by graduation from an accredited nursing school (depending upon schooling, a registered nurse may receive either a diploma from a hospital program, an associate degree in nursing (A.D.N.) or a Bachelor of Science degree in nursing (B.S.N.), who is licensed or certified by the state, and is practicing within the scope of that license or certification. R.N.'s assist patient in recovering and maintaining their physical or mental health. They assist physicians during treatments and examinations and administer medications. (2) A provider who is trained and educated in a formal nursing education program at an accredited school of nursing, passes a national certification examination, and is licensed by the state to practice nursing. The individual provides nursing services to patients or clients in areas such as health promotion, disease prevention, acute and chronic care and restoration and maintenance of health across the life span.

Hospital & Practice Group Affiliations

Cancer Care Specialists Of Central Illinois Sc

321 Regency Park, O Fallon, IL 622691887

Phone: 6184167970

Secondary Practice Locations

Broadway Plaza Ste 1

Sparta, IL 622861800

Phone: 6184167970

2100 Madison Ave

Granite City, IL 620404713

Phone: 2527446478

9515 Holy Cross Ln Ste 6

Breese, IL 622303618

Phone: 6184167970

12860 Troxler Ave Ste 135

Highland, IL 622492898

Phone: 6184167970

Practice Associates & Co-Workers

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

10 Associated Practitioners
NPI 1013533819

Doctor of Nursing Practice, Family Nurse Practitioner (Board Certified)

Dr. Julianne Tomac , DNP, FNP-C

Nurse Practitioner - Family

NPI 1245018944

Doctor of Nursing Practice, Family Nurse Practitioner (Certified)

Dr. Mark Walshauser , MD

Internal Medicine - Hematology & Oncology

NPI 1306020664

Doctor of Medicine (M.D.)

Dr. Bachir Farah , MD

Internal Medicine - Hematology & Oncology

NPI 1336370915

Doctor of Medicine (M.D.)

Dr. Justin Floyd , DO

Internal Medicine - Medical Oncology

NPI 1629164678

Doctor of Osteopathic Medicine (D.O.)

Dr. Bassam Maalouf , MD

Internal Medicine - Hematology & Oncology

NPI 1720173438

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

9 Historical Events
📍
Updated Practice Location October 17, 2023

Registered at 321 REGENCY PARK STE 100, O FALLON, IL 622691887 (Tel: 6184167970)

📍
Updated Business Mailing Address October 17, 2023

Registered at PO BOX 25228, DECATUR, IL 625255228 (Tel: 2173293232)

👤
Provider Name / Credentials Updated October 17, 2023

Recorded as RACHAEL DEMATTEI, APRN

NPI Profile Active March 15, 2022

NPI status registered as active in NPPES database

📍
Updated Practice Location March 15, 2022

Registered at 2100 MADISON AVE, GRANITE CITY, IL 620404713 (Tel: 2527446478)

📍
Updated Business Mailing Address March 15, 2022

Registered at 2100 MADISON AVE, GRANITE CITY, IL 620404713 (Tel: 2527446478)

👤
Provider Name / Credentials Updated March 15, 2022

Recorded as RACHAEL SCHAEFER, APRN

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 15, 2022

Registered Nurse (License #041495134 in IL)

🟢
Initial NPI Registration & Enumeration March 15, 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: 1891443289
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 15, 2022
Last Update: October 17, 2023
Sole Proprietor: No

Mailing Address

Po Box 25228

Decatur, IL 625255228

Phone: 2173293232

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.