Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1518768936 Individual Practitioner Male Practitioner

Ashwin Narayanan

Internal Medicine • Berwyn, IL

Professional Overview & Biography Verified Profile Summary

Ashwin Narayanan is a registered healthcare professional specializing in Internal Medicine in Berwyn, IL. Practice services are available at 3249 OAK PARK AVE under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

3249 Oak Park Ave

Berwyn, IL 604020715

Telephone 7087833425
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Berwyn, IL

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 25.0 Yrs
State Avg: 28.9 Yrs
Regional Practice Density
69 Specialists

Practicing in Berwyn, IL (7544 Statewide)

Telehealth Adoption Rate
4.3% 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

CMS Verified: 2026-06-08
Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License IL 125.088167

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

9 Associated Practitioners
Dr. Canaan Kerr , MD MS

Internal Medicine

NPI 1114712429

MDMS

Saira Alvi , BA

Student in an Organized Health Care Education/Training Program

NPI 1134067960

Bachelor of Arts

Dr. Carl Pfaehler , MD

Internal Medicine

NPI 1245024397

Doctor of Medicine (M.D.)

NPI 1447198221

Doctor of Medicine (M.D.)

Dr. Insup Hong , MD

Internal Medicine

NPI 1588479968

Doctor of Medicine (M.D.)

Dr. Eustacia Ikeri , MD

Internal Medicine

NPI 1598512717

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 June 08, 2026

Registered at 3249 OAK PARK AVE, BERWYN, IL 604020715 (Tel: 7087833425)

📍
Updated Business Mailing Address June 08, 2026

Registered at 3249 OAK PARK AVE, BERWYN, IL 604020715 (Tel: 7087833425)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 08, 2026

Internal Medicine (License #125.088167 in IL)

NPI Profile Active March 21, 2025

NPI status registered as active in NPPES database

📍
Updated Practice Location March 21, 2025

Registered at 3333 GREEN BAY RD, NORTH CHICAGO, IL 600643037 (Tel: 8475783000)

📍
Updated Business Mailing Address March 21, 2025

Registered at 3333 GREEN BAY RD, NORTH CHICAGO, IL 600643037

👤
Provider Name / Credentials Updated March 21, 2025

Recorded as ASHWIN NARAYANAN

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 21, 2025

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration March 21, 2025

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: 1518768936
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 21, 2025
Last Update: June 08, 2026
Sole Proprietor: Yes

Mailing Address

3249 Oak Park Ave

Berwyn, IL 604020715

Phone: 7087833425

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.