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Active NPI 1801639596 Individual Practitioner Male Practitioner

Zachary Joesph Witges , AGNP

Nurse Practitioner • Alton, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Zachary Witges, AGNP is a certified Nurse Practitioner practicing in Alton, IL. With approximately 3 years of clinical experience since completing medical education in 2023, Zachary Witges delivers high-quality medical care to the local community at 4 MEMORIAL DR STE 230.

Zachary Witges is affiliated with Fairview Heights Medical Group Sc and accepts Medicare assignment.

Practice Location & Contact Primary Location

Practice Address

4 Memorial Dr Ste 230

Alton, IL 620026704

Telephone 6184637874
Fax 3149967658

Medicare Profile & Education

Medical School

Other

Graduation Year

2023

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Nurse Practitioner in Alton, IL

Rising Specialist (<5 Yrs)
Practitioner Clinical Experience
3 Yrs -5.7 yrs vs City Avg
City Avg: 8.7 Yrs
State Avg: 10.4 Yrs
Regional Practice Density
24 Specialists

Practicing in Alton, IL (4929 Statewide)

Telehealth Adoption Rate
20.8% 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. Witges (3 Years) 3 Yrs
Alton Specialty Average (8.7 Years) 8.7 Yrs

Medical Specialties & State Licenses

CMS Verified: 2025-09-19
Nurse Practitioner Primary Specialty

NUCC Taxonomy Code: 363L00000X

State License IL 209029825

(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 - Adult Health

NUCC Taxonomy Code: 363LA2200X

State License IL 209.029825

Definition to come...

Nurse Practitioner

NUCC Taxonomy Code: 363L00000X

State License MO 2024043178

(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.

Hospital & Practice Group Affiliations

Fairview Heights Medical Group Sc

11133 Dunn Rd, Saint Louis, MO 631366163

Phone: 3146535643

Fairview Heights Medical Group Sc

11133 Dunn Rd, Saint Louis, MO 631366163

Phone: 3146535643

Fairview Heights Medical Group Sc

11155 Dunn Rd, Saint Louis, MO 631366148

Phone: 3149538799

Fairview Heights Medical Group Sc

4 Memorial Dr, Alton, IL 620026704

Phone: 6184637833

Secondary Practice Locations

1225 Graham Rd Ste 1220b

Florissant, MO 630318012

Phone: 6184668666

Practice Associates & Co-Workers

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

13 Associated Practitioners
Dr. David Riedel , MD

Internal Medicine - Gastroenterology

NPI 1073505004

Doctor of Medicine (M.D.)

Dr. Concepcion Santillan , MD

Psychiatry & Neurology - Neurology

NPI 1083647408

Doctor of Medicine (M.D.)

Theresa Jones , RN, MSN, FNP-C

Nurse Practitioner - Acute Care

NPI 1235292319

Registered Nurse, Master of Science in Nursing, Family Nurse Practitioner (Certified)

Anne Kramer , NP

Nurse Practitioner

NPI 1326441478

Nurse Practitioner

Dr. Melissa Armstead , DNP

Nurse Practitioner

NPI 1326599911

Doctor of Nursing Practice

Cody Bilderback , FNP

Nurse Practitioner - Family

NPI 1467890657

Family Nurse Practitioner

Career & Practice History Timeline

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

10 Historical Events
🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) September 19, 2025

Nurse Practitioner (License #209.029825 in IL)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) January 03, 2025

Nurse Practitioner (License #2024043178 in MO)

📍
Updated Practice Location August 28, 2024

Registered at 4 MEMORIAL DR STE 230, ALTON, IL 620026704 (Tel: 6184637874)

📍
Updated Business Mailing Address August 28, 2024

Registered at PO BOX 959203, SAINT LOUIS, MO 631958512 (Tel: 6182342390)

NPI Profile Active June 18, 2024

NPI status registered as active in NPPES database

📍
Updated Practice Location June 18, 2024

Registered at 660 MASON RIDGE CENTER DR STE 300, SAINT LOUIS, MO 631418512 (Tel: 3144821217)

📍
Updated Business Mailing Address June 18, 2024

Registered at 660 MASON RIDGE CENTER DR STE 300, SAINT LOUIS, MO 631418512 (Tel: 3144821217)

👤
Provider Name / Credentials Updated June 18, 2024

Recorded as ZACHARY WITGES, AGNP

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 18, 2024

Nurse Practitioner (License #209.029825 in IL)

🟢
Initial NPI Registration & Enumeration June 18, 2024

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: 1801639596
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 18, 2024
Last Update: September 19, 2025
Sole Proprietor: No

Mailing Address

Po Box 959203

Saint Louis, MO 631958512

Phone: 6182342390

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.