Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1649246729 Individual Practitioner Female Practitioner

Dr. Mary Frances King , MD

Internal Medicine • Naperville, IL

Professional Overview & Biography Verified Profile Summary

Dr. Mary King, MD is a registered healthcare professional specializing in Internal Medicine in Naperville, IL. Practice services are available at 1020 E OGDEN AVE under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

1020 E Ogden Ave
Ste 115

Naperville, IL 605638609

Telephone 6307178707
Associated Practice Facility / Clinic
🏢 S.k.pharmacy Inc. Facility NPI 1316048556

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Naperville, IL

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 27.5 Yrs
State Avg: 28.9 Yrs
Regional Practice Density
78 Specialists

Practicing in Naperville, IL (7544 Statewide)

Telehealth Adoption Rate
50.0% 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 Primary Specialty

NUCC Taxonomy Code: 207R00000X

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.

Practice Associates & Co-Workers

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

10 Associated Practitioners
NPI 1124282546

Doctor of Medicine (M.D.)

Dr. Siya Nedumgottil , MD

Internal Medicine

NPI 1194037382

Doctor of Medicine (M.D.)

NPI 1265400972

Doctor of Medicine (M.D.)

Dr. Asima Doriwala , MD

Internal Medicine

NPI 1407146640

Doctor of Medicine (M.D.)

Dr. Kenneth Vercelli , MD

Internal Medicine

NPI 1447210075

Doctor of Medicine (M.D.)

NPI 1740258581

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 July 08, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location July 08, 2007

Registered at 1020 E OGDEN AVE, STE 115, NAPERVILLE, IL 605638609 (Tel: 6307178707)

📍
Updated Business Mailing Address July 08, 2007

Registered at 1860 PAYSPHERE CIR, CHICAGO, IL 606740018 (Tel: 6304699200)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as MARY KING, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Internal Medicine

🟢
Initial NPI Registration & Enumeration February 27, 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: 1649246729
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: February 27, 2006
Last Update: July 13, 2026
Sole Proprietor: No

Mailing Address

1860 Paysphere Cir

Chicago, IL 606740018

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.