Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1043202054 Individual Practitioner Male Practitioner

Dr. Thomas E. Marshall , MD

Internal Medicine • Glen Ellyn, IL

Professional Overview & Biography Verified Profile Summary

Dr. Thomas Marshall, MD is a registered healthcare professional specializing in Internal Medicine in Glen Ellyn, IL. Practice services are available at 430 PENNSYLVANIA AVE under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

430 Pennsylvania Ave
Ste 310

Glen Ellyn, IL 601374464

Telephone 6307901792
Associated Practice Facility / Clinic
🏢 Dupage Medical Group, Ltd. Facility NPI 1841435369

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Glen Ellyn, IL

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 21.4 Yrs
State Avg: 28.9 Yrs
Regional Practice Density
18 Specialists

Practicing in Glen Ellyn, IL (7544 Statewide)

Telehealth Adoption Rate
66.7% 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 Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License IL 036059776

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
036059776 (IL)

Practice Associates & Co-Workers

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

7 Associated Practitioners
Dr. Leena Patel , MD

Internal Medicine

NPI 1114242302

Doctor of Medicine (M.D.)

Dr. Magdalena Hope , MD

Internal Medicine

NPI 1114246782

Doctor of Medicine (M.D.)

Dr. Christina Huynh , MD

Internal Medicine

NPI 1144584988

Doctor of Medicine (M.D.)

Dr. Ashruta Patel , MD

Internal Medicine

NPI 1164451696

Doctor of Medicine (M.D.)

Dr. Rita Herzing , MD

Internal Medicine

NPI 1316103559

Doctor of Medicine (M.D.)

Dr. Norman Decker , MD

Internal Medicine

NPI 1336534650

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

6 Historical Events
NPI Profile Active August 10, 2011

NPI status registered as active in NPPES database

📍
Updated Practice Location August 10, 2011

Registered at 430 PENNSYLVANIA AVE, STE 310, GLEN ELLYN, IL 601374464 (Tel: 6307901792)

📍
Updated Business Mailing Address August 10, 2011

Registered at 1860 PAYSPHERE CIR, CHICAGO, IL 606740001 (Tel: 6304699200)

👤
Provider Name / Credentials Updated August 10, 2011

Recorded as THOMAS MARSHALL, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) August 10, 2011

Internal Medicine (License #036059776 in IL)

🟢
Initial NPI Registration & Enumeration August 16, 2005

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: 1043202054
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: August 16, 2005
Last Update: August 10, 2011
Sole Proprietor: No

Mailing Address

1860 Paysphere Cir

Chicago, IL 606740001

Phone: 6304699200

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.