Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1194287870 Individual Practitioner Male Practitioner

Dr. David Saliba Rayan , DO

Internal Medicine • Schaumburg, IL

Professional Overview & Biography Verified Profile Summary

Dr. David Rayan, DO is a registered healthcare professional specializing in Internal Medicine in Schaumburg, IL. Practice services are available at 804 E WOODFIELD RD STE 300 under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

804 E Woodfield Rd Ste 300

Schaumburg, IL 601734776

Telephone 8476059500
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Schaumburg, IL

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 28.1 Yrs
State Avg: 28.9 Yrs
Regional Practice Density
28 Specialists

Practicing in Schaumburg, IL (7544 Statewide)

Telehealth Adoption Rate
32.1% 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: 2026-07-20
Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License WI 7435221

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.

Internal Medicine - Cardiovascular Disease

NUCC Taxonomy Code: 207RC0000X

State License IL 036180992

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

Internal Medicine - Interventional Cardiology

NUCC Taxonomy Code: 207RI0011X

State License IL 036180992

An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system.

Internal Medicine

NUCC Taxonomy Code: 207R00000X

State License IL 036180992

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.

Student in an Organized Health Care Education/Training Program

NUCC Taxonomy Code: 390200000X

An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

Internal Medicine - Cardiovascular Disease

NUCC Taxonomy Code: 207RC0000X

State License WI 7435221

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
100135014 (WI)

Secondary Practice Locations

2900 W Oklahoma Ave

Milwaukee, WI 532154330

Phone: 4146496000

Practice Associates & Co-Workers

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

23 Associated Practitioners
Mary Wirth

Nurse Practitioner - Gerontology

NPI 1164395562
Dr. Solomon Sager , MD

Internal Medicine - Clinical Cardiac Electrophysiology

NPI 1164629945

Doctor of Medicine (M.D.)

Dr. Raffay Khan , MD

Internal Medicine - Clinical Cardiac Electrophysiology

NPI 1194052829

Doctor of Medicine (M.D.)

Dr. Pablo Soto , MD

Internal Medicine - Cardiovascular Disease

NPI 1225054463

Doctor of Medicine (M.D.)

Grace Jeong

Nurse Practitioner - Family

NPI 1366273765
Sobha Kottoor , MSN, FNP-C

Nurse Practitioner - Family

NPI 1457743510

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

Career & Practice History Timeline

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

12 Historical Events
📍
Updated Practice Location July 20, 2026

Registered at 804 E WOODFIELD RD STE 300, SCHAUMBURG, IL 601734776 (Tel: 8476059500)

📍
Updated Business Mailing Address July 20, 2026

Registered at PO BOX 735044, CHICAGO, IL 606735044 (Tel: 4143255244)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 20, 2026

Internal Medicine (License #036180992 in IL)

📍
Updated Business Mailing Address May 08, 2023

Registered at PO BOX 735044, CHICAOG, IL 606735044 (Tel: 4143255244)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) May 08, 2023

Internal Medicine (License #7435221 in WI)

📍
Updated Practice Location July 05, 2022

Registered at 2900 W OKLAHOMA AVE, MILWAUKEE, WI 532154330 (Tel: 4146496000)

NPI Profile Active April 02, 2019

NPI status registered as active in NPPES database

📍
Updated Practice Location April 02, 2019

Registered at 8701 W WATERTOWN PLANK RD, MILWAUKEE, WI 532263548 (Tel: 4149554575)

📍
Updated Business Mailing Address April 02, 2019

Registered at 8701 W WATERTOWN PLANK RD, MILWAUKEE, WI 532263548 (Tel: 4149554575)

👤
Provider Name / Credentials Updated April 02, 2019

Recorded as DAVID RAYAN, DO

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 02, 2019

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration April 02, 2019

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews
No patient reviews submitted yet for Dr. David Rayan. Be the first to share your experience!

Sign in to leave a review for Dr. David Rayan

Only verified registered users can submit ratings, post feedback, and upload facility photos.

NPI Administrative Meta

NPI Number: 1194287870
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: April 02, 2019
Last Update: July 20, 2026
Sole Proprietor: No

Mailing Address

Po Box 735044

Chicago, IL 606735044

Phone: 4143255244

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.