Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1831295666 Individual Practitioner Male Practitioner

Dr. Mark A. Harrison , MD

Internal Medicine - Gastroenterology • Springfield, IL

Professional Overview & Biography Verified Profile Summary

Dr. Mark Harrison, MD is a registered healthcare professional specializing in Internal Medicine - Gastroenterology in Springfield, IL. Practice services are available at 1025 S 6TH ST under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

1025 S 6th St

Springfield, IL 627032403

Telephone 2175287541
Associated Practice Facility / Clinic
🏢 Springfield Clinic, Llp Facility NPI 1780638478

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine - Gastroenterology in Springfield, IL

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 25.4 Yrs
State Avg: 28.2 Yrs
Regional Practice Density
25 Specialists

Practicing in Springfield, IL (915 Statewide)

Telehealth Adoption Rate
4.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

Internal Medicine - Gastroenterology Primary Specialty

NUCC Taxonomy Code: 207RG0100X

State License IL 036-077012

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
036077012 (IL)

Practice Associates & Co-Workers

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

40 Associated Practitioners
Dr. Kaitlin Henry , MD

Family Medicine

NPI 1003136276

Doctor of Medicine (M.D.)

Sydney Lynch

Physician Assistant - Surgical

NPI 1003404864
Jeremy Elliott

Nurse Practitioner - Family

NPI 1003416546
Jessica Lee , APN

Nurse Practitioner - Family

NPI 1003461831

Advanced Practice Nurse

Julie Hart , PA-C

Physician Assistant

NPI 1003867342

Physician Assistant (Certified)

NPI 1003900739

Licensed Clinical Professional Counselor

Career & Practice History Timeline

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

6 Historical Events
NPI Profile Active August 20, 2008

NPI status registered as active in NPPES database

📍
Updated Practice Location August 20, 2008

Registered at 1025 S 6TH ST, SPRINGFIELD, IL 627032403 (Tel: 2175287541)

📍
Updated Business Mailing Address August 20, 2008

Registered at 1025 S 6TH ST, SPRINGFIELD, IL 627032403 (Tel: 2175287541)

👤
Provider Name / Credentials Updated August 20, 2008

Recorded as MARK HARRISON, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) August 20, 2008

Internal Medicine (License #036-077012 in IL)

🟢
Initial NPI Registration & Enumeration September 16, 2006

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: 1831295666
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: September 16, 2006
Last Update: August 20, 2008
Sole Proprietor: No

Mailing Address

1025 S 6th St

Springfield, IL 627032403

Phone: 2175287541

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.